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  • Offer Profile
  • Since the 1970s, Micro Sensor Co., Ltd has engaged in the research and development of pressure sensors and transmitters designed around piezoresistive measurement principles. Using its rich experience, Micro Sensor Co., Ltd can offer tailored solutions for different applications across a wide range of industries. We have provided intelligent systems to sectors as diverse as industrial automation, hybrid and electric vehicles, oil and gas, marine, energy and utilities, communications, and many others.

    Micro Sensor GmbH, based in Essen Germany, is a 100% subsidiary of Micro Sensor Co., Ltd in China and supports Western European customers with local sales and service so that customers can achieve their success goals in a qualitative and cost-effective manner.

Product Portfolio
  • Pressure sensors and transmitters

      • Pressure Sensors

      • With over 40 years of experience in designing and manufacturing oil-filled pressure sensors, Micro Sensor offers a wide range of pressure sensors with gauge, absolute, and differential pressure. Our pressure sensors offer different diameters, ranges from 0.07bar to 1000bar (vacuum is available), materials as SS316L, Titanium, Tantalum, and Hastelloy C, etc.

        Pressure Measurement in Oil and Gas
        In oil and gas applications, pressure sensors are used widely which nearly involved all kinds of pressure types in the process of measuring, such as gauge, absolute, differential pressure, high pressure, and micro differential pressure, etc. Our engineers are well-experienced in this application, they know the challenges and complexities of oil and gas processes clearly in real life, put our technology into the applications to provide pressure measuring solutions for customers to ensure the process and product safety.

        Pressure Measurement in Food
        The risk of contamination and easily cleaning in the operation exists in every food and beverage product in common. Each can, bottle, bag, or box that leaves your factory has to be wholesome, safe, and meet strict regulatory standards. Your reputation and profitability depend on it. In the whole operations, it is critical that processes shall run efficiently and all controls and procedures shall be in place. The accurate and reliable pressure sensing instrumentation will be needed whenever you are measuring levels in a fermentation tank, discharge pressure from a diaphragm pump.

        Micro Sensor is concentrating on sanitation like your application for more than 50 years. Our engineers strive to work out the most suitable sensing solutions to keep your production efficient. For this specialized industry, Micro Sensor also has the approved technology to make sure operations in food and beverage could run efficiently and productively.

        Moreover, Micro Sensor has our own professional R&D team so that we are capable to offer customers customized products with your unique requirements. If you have any suggestions, leave a comment below and our sales engineer will reply you within 24 hours.

          • MPM280 - Piezoresistive Pressure Sensor

            • Pressure Range: 0kPa ~ 35kPa…100MPa
            • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
            • Diameter: Φ19mm
            • Height: 15mm
            • Non-Linearity (Typ.): ±0.15%FS

            Used For

            Piezoresistive pressure sensor MPM280 is a silicon oil-diffused type pressure sensing element. It is fully stainless steel constructed with ranging from 0.2 bar to 1000 bar. With long-term stability, constant voltage, and current supply, the pressure sensor is suitable for fluid pressure measurements, such as for air, water, gas, or oil.

            MPM280 pressure sensor has a robust housing made of stainless steel, 316L, giving them optimum long-term stability for a range of OEM applications. The stainless steel 316L corrugated diaphragm is welded on the front, separating off the pressure sensing chip, which is made of silicon, from the measuring medium. Every sensor is measured over the entire pressure and temperature datasheet and is supplied with specification label.

          • MPM281 - High Stable Pressure Sensor

            • Pressure Range: 0~20kPa…100MPa
            • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
            • Diameter: Φ19mm
            • Height: 11.5mm
            • Non-Linearity (Typ.): ±0.15%FS

            Used For

            High stable pressure sensor MPM281 has a stability error of ±0.1 % FS/year. It outputs an mV signal within a wide range of 1 psi to 15000 psi for OEM application. The pressure sensor is with Φ 19x11.5 mm construction with -10~80℃ temperature compensated, suitable for fluids pressure measurements, such as air, water, gas, and oil.

            MPM281 pressure sensor has a high stable sensing chip made of silicon, robust housing made of stainless steel, and a corrugated diaphragm made of stainless steel 316L. The diaphragm is welded on the front for sensing the media to output an mV signal within a wide range of 1psi to 15000psi for OEM application. The compensated temperature -10~80℃ give them optimum long-term stability. The Φ19mm diameter makes it available for general application.

          • MPM283 - High Pressure Range Pressure Sensor

            • Pressure Range: 0kPa~200kPa…100MPa
            • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
            • Diameter: Φ16.8mm
            • Height: 12mm
            • Non-Linearity (Typ.): ±0.15%FS

            Used For

            Piezoresistive pressure sensor MPM283I type has a welding ring applicable for the customer for further fabrication based on their specific requirements. It has very wide ranges from 7 bar to 1000 bar for different media. The pressure sensor is with Φ 16.8x12 mm construction and custom design available. Applied for fluids pressure measurement, such as air, water, gas, oil etc.

            MPM283I pressure sensor has a welding ring which is applicable for the customer for further fabrication based on their specific requirements. It has very wide ranges from 7bar to 1000bar for different media. With -10~80℃ compensation, it is useable for various applications environment.

          • MPM285 - Oil-filled Pressure Sensor

            • Pressure Range: 0kPa~100kPa…3.5MPa
            • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
            • Diameter: Φ15mm
            • Height: 10.5mm
            • Non-Linearity (Typ.): ±0.20%FS

            Used For

            Oil-filled pressure sensor MPM285 utilizes silicon die with very stable performance. It has a small compact size with Φ 15×10.5 mm dimension. It is widely used for pressure measurement of media compatible with stainless steel and Viton, especially the working site with limited installation space. Applied for fluids pressure measurement, such as air, water, gas, oil etc.

            MPM285 pressure sensor utilizes silicon die with very stable performance, a stainless steel 316L corrugated diaphragm and a robust stainless steel 316L housing. With mature mass production technics and experienced operators, stable long-term stability and performance are ensured. The compact construction and size are suitable and applicable for many applications.

          • MPM286 - Small Size Pressure Sensor

            • Pressure Range: 0kPa~20kPa...3.5MPa
            • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
            • Diameter: Φ19mm
            • Height: 6.5mm
            • Non-Linearity (Typ.): ±0.15%FS

            Used For

            Small size pressure sensor MPM286 is with Φ 19×6.5 mm outline construction. It is constant current/voltage power supplied and outputs an mV signal. The pressure sensor has laser trimming for temperature compensation and a wide range from 0.2 bar to 35 bar, suitable for fluid pressure measurement applications, such as air, water, gas, oil, etc.

            MPM286 pressure sensor applies a fine piezoresistive pressure sensing chip, a corrugated diaphragm of stainless steel 316L and a robust stainless steel housing to output an mV signal for users to amplify into a standard analogue or digital signal very conveniently. With height 6.5mm, it is applicable for the environments which have strict requirements for dimensions.

          • MPM287 - Piezoresistive Pressure Sensor

            • Pressure Range: 0kPa~100kPa...3.5MPa
            • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
            • Diameter: Φ17mm
            • Height: 9mm
            • Non-Linearity (Typ.): ±0.20%FS

            Used For

            Piezoresistive pressure sensor MPM287 is made of a precise pressure sensing die, a corrugated stainless steel 316 L diaphragm, and a stainless steel housing with silicone oil-filled inside to transfer the pressure of measured media to the sensing die and output an mV output. It is widely used for general fluid pressure measurement such as gas, water, oil, etc.

            MPM287 pressure sensor is made of a precise pressure sensing die, a corrugated stainless steel 316L diaphragm and a stainless steel housing with silicone oil-filled inside to transfer the pressure of measured media to the sensing die and output an mV output. It is widely used for general fluid pressure measurement such as gas, water, oil etc.

        • Differential Pressure Sensors

        • Differential Pressure Sensor from 350 mbar to 35 bar is an OEM silicon pressure sensor based on piezoresistive principle. It has optional outer resistors temperature compensation and all welding constructions, possible for various fluid media. Differential pressure sensors can be widely used in the industrial process control field etc., for differential pressure measurement.
            • MDM290 - Differential Pressure Sensor

              • Pressure Range: 0kPa ~ 35kPa…3.5MPa
              • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
              • Diameter: Φ19mm
              • Height: 26mm
              • Non-Linearity (Typ.): ±0.15%FS
              • Other Options: DP Sensor

              Used For

              Differential pressure sensor MDM290 is temperature compensated with Outer Resistors and has a laser-trimmed thick-film circuit board. The differential pressure sensor is in 19 mm diaphragm and 26 mm height. It has integrated construction, high static pressure, high stability, and good reliability. An isolated diaphragm protects the high and low-pressure sides, can be used for measuring corrosive and conductive fluid media.

              MDM290 differential pressure sensor is a piezoresistive silicon pressure sensor, with the OD19mm diaphragm and 26mm height and packaged in a stainless steel housing. Outer resistors and laser trimmed circuit board temperature compensated are optional. The standard or customized in various mechanical and electrical configurations are available.

            • MDM291 - Water Differential Pressure Sensor

              • Pressure Range: 0kPa~35kPa…2MPa
              • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
              • Non-Linearity (Typ.): ±0.15%FS
              • Other Options: DP Sensor

              Used For

              Differential pressure sensor MDM291 is a fully welded type. It has unified construction, high static pressure, good stability, and reliability. The pressure sensor ranges from 0.35 bar to 20 bar with wide temperature compensation of 0℃ ~70℃. It has a good temperature feature and can be widely used in the industrial process control field etc., for differential pressure measurement.

          • Pressure Transmitters

          • Micro Sensor provides a wide range of pressure transmitters and transducers for process control, marine, industrial gases, food and beverage, HVAC and telemetry, etc. The product family includes pressure transmitters and transducers, MDM3051S series, switches, and IoT wireless remote monitoring devices.
              • Pressure Transmitters

              • Micro Sensor provides a wide range of pressure transmitters and transducers for process control, marine, industrial gases, food and beverage, HVAC and telemetry, etc. The pressure transmitter ranges from 0.1bar to 1000bar, outputs 0.5V~2.5V DC / 0.5V~4.5V DC / 4mA~20mA DC, etc. These pressure transmitters are certificated with ATEX explosion-proof, Exd as well as UL, suitable for hazardous environment use. Custom design available.
                  • M20 - Pressure Transmitter Suitable For General Industry

                    • Output: 4~20mA, Voltage Output
                    • Pressure Range:0kPa ~ 25kPa to 0MPa ~ 40MPa
                    • Accuracy: ±0.25%FS, ≥0.50%FS
                    • Other Options: Compact
                    • Pressure Type: Gauge & Absolute

                    Used For

                    M20 is suitable for various pressure monitoring and measurement in general industrial occasions.

                    M20 is a pressure transmitter suitable for the general industry. It has Gauge, Absolute, Positive/Negative pressure type optional. Its selection and options are rich and flexible to measure medium of air, water, mixed oil, or other fluid that can be compatible with wetted parts.

                  • MPM489 - ATEX Pressure Transmitter

                    • Output: 4~20mA, Voltage Output
                    • Pressure Range:  -1bar…0bar~0.1bar…1000bar
                    • Accuracy: ≤0.50%FS
                    • Other Options: Sanitary, Display, DNV
                    • Pressure Type: Gauge & Absolute
                    • Diameter: Φ27mm

                    Used For

                    MPM489 pressure transmitter, also called pressure transducer, is CE, RoHS, ATEX approved. Ranging from -1bar, 0.1bar to 1000bar, MPM489 pressure transmitter outputs 2-wire 4mA~20mA DC, 3-wire 0/1V~5/10V DC and 0.5V~2.5/4.5V DC. The pressure transmitter is with gauge, absolute, and sealed gauge pressure type optional. Custom-design is available, it is used for measure and control of petroleum, chemi-industry, electric power, hydrology and flow pressure measure, etc.

                    With the piezoresistive pressure sensor technology, it gives outstanding linearity, repeatability and hysteresis. While with the robust circuit design, it features a good resistance of EMI, and protection for instantaneous high pressure and surge interfere of thunder, noise and sharp pulse, etc which make it work reliably and stably in the rough environment.

                  • MPM4530 - High Temperature Pressure Transmitter

                    • Output: 4~20mA
                    • Pressure Range: 
                      -0.1MPa…0MPa~0.01MPa…160MPa(G)
                      0MPa~0.025MPa…60MPa(A)
                    • Accuracy: ≤0.50%FS
                    • Pressure Type: Gauge & Absolute
                    • Diameter: Φ30mm

                    Used For

                    High temperature pressure transmitter is for steam and fluids pressure measurement such as applications in boiler, hot spring and hot thermal liquids and gases in chemical plants.

                    MPM4530 high temperature pressure transmitter is designed for high and low temperature medium in the range of -40~150℃, it is the whole welding structure with the pressure accuracy of ≤0.5%FS and the temp. error ≤±0.025%FS/℃, the robust performance enables working in the hostile environment.

                  • MPM4841A/B - Pressure Transmitter

                    • Pressure Range: >35bar
                    • Output: 4~20mA, Voltage Output
                    • Pressure Range: 
                      Type A: 0bar~0.35bar…200bar
                      Type B: 0bar~250bar…600bar
                    • Accuracy: ≤0.50%FS
                    • Other Options: Compact
                    • Pressure Type: Gauge & Absolute
                    • Diameter: Φ27mm
                    • Output: 4~20mA, Voltage Output

                    Used For

                    Applied for measure and control of petroleum, chemi-industry, electric power, hydrology and flow pressure measure, etc.

                    MPM4841A pressure transmitter for general industrial applications are not only notable for its compact design, but it also offers excellent quality at extremely competitive pricing.

                  • MPM480 - LED Display Pressure Transmitter

                    • Output: 4~20mA, Voltage Output
                    • Pressure Range: -1bar…0bar~ 0.1bar…1000bar
                    • Accuracy: ±0.25%FS
                    • Other Options: Sanitary, Display
                    • Pressure Type: Gauge & Absolute
                    • Diameter: Φ27mm

                    Used For

                    Applied for pressure measure and control of petroleum, chemi-industry, metallurgy, power station and hydrology, etc.

                    MPM480 pressure transmitter with LED display has a general and flush diaphragm type, suitable for oil tank pressure measurement. It has a pressure range of -1bar...0~0.1bar…1000bar and outputs analog 4-20mADC and 0/1V~5/10V DC signals. MPM480 is CE, UL, RoHS approved and a ship use product with intrinsic safe explosion-proof version.

                    With long term stability and high reliability, MPM480 pressure transmitter display is widely used for pressure measure and control of petroleum, chemi-industry, metallurgy, power station and hydrology, etc. It is optional to connect with LCD and LED indicator which is enabled for precision pressure measurement and real-time pressure monitoring.

                  • MPM380 - Pressure Transmitter

                    • Output: mV
                    • Pressure Range: -100kPa…0kPa~20kPa…100MPa
                    • Pressure Type: Gauge & Absolute
                    • Diameter: Φ27mm

                    Used For

                    Used for food, medicine, sanitation fields which is easy to be dirty.

                    MPM380 pressure transducer features a precision non-linearity and Stainless Steel case which enables to be integrated with various equipment and devices for pressure measurement and monitoring.

                  • MPM4503 - Pressure Transmitter

                    • Output: 4~20mA, Voltage Output, I2C&SPI
                    • Pressure Range: 0bar~10 bar,16 bar, 20 bar , 25 bar, 50 bar
                    • Accuracy: ≥0.50%FS
                    • Other Options: Compact
                    • Pressure Type: Gauge & Absolute

                    Used For

                    It could be widely used in the fields like Io VF constant pressure water supply, compressor, T terminal, energy & water treatment system and building automation system, etc.

                    MPM4503 Pressure Transmitter is a cost-effective product that adopts micro-fused technology, it can effectively resist overpressure and could meet different needs for pressure measurement and control in various environmental conditions.

                  • MPM4893 - Pressure Transmitter

                    • Output: 4~20mA, Voltage Output
                    • Pressure Range: 20kPa ~ 100kPa…35MPa
                    • Accuracy: ≤0.50%FS
                    • Pressure Type: Gauge & Absolute
                    • Diameter: Φ27mm

                    Used For

                    Analog pressure transmitter transmits signal into standard analog 4-20mADC, 1~5VDC etc. MPM4893 is a stable water tank use pressure transmitter or transducer applied in industrial process control.

                    Applied for liquid pressure measurement and control in the industries of petroleum, chemical industry, electric power, hydrology and geology, etc.

                • Digital Pressure Transmitters

                • Digital pressure transmitter and pressure transducer output digital I2C, RS485, MODBUS, and HART signals for applications. Micro Sensor offers low power consumption digital pressure transmitter with a 3.3V power supply. The pressure ranges from 0.07bar to 1000bar, which is suitable for tank monitoring, agriculture irrigation, hydropower plant applications, etc.
                    • MPM3801 - I2C Pressure Sensor

                      • Output: I2C&SPI
                      • Pressure Range: 0bar~0.07bar / 0.2bar / 0.35bar / 0.7bar / 1bar / 2bar / 3.5bar / 5bar / 7bar / 10bar / 16bar / 20bar / 35bar / 70bar / 100bar / 200bar / 350bar / 700bar / 1000bar
                      • Accuracy: ±0.25%FS, ≤0.50%FS
                      • Other Options: Compact
                      • Pressure Type: Gauge & Absolute
                      • Diameter: Φ19mm

                      Used For

                      It is widely used for various liquid pressure measurement which is compatible with stainless steel and Viton.

                      MPM3801 pressure sensor is with the standard IIC & SPI interface protocol and compact structure, which could be easily integrated into the SCADA or IoT system where requires the low power consumption. The sensor with the piezoresistive chip inside gives the outstanding linearity, repeatability and hysteresis. Due to the stainless steel housing and isolated diaphragm, the sensor could be compatible with the various medium.

                    • MPM3801A - Digital Pressure Transmitter

                      • Output: I2C&SPI
                      • Pressure Range: 0bar~0.07bar / 0.2bar / 0.35bar / 0.7bar / 1bar / 2bar / 3.5bar / 5bar / 7bar / 10bar / 16bar / 20bar / 35bar / 70bar / 100bar / 200bar / 350bar / 700bar / 1000bar
                      • Accuracy: ±0.25%FS, ≤0.50%FS
                      • Other Options: Compact
                      • Pressure Type: Gauge & Absolute
                      • Diameter: Φ27mm

                      Used For

                      Digital IIC pressure sensor MPM3801A is low power consumption type pressure sensing element. It is with small size and can be widely used in IoT, petroleum and petrochemical industries, etc.

                      The MPM3801A digital pressure transmitter adopts the MPM3801 stainless steel oil-filled sensor as the sensing element and has the stainless-steel housing. Its wetted material is stainless steel, which has excellent corrosion resistance and long-term stability. The sensor is temperature compensated in the full temperature range to ensure that the technical parameters such as Zero Point, sensitivity, linearity and stability are well maintained within the operating temperature range.

                    • MPM4730 - Digital RS485 HART Pressure Transmitter

                      • Output: 4~20mA, RS485-Customised, RS485-Modbus, HART
                      • Pressure Range: -1bar…0bar~0.1bar…1000bar
                      • Accuracy: ≤0.15%FS
                      • Other Options: Display, DNV
                      • Pressure Type: Gauge & Absolute
                      • Diameter: Φ27mm

                      Used For

                      It is a pressure measurement instrument with digital HART and RS485 output, suitable for agriculture irrigation, tank use, hydropowe plant applications etc.

                      With Piezoresitive technology and special designed electronics, the MPM4730 pressure sensor could provided with accuracy of 0.15%FS during the temperaure range -10~80℃, It could also give both analogue and digital signals, such as:4~20mA, RS485-Modbus, HART protocol. Customers could have a better pressure measurement and control with the MPM4730 but without budget issue.

                    • MPM4760 - Pressure Transmitter

                      • Output: 4~20mA, RS485-Customised
                      • Pressure Range: -1bar...0bar~0.1bar…1000bar
                      • Accuracy: ±0.25%FS
                      • Other Options: Display
                      • Pressure Type: Gauge & Absolute
                      • Diameter: Φ27mm

                      Used For

                      Used for the precise measurement of flowing pressure in various industries.

                      MPM4760 intelligent pressure transmitter is a high accuracy digital pressure transmitter with LCD display. The LCD display and battery power enable the MPM4760 to be used as a digital pressure gauge. The high accuracy and good stability ensure it could be used for the precise pressure measurement and control of various industrie

                    • MPM486 - Pressure Transmitter

                      • Output: 4~20mA, HART
                      • digital compensation and linearity correction
                      • -10℃ ~80℃ digital wider temperature compensation
                      • Local and long-distance zero, range adjustment
                      • Local key operation, easy configuration
                      • Protection IP65

                      Used For

                      With high accuracy, wider temperature compensation range and standard signal output, it can measure fluids pressure precisely.

                      MPM486 pressure transmitter is designed for applications that require an intelligent pressure measurement and a local display. It is based on piezoresistive measurement principle and uses the most advanced digital technique, temperature compensation, linearity correction and reliable ex-proof construction for production, which guarantees good performance and high accuracy. With HART protocol, it is available to manage, adjust or monitor the process variables by HART communicator or software, and with local LCD display, it could also be configured by key-press directly on site.

                  • Differential Pressure Transmitters

                  • Differential pressure transmitter is for low range pressure measurement for air and gases. The low-pressure range can be 10 mbar, the best accuracy of the differential pressure transmitter can be ±0.075%FS. It can be widely used in the chemical, gas and oil filed. Micro Sensor also offers a differential pressure transmitter for oxygen pressure measurement, specializing in gas pressure measurement in medical oxygen production equipment and oxygen storage tanks.
                      • MDM390 - Differential Pressure Transmitter

                        • Output: mV
                        • Pressure Range: 0~35kPa…3.5MPa
                        • Other Options: Compact
                        • Pressure Type: Differential
                        • Diameter: Φ27mm

                        Used For

                        Use differential pressure transmitter for water liquid application in industrial process control. Small size, accurate performance. Applied for slurry liquid, to control pump, for vacuum atmospheric and HVAC.

                        MDM390 differential pressure transducer is a pressure sensor assembled in housing which gives mV output signal, it is easier for the users to install and deal with the signal in their system.

                      • MDM490 - Differential Pressure Transmitter

                        • Output: 4~20mA, Voltage Output
                        • Pressure Range: 0~35kPa…3.5MPa
                        • Accuracy: ≤0.50%FS
                        • Other Options: Display
                        • Pressure Type: Differential
                        • Diameter: Φ27mm

                        Used For

                        The differential pressure transmitter measures fluids, gas and liquid differential pressure in tanks and container during industrial process control. Low range differential pressure measuring is available.

                        MDM490 differential pressure transmitter is applied for differential pressure measurement of various gases and liquids in pipeline, cylinder, bulk and micro bulk for level measurement and level monitoring and differential pressure monitoring.

                      • MDM4901FL - Differential Pressure Transmitter for Oxygen Pressure Use

                        • Output: 4~20mA, Voltage Output
                        • Pressure Range: 0~35kPa…3.5MPa
                        • Accuracy: ≤0.50%FS
                        • Other Options: Display
                        • Pressure Type: Differential
                        • Diameter: Φ27mm

                        Used For

                        Used for the medical and pharmaceutical industries, specializing in gas pressure measurement in medical oxygen production equipment and oxygen storage tanks.

                        MDM4901FL isolated differential pressure sensor filled with Fluorinated oil with CGA complied Oxygen cleaning service enable MDM4901FL could be used for differential pressure measurement and level measurement of Oxygen bulk and Micro bulk and cylinders and other measurement and control process of Oxygen storage and production.

                    • Wireless Pressure Transmitters

                    • Micro Sensor Wireless transmitter is with low power consumption and wireless communication function. It can be equipped with various networks including NB-IoT/4G. The wireless series contains a wireless pressure transmitter, wireless temperature transmitter as well as wireless differential pressure transmitters. The wireless transmitter can detect the real-time data of many monitoring points in a large area such as petroleum, chemical industry, electric power, hydrology, and other fields requiring unattended and remote monitoring.
                        • Level Transmitters

                        • Micro Sensor provides a wide range of level transmitters and transducers for process control, marine, industrial gases, food and beverage, HVAC and telemetry, etc. Product family includes level probe, level transmitters, wireless level transducer, etc.
                            • Submersible Level Transmitters

                            • The submersible level transmitter has stainless steel construction, flange installation, local display, and calibration. It has ATEX explosion-proof version optional for hazardous environment applications. The submersible level transmitter is widely used for the liquid measure and control of both petroleum, chemical industry, power station, city water supply, and drainage and hydrology.
                                • MPM316W - Submersible Level Sensor

                                  • Pressure Range: 0~1m…200m H2O
                                  • Output: mV
                                  • Diameter: Φ27mm

                                  Used For

                                  Use stainless steel level sensor to measure fluid level, the fluids could be drinking water, underground water, seawater, lake and water tanks etc. Read more detail specification for fluid level sensor here.

                                  MPM316W submersible level sensor is used for simple measuring requirements in level measurement. Using high reliable and stable solid piezoresistive pressure cell, with zero and full span compensated under -10℃ ~70℃, guranteen the good accuracy and stability. The full stainless steel sealed construction and water-proof and oil-proof cable, make it submersed under water for long-term measurement and ensure a long life.

                                • MPM426W - Submersible Level Transmitter

                                  • Pressure Range: 0~1m…200m H2O
                                  • Output: 4~20mA, Voltage Output
                                  • Diameter: Φ26mm
                                  • Accuracy (Typ.): ±0.25%FS

                                  Used For

                                  This is a submersible level transmitter for liquid media level measurement. Analog 4 20mADC, 1-5VDC output optional. The liquid could be seawater, acid, freshwater, sewage and waste water.

                                  MPM426W submersible level transmitter using highly reliable and stable piezoresistive pressure cell and signal processing inside, guarantee the good accuracy and stability and with high accuracy +0.25%FS. It has compact size, easy installation can be submersible into the liquid directly to measure level from the transmitter bottom to the liquid surface. It has a variety of output signals including current and voltage which can meet the different application requirement.

                                  With reliable ex-proof construction and electronics, this model is also ideally suitable in EX areas and approved by DNV. MPM426W submersible level transducer outputs analog 4-20mA DC and 0/1V~5/10V DC signal with CE marked and the intrinsic safe version available. It can perfectly be used on a ship or marine application. It is used for general level measurement in applications of petroleum, chemi-industry, power station, city water supply and drainage and hydrology, etc.

                                • MPM489W - Submersible Level Transmitter

                                  • Pressure Range: 0~1m…200m H2O
                                  • Output: 4~20mA, Voltage Output
                                  • Diameter: Φ26mm
                                  • Accuracy (Typ.): ≤0.50%FS

                                  Used For

                                  Accurate water level transmitter with ATEX explosion-proof certificate can be used for water level measurement of sewage, sea water, underground water as well as chemical plant wasted water.

                                  MPM489W submersible water level transmitter is IP68 protected with ranges from 1m to 200m. The level transmitter outputs analog 4mA~20mADC, 0~5/10VDC and 0.5V~4.5V DC. MPM489W level transmitter is with ATEX explosion-proof and RoHS approved for measuring gasoline, diesel and other media. Custom design is available. It can be also used for water or liquid measure and control of medicine, metallurgy, electricity, mine, city water supply and drainage and hydrology, etc.

                                • MPM489WZ1 - Submersible Level Transmitter

                                  • Pressure Range: 0m~10m…200m H2O
                                  • Output: 4~20mA
                                  • Diameter: Φ19mm
                                  • Accuracy (Typ.): ≤0.50%FS

                                  Used For

                                  Use MPM489WZ1 level transmitter for underground water , deep well, borehole level measurement. 4 20mADC output, IP68 protected and custom design available.

                                • MPM489WZ3 - Submersible Level Transmitter

                                  • Pressure Range: 1m, 2m, 5m, 7m H2O
                                  • Output: 4~20mA
                                  • Diameter: Φ22mm
                                  • Accuracy (Typ.): ≤0.50%FS

                                  Used For

                                  Use level sensor to measure water tank level, accurate and analog 4 20mADC. This is stainless steel constructed, anti-corrosive, suitable for water tank ,oil tank, oil container and fuel tank level measure.

                                  MPM489WZ3 compact size submersible level transmitter in 22mm diameter, with stainless steel housing and nylon cap, 4~20mA and 0.5~4.5VDC output options, used for monitoring the tank level of DEF, LUBE Oil, Gasoline in the Remote Tank Monitoring solutions.

                                • MPM489WZ4 - 17mm Submersible Level Transmitter

                                  • Pressure Range: 0m~10m…200m H2O
                                  • Output: 4~20mA
                                  • Diameter: Φ17mm
                                  • Accuracy (Typ.): ≤0.50%FS

                                  Used For

                                  Thin diameter level transmitter with 17mm diameter can be used for level measurement which requires small size and accurate measurement. It is compact while performing stable.

                                  MPM489WZ4 small-size submersible level transmitter with 17mm diameter, stainless steel housing, vented cable specially suitable for inserting down very small boreholes.

                                • MPM426WPC - Level Transmitter

                                  • Pressure Range: 
                                    0 ~ 2mH2O/3.5mH2O/5mH2O/
                                    10mH2O/20mH2O/35mH2O
                                  • Output: Voltage Output
                                  • Diameter: Φ26mm
                                  • Accuracy (Typ.): ≤0.50%FS

                                  Used For

                                  This level transmitter is mainly applied for the pressure measurement and control of multiple chemicals.

                                • MPM426WPF - Level Transmitter

                                  • Pressure Range: 
                                    0 ~ 2mH2O/3.5mH2O/5mH2O/
                                    10mH2O/20mH2O/35mH2O
                                  • Output: Voltage Output
                                  • Diameter: Φ26mm
                                  • Accuracy (Typ.): ≤0.50%FS

                                  Used For

                                  It is mainly applied for the pressure measurement and control of petrochemicals.

                                  The MPM426WPF level transmitter is a fully welded, submersible level measurement device.The vented cable and the housing are hermetically sealed, can be used in the liquids that are compatible with the sensor material for a long time.

                              • Digital Level Transmitters

                              • Intelligent level transmitter, level sensor, and level transducer output digital RS485, hart, Modbus output signal. Suitable to measure the tank level with the level transmitter, like water tank, oil tank, storage tank, etc. The intelligent digital level sensor has high accuracy and IP68 protected and anti-corrosive.
                                  • MPM4700 - Intelligent Level Transmitter

                                    • Pressure Range: >35bar
                                    • Output: 4~20mA, RS485-Customised, RS485-Modbus, HART
                                    • Diameter: Φ26mm
                                    • Accuracy (Typ.): ≤0.10%FS

                                    Used For

                                    To measure the tank level with level transmitter, like water tank, oil tank, storage tank etc. it has high accuracy and digital RS485, hart, Modbus output signal. IP68 protected and anti-corrosive.

                                    MPM4700 intelligent digital liquid level transmitter is designed for applications that require digital communications and can output analog 4-20mA DC and digital HART RS485 signal. It has typical ±0.1%FS high accuracy, owns RoHS certification, intrinsic safe version and obtained marine ship-use type use. With Modbus and HART protocol, it is available to manage, adjust or monitor the process variables by communicator or software remotely.

                                    With reliable ex-proof construction and electronics, this model is also ideally suitable in EX areas and approved by DNV. MPM4700 liquid level transmitter is IP68 protected, the full stainless steel sealed construction and water-proof and oil-proof cable, make the level transmitter submersed underwater for long-term measurement and ensure a long life.

                                  • MPM4780W - Intelligent Level Transmitter

                                    • Pressure Range: >35bar
                                    • Output: Voltage Output, RS485-Modbus
                                    • Diameter: Φ26mm
                                    • Accuracy (Typ.): ≤0.50%FS

                                    Used For

                                    For tanks level measurement, submersible level transmitter will be more convenient and accurate. Intelligent HART, RS485 and ModBus protocol optional. Custom-design is available too.

                                    MPM4780W level sensor is with intelligent digital Modbus RTU protocol output. It has Featuring standard digital output, great compatibility, small size, lightweight and wide pressure range, it can be applied in many fields which involve high accuracy required measurement of fluids. MPM4780W level transmitter has ±0.5%FS accuracy with ranges from 3.5m to 200mH2O.

                                    MPM4780W has a permanent waterproof IP68 rating for continuous submersion in a water borehole to measure water depth, supports RS485 digital serial interface follows the Modbus RTU communications protocol to allow easy integration with other devices connected to the same monitoring hardware.

                                • Special Application Level Transmitters

                                • Micro Sensor offers diesel level transmitter MPM4809td, Level sensor designed for the low range 0.5m level monitoringMPM436W, level transducer with dual-level and temperature measurement MPM4810 and MPM4811, wireless level transmitter MPM6861W. For applications such as drinking water and sewage in chemical industry, power stations, city water supply, and drainage systems and hydrology, etc.
                                    • MPM4811 - Submersible Level Transmitter

                                      • Level: 1, 2, 5, 10, 20, 50, 100, 200m H2O
                                      • Temperature: -20℃…0℃ ~10℃…70℃
                                      • Output: 4~20mA
                                      • Diameter: Φ26mm
                                      • Accuracy (Typ.): ≤0.50%FS

                                      Used For

                                      Applied for level and temperature measurement and control in different industry fileds.

                                      MPM4811 IP68 protected submersible level transmitter support 4~20mA dual ouput of level and temperature, with stainless steel housing, suitable for monitoring fluids level to depth of 200mH2O, within temperature range from -20 to 70C.

                                    • MPM4810 - High Temperature Level Transmitter

                                      • Level: 0m~5m…200m H2O
                                      • Temperature: 0℃ ~125
                                      • Power Supply: ≤ 2.0mA DC / ≤ 10V DC
                                      • Output: 4~20mA
                                      • Diameter: Φ31.5mm
                                      • Accuracy (Typ.): ≤0.50%FS

                                      Used For

                                      High temperature level transmitter is integrated, anti-corrosive, able to measure level and temperature measurement of liquids up to 125℃, suitable for hot spring and under-ground hot water.

                                      MPM4810 high-temp Level transmitter support both 4~20mA pressure and temperature signal, with stainless steel housing, Teflon cable, can be used in harsh environments for monitoring various corrosive fluids with temperature up to 125C, and ranges up to 200mH2O.

                                    • MPM436W - Level Transmitter for Low Level

                                      • Pressure Range: 0~0.5/2mH2O
                                      • Output: 4~20mA, Voltage Output
                                      • Diameter: Φ43mm
                                      • Accuracy (Typ.): ≤0.50%FS

                                      Used For

                                      The Level transmitter able to measure low range level of 0.5m liquid, drinking water and sewage in chemi-industry, power station, city water supply and drainage system and hydrology, etc.

                                      MPM436W high overpressure water resistant level transmitter with stainless steel housing, ceramic sensing diaphragm for measuring micro liquid depth pressure in the range of 0.5mH20 to 2mH2O, with an accuracy of ±0.5%FS minimum.

                                    • MPM4809TD - Diesel Level Transmitter

                                      • Pressure Range: 0~2m Diesel Oil(proportion: 0.84~0.86)
                                      • Output: 4~20mA
                                      • Diameter: Φ26mm
                                      • Accuracy (Typ.): ≤0.50%FS

                                      Used For

                                      The diesel level transmitter is atex approved, suitable for 2m diesel oil level measurement and control in chemical industry, medicine, metallurgy, power plant, mine, city water drainage and hydrology.

                                      MPM4809TD submersible level transmitter is widely used in telecom tower station for fuel, diesel level measurement. With complete media compatibility and thunder proof protection device, care free solution in remote working environment.

                                    • LR725L - Ultrasonic Level Meter

                                      • Pressure Range: 5, 10, 15, 20, 30, 40, 50mH2O
                                      • Output: 4~20mA
                                      • Accuracy (Typ.): ≤0.50%FS

                                      Used For

                                      It is used for measuring liquid, slurry, and solids on industrial sites.

                                      LR725L Ultrasonic Level Meter (measuring the material level and liquid level) is a non-contact, highly reliable, cost-effective, and easy-to-install and maintain level measuring instrument, used in water treatment, municipal administration, chemical industry, metallurgy, and machinery manufacturing industries.

                                  • 3051S Intelligent Pressure Transmitter

                                  • Micro Sensor provides a wide range of pressure transmitters and transducers for process control, marine, industrial gases, food and beverage, HVAC and telemetry, etc. 3051S series includes differential pressure, absolute pressure, gauge pressure transmitters. Custom design available.
                                      • MDM3051S-DGP Bracket Installation Gauge Pressure Transmitter (DGP)

                                        • Output: 4~20mA, HART
                                        • Pressure Range: ≤35bar
                                        • Accuracy: ≤0.15%FS, ±0.075%FS
                                        • Other Options: Display
                                        • Pressure Type: Gauge

                                        Used For

                                        Used for level, density and pressure measurement of liquid, gas and steam.

                                        MDM3051S-DGP intelligent pressure transmitter with a differential pressure type installation is used for measuring liquid, gas and steam pressure in an open atmosphere. A basic error of ±0.075% silicon sensor and the most advanced digital signal processing inside grantee the high accuracy and good stability. With reliable ex-proof construction and electronics, this model is also ideally suitable in EX areas. MDM3051S-DGP has 4-20mA and HART output signal, which makes it available to manage, adjust and monitor remotely and with local LCD display, it could also be configured by key-press directly on site.

                                      • MDM3051S-DAP Bracket Installation Absolute Pressure Transmitter (DAP)

                                        • Output: 4~20mA+HART
                                        • Pressure Range: ≤30bar
                                        • Pressure Type: Absolute

                                        Used For

                                        Used for level, density and pressure measurement of liquid, gas and steam.

                                        MDM3051S-DAP intelligent pressure transmitter with a differential pressure type installation is used for measuring liquid, gas and steam pressure in a vacuum atmosphere A basic error of ±0.075 silicon sensor and the most advanced digital signal processing inside grantee the high accuracy and good stability With reliable ex proof construction and electronics, this model is also ideally suitable in EX areas MDM 3051S-DAP has 4-20 mA and HART output signal, which makes it available to manage, adjust and monitor remotely and with local LCD display, it could also be
                                        configured by key press directly on site

                                      • MDM3051S-GP Gauge Pressure Transmitter (GP)

                                        • Output: 4~20mA+HART
                                        • Pressure Range: ≤30bar, 30bar<P≤400bar
                                        • Pressure Type: Gauge

                                        Used For

                                        Used for level, density, pressure and flow measurement of liquid, gas and steam.

                                        MDM3051S-GP intelligent pressure transmitter is used for measuring liquid, gas and steam pressure in an open atmosphere. A basic error of ±0.075% silicon sensor and the most advanced digital signal processing inside grantee the high accuracy and good stability. With reliable ex-proof construction and electronics, this model is also ideally suitable in EX areas. MDM3051S-GP has 4-20mA and HART output signal, which makes it available to manage, adjust and monitor remotely and with local LCD display, it could also be configured by key-press directly on site.

                                      • MDM3051S-AP Absolute Pressure Transmitter (AP)

                                        • Output: 4~20mA+HART
                                        • Pressure Range: ≤30bar
                                        • Pressure Type: Absolute

                                        Used For

                                        Used for level, density, pressure and flow measurement of liquid, gas and steam.

                                        MDM3051S-AP is used for measuring liquid, gas and steam pressure in vacuum atmosphere. A basic error of ±0.075% silicon sensor and the most advanced digital signal processing inside grantee the high accuracy and good stability. With reliable ex-proof construction and electronics, this model is also ideally suitable in EX areas. MDM3051S-AP has 4-20mA and HART output signal, which makes it available to manage, adjust and monitor remotely and with local LCD display, it could also be configured by key-press directly on site.

                                      • MDM3051SDP Differential Pressure Transmitter (DP)

                                        • Output: 4~20mA+HART
                                        • Pressure Range: ≤30bar
                                        • Pressure Type: Differential

                                        Used For

                                        Applied for level, density, pressure and flow measurement of liquid, gas and steam.

                                        MDM3051S-DP intelligent pressure transmitter is used for level, density, pressure and flow measurement of liquid, gas and steam and typically in oil and gas industries. A basic error of ±0.075% silicon sensor and the most advanced digital signal processing inside grantee the high accuracy and good stability. With reliable ex-proof construction and electronics, this model is also ideally suitable in EX areas. MDM3051S-DP has 4-20mA and HART output signal, which makes it available to manage, adjust and monitor remotely and with local LCD display, it could also be configured by key-press directly on site.

                                    • Applications

                                    • As the first one who self-designed and produced piezo-resistive pressure sensor in China, being the world top-class sensing and measuring specialist is always our mission. Micro Sensor Co., Ltd., focuses on technics development, mass production and technical services in industrial and control areas, providing specified product solutions of fluid media measurement for customers over 90 countries in process control, smart manufacture, smart city and precise industries, etc.
                                        • Water Treatment

                                          • Underground Water Level
                                          • Hydropower
                                          • Environmental Monitoring
                                        • Industrial Gases

                                          • O2 Oxygen
                                          • H2 Hydrogen
                                          • N2 Nitrogen
                                          • Medical Air
                                        • Tank Level Monitoring

                                          • Diesel Tank
                                          • Water Tank
                                          • Oil Tank
                                        • Machinery

                                          • Industrial Printing Machine
                                          • Premium Coffee Machine
                                          • Compressor & Pump
                                        • Energy

                                          • Power Generation
                                          • Nature Gas Distribution
                                          • Volume Conversion Device
                                        • Industrial Automation

                                          • Factory automation
                                          • Hydraulic Robot Arm
                                          • Tube System
                                        • Marine

                                          • BWMS
                                          • Ballast Water Chamber
                                          • Pump Station
                                        • Process Industry

                                          • Gas & Oil
                                          • Chemical
                                          • Food & Drink
                                          • Process Control