STS Sensor Technik Sirnach
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- Offer Profile
- Since 1987 we have been
exploring and advancing the world of the sensor system. Swiss quality is
encased in every product that we ship. We strive for global sensor
excellence.
STS is a diverse, ever expanding global organization with nearly 100
employees working from our headquarters; five subsidiaries, located in
Italy, France, Great Britiain, China and Germany as well as more than 40
distribution partners all over the world. Our operations in the United
States, Europe and Japan provide resources close to our customers.
STS vision
To be the global leader of speciality niche products and customised sensor
products, our sensors provide maximum mechanical and electrical modularity.
STS mission
We develop, produce and distribute high-quality pressure transducers,
pressure sensors, submersible transmitters and data loggers, as well as
integrated measuring instruments for water management and industry.
Product Portfolio
Piezoresistive OEM Measuring Cell
Piezoresistive Transducer
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 % FS
- Output signal: mV
- Materials: Stainless steel, Titanium, Hastelloy®
Customer benefits
- High accuracy and excellent long-term stability
- Reliable and highly resistant to corrosion
- Effective media isolation without degrading performance
Pressure Transmitter
Pressure Transmitter 4-20mA / 0-10V
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Our analog pressure transmitters can be custom configured to a wide range of applications thanks to the eclectic selection of electrical and mechanical connections.
ATM.mini - Miniature Transmitter
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Features
- Pressure measuring range: 1 bar … 100 bar
- Accuracy: ≤ ± 0.2 / 0.1 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 125°C
- Output signal: 0.5 … 4.5 VDC / 4 … 20 mA
- Total Error Band: ≤ ± 0.5 %FS
- Process connection: 1/8 NPT M, 3/8 - 24 UNJF, M8 x 1 M, M10 x 1 M
- Materials: Stainless steel
Customer benefits
- High accuracy over a wide temperature range
- Customization thanks to a modular product design
- No medium incompatibilities due to an all welded design
- Miniature design for applications with space restrictions
ATM - Analog Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- Output signal: 0 … 5 / 0 … 10 VDC, 0 … 20 / 4 … 20 mA
- Process connection: G 1/4 F, 1/4 NPT, 1/2 NPT, G 1/4 M, G1/2 M
- Materials: Stainless steel, Titanium
Customer benefits- Fast customization thanks to configurable product design
- Demountable electrical connector option to allow adjustment of zero and span setting in the field
- Compact design requires minimal space
- Short response time suitable for dynamic pressure measurements
ATM.ECO - Analog Pressure Transmitter with Temperature Compensation
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.25 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: 0 … 5 / 0 … 10 VDC, 4 … 20 mA
- Total Error Band: ≤ ± 0.70 %FS (0 … 70°C)
- Process connection: G 1/4 F, 1/4 NPT, 1/2 NPT, G 1/4 M, G1/2 M
- Materials: Stainless steel
Customer benefits
- Entry level series into precision pressure measurement
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Fast customization thanks to configurable product design
ATM/K - Analog Pressure Transmitter with Ceramic Measuring Cell
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Features
- Pressure measuring range: 100 mbar … 25 bar
- Accuracy: ≤ ± 0.25 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 125°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel
Customer benefits
- Corrosion and abrasion resistance for use in for example wastewater applications
- Robust ceramic measuring cell results in long life time of the diaphragm
- Fast customization thanks to configurable product design
- Compact design requires minimal space
High Precision Pressure Transmitter 4-20mA / 0-10V
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The ATM.1ST product line is an electronically compensated pressure transmitter providing an analog output. The transmitter offers accuracies of 0.05% FS including linearity, hysteresis, repeatability, zero and span setting errors.
ATM.1ST - High Precision Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.10 / 0.05 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: 0 … 5 / 0 … 10 VDC, 4 … 20 mA
- Total Error Band: ≤ ± 0.30 %FS (0 … 70°C)
- Process connection: G 1/4 F, 1/4 NPT, 1/2 NPT, G 1/4 M, G1/2 M
- Materials: Stainless steel, Titanium
Customer benefits
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
- Short response times suitable for dynamic pressure measurements
- Fast customization thanks to modular product design
Intrinsically Safe Pressure Transmitter - FM/FMc Certified
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STS offers a comprehensive range of classic 2-wire 4-20mA output transducers and transmitters for use in hazardous environments. Certifications include FM and FM-C.
ATM/IS - Analog Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: FM & FM-C
- Fast customization thanks to configurable product design
- Demountable electrical connector option allow adjustment of zero and span setting
- Compact design requires minimal space
- Short response times suitable for dynamic pressure measurements
ATM.ECO/IS - Analog Transmitter with Temperature compensation
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.25 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Total Error Band: ≤ ± 0.70 %FS (0 … 70°C)
- Materials: Stainless steel
Customer benefits
- Certificate: FM, FM-C & IECEx & ATEX
- Entry level series into precision pressure measurement
- High accuracy is ensured by sophisticated digital temperature compensation algorithms
- Fast customization thanks to configurable product design
ATM.1ST/IS - High Precision Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.10 / 0.05 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Total Error Band: ≤ ± 0.30 %FS (0…70 °C)
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: FM, FM-C, IECEx & ATEX
- High accuracy is ensured by sophisticated digital temperature compensation algorithms
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
- Short response times suitable for dynamic pressure measurements
- Fast customization thanks to configurable product design
ATM/F/IS - Hygienic Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 25 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -25 … 100°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel
Customer benefits
- Certificate: FM & FM-C
- Welded and compact design for washdowns without residuals
- Surface roughness of flush process connection Ra ≤ 0.4 for highest hygienic standards
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic pressure measurements
Intrinsically Safe Pressure Transmitters - ATEX / IECEx Certified
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2-wire 4-20mA output transducers and transmitters for use in intrinsically safe applications. This section provides an overview of ATEX and IECEx certified products.
ATM/Ex - Analog Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX & EAC
- Fast customization thanks to configurable product design
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Compact design requires minimal space
- Short response times suitable for dynamic pressure measurements
ATM.ECO/Ex - Analog Transmitter with Temperature compensation
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.25 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Total Error Band: ≤ ± 0.70 %FS (0 … 70°C)
- Materials: Stainless steel
Customer benefits
- Certificate: ATEX, IECEx & EAC
- Entry level series into precision pressure measurement
- High accuracy is ensured by sophisticated digital temperature compensation algorithms
- Fast customization thanks to configurable product design
ATM.1ST/Ex - High Precision Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.10 / 0.05 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Total Error Band: ≤ ± 0.30 %FS (0…70 °C)
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX, IECEx & EAC
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
- Short response times suitable for dynamic pressure measurements
- Fast customization thanks to configurable product design
ATM/F/Ex-Hygienic Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 25 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -25 … 100°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel
Customer benefits
- Certificate: ATEX & EAC
- Welded and compact design for washdowns without residuals
- Surface roughness of flush process connection Ra ≤ 0.4 for highest hygienic standards
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic pressure measurements
TM/Ex - Passive Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: mV
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX & EAC
- Unreinforced output signal
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic pressure measurements
PTM/Ex - Programmable Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Adjustable 1:4 of the nominal range within -5% to +105%
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX & EAC
- High flexibility due to scalalbe pressure range
- Adjustment of zero and span setting through software commands in the field
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
Fieldbus & Digital Pressure Transmitter
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This product family offers both digital output pressure transmitters with interfaces such as RS485, Modbus protocol and combination analog/digital output versions.
DTM.OCS.S - Modbus Transmitter
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Features
- Pressure measuring range: 200 mbar…100 bar
- Accuracy: ≤ ± 0.15 / 0.05 / 0.03 % FS
- Operating temperature: -40…85 °C
- Process temperature: -40…85 °C
- Interface: RS485
- Materials: Stainless steel, Titanium
Customer benefits
- High precision digital pressure sensor with standard Modbus interface
- Fast customization thanks to modular product design
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Adjustment of zero and span setting through Modbus commands
PTM/RS485
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Adjustable 1:4 of the nominal range within -5% to +105% (analog output)
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -25 … 85°C
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- 2 Output signals (p & T): 4 … 20 mA
- Interface: RS485
- Materials: Stainless steel, Titanium
Customer benefits- High flexibility due to scalalbe pressure range
- Digital (RS485) and analogue (4-20mA) output signal in one sensor
- Available as multi-parameter sensor (pressure & temperature)
- Fast customization thanks to modular product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
Programmable Pressure Transmitter
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STS offers rangeable transmitters where the process pressure might change and maximum output resolution is required, or to standardize on a single type of device to satisfy a multiple number of installations. These are generally programmable through a digital interface such as RS485.
PTM - Pressure Transmitter 4-20mA
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Features
- Pressure measuring range: 100 mbar…1000 bar
- Adjustable: 1:4 of the nominal range within -5% to +105%
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Operating temperature: -25…85 °C
- Process temperature: -40…150 °C
- Output signal: 4…20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- High flexibility due to scalalbe pressure range
- Adjustment of zero and span setting through software commands
- Fast customization thanks to modular product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
PTM/RS485
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Adjustable 1:4 of the nominal range within -5% to +105% (analog output)
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -25 … 85°C
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- 2 Output signals (p & T): 4 … 20 mA
- Interface: RS485
- Materials: Stainless steel, Titanium
Customer benefits
- High flexibility due to scalalbe pressure range
- Digital (RS485) and analogue (4-20mA) output signal in one sensor
- Available as multi-parameter sensor (pressure & temperature)
- Fast customization thanks to modular product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
PTM/Ex - Programmable Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Adjustable 1:4 of the nominal range within -5% to +105%
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX & EAC
- High flexibility due to scalalbe pressure range
- Adjustment of zero and span setting through software commands in the field
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
Passive Transmitter (mV)
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This series of pressure transducers and transmitters provide a millivolt (mV) output of up to 15 mV/V for use in applications where it is preferred to remove the electronics from the measuring location or the user already has his own characterization capability.
TM - Passive Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: mV
- Materials: Stainless steel, Titanium
Customer benefits- Fast customization thanks to modular product design
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Very short response times suitable for dynamic pressure measurements
TM/Ex - Passive Transmitter
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 % FS
- Operating temperature: -40 … 125°C
- Process temperature: -40 … 150°C
- Output signal: mV
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX & EAC
- Unreinforced output signal
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic pressure measurements
Hygienic Pressure Transmitter
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This pressure sensor product family developed and produced by STS are suitable for pressure monitoring and are specifically designed to meet the requirements of the food, beverage and life sciences industries. Our products meet the demanding expectations of accuracy, reliability, and cleanability.
ATM/F - Hygienic Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 25 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -25 … 100°C
- Output signal: 0 … 5 / 0 … 10 VDC, 0 … 20 / 4 … 20 mA
- Materials: Stainless steel
Customer benefits
- Welded and compact design for washdowns without residuals
- Surface roughness of flush process connection Ra ≤ 0.4 for highest hygienic standards
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Fast customization thanks to modular product design
- Short response times suitable for dynamic pressure measurements
ATM/F/IS - Hygienic Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 25 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -25 … 100°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel
Customer benefits
- Certificate: FM & FM-C
- Welded and compact design for washdowns without residuals
- Surface roughness of flush process connection Ra ≤ 0.4 for highest hygienic standards
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic pressure measurements
ATM/F/Ex-Hygienic Pressure Transmitter
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Features
- Pressure measuring range: 100 mbar … 25 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -25 … 85°C
- Process temperature: -25 … 100°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel
Customer benefits- Certificate: ATEX & EAC
- Welded and compact design for washdowns without residuals
- Surface roughness of flush process connection Ra ≤ 0.4 for highest hygienic standards
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic pressure measurements
Temperature Transmitter
TS 100 - Temperature Transmitter
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Features
- Temperature measuring range: -50 … 150°C
- Operating temperature: -25 … 85°C
- Process temperature: -50 … 150°C
- Output signal: 0 … 5 / 0 … 10 VDC, 0 … 20 / 4 … 20 mA
- Materials: Stainless steel
- 850 bar compression proofed
Customer benefits
- Customised matching of the temperature measuring range
- Standardized output signal for simple implementation
- Fast customization thanks to modular product design
- Compact and reliable design
Pressure and Temperature Transmitter
ATM/T - Analog Transmitter
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Features
- Pressure measuring range: 100 mbar…1000 bar
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Temperature measuring range: -50…150 °C
- Operating temperature: -25…85 °C
- Process temperature: -40…150 °C
- 2 Output signals (p & T): 0…10 V DC, 0…20 / 4…20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Multiparameter probe with pressure & temperature
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Fast customization thanks to modular product design
- Short response time suitable for dynamic pressure measurements
ATM.1ST/T - High Precision Transmitter
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Features
- Pressure measuring range: 100 mbar … 25 bar
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -50 … 150°C
- Operating temperature: -40 … 125°C
- Process temperature: -50 … 150°C
- Output signal: 4 … 20 mA
Customer benefits
- High precision pressure and temperature sensor over the whole temperature range thanks to electronic compensation
- Selectable pressure and temperature measuring range
- Fast customization due to modular product design
- Short response time suitable for dynamic pressure measurements
PTM/RS485
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Adjustable 1:4 of the nominal range within -5% to +105% (analog output)
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -25 … 85°C
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- 2 Output signals (p & T): 4 … 20 mA
- Interface: RS485
- Materials: Stainless steel, Titanium
Customer benefits
- High flexibility due to scalalbe pressure range
- Digital (RS485) and analogue (4-20mA) output signal in one sensor
- Available as multi-parameter sensor (pressure & temperature)
- Fast customization thanks to modular product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
DTM.OCS.S - Modbus Transmitter
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Features
- Pressure measuring range: 200 mbar…100 bar
- Accuracy: ≤ ± 0.15 / 0.05 / 0.03 % FS
- Operating temperature: -40…85 °C
- Process temperature: -40…85 °C
- Interface: RS485
- Materials: Stainless steel, Titanium
Customer benefits
- High precision digital pressure sensor with standard Modbus interface
- Fast customization thanks to modular product design
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Adjustment of zero and span setting through Modbus commands
Pressure Switch
ATM/GR
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Features
- Pressure measuring range: 100 mbar … 1000 bar
- Two potential free switches (48 V, 2 A, 60W)
- Operating temperature: -25 … 85°C
- Process temperature: -40 … 150°C
- Materials: Stainless steel, Titanium
- Output signal 0 … 20 mA / 4 … 20 mA
Customer benefits
- 2 limit switches adjustable over 0 - 100% of the pressure range
- Reverse polarity and short circuit protected
- Fast customization thanks to modular product design
- Pressure swtich and analog tramsmitter in one device
- Demountable electrical connector option allow adjustment of zero and span setting in the field
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
Liquid Level Transmitter
Miniature Submersible Level Transmitters
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The miniature Depth/Level transducer and transmitter is designed with all the features and performance of the larger series but at 10mm diameter.
MTM/N 10 - Miniature Level Transmitter
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Features
- Pressure measuring range: 10…100 mH2O
- Accuracy: ≤ ± 0.50 / 0.25
- Operating temperature: -5…50 °C
- Process temperature: -5…50 °C
- Output signal: mV / 4...20 mA / 0...10 VDC
- Materials: Stainless steel, Titanium
- 10 mm outside diameter
Customer benefits
- Miniature submersible level transmitter with a diameter of 10mm
- Available in relative or absolute version
- Titanium version with PE cable for use in aggressive media
- Passive option for use in low power applications (logger)
ATM/N 19 - Miniature Level Transmitter
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: 0 … 5 / 0 … 10 VDC, 4 … 20 mA
- Materials: Stainless steel
- 19 mm outside diameter
Customer benefits
- Submersible level transmitter with a diameter of 19mm
- Fast customization thanks to configurable product design
- Compact design requires minimal space
- PTFE cable for use in aggressive media
Level Transmitters 4-20mA / 0-10V
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Fully submersible pressure transmitters designed for the long term monitoring of depth and level measurements of water are a specialist application for STS.
ATM/N - Analog Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- Output signal: 0 … 5 / 0 … 10 VDC, 0 … 20 / 4 … 20 mA
- Materials: Stainless steel, Titanium
- Cable: PUR, PE, PTFE, connactable
Customer benefits
- Fast customization thanks to configurable product design
- Titanium version with PTFE cable available for use in aggressive media
- Available with overvoltage protection
- Compact design requires minimal space
ATM.ECO/N - Analog Level Transmitter Temperature compensated
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.25 % FS
- Total Error Band: ≤ ± 0.70 %FS (-5 … 50°C)
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- Output signal: 0 … 5 / 0 … 10 VDC, 4 … 20 mA
- Materials: Stainless steel
Customer benefits
- Entry level series into precision level measurement
- Exellent long term stability allow accurate measurements over a long period
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Fast customization thanks to configurable product design
- Available with overvoltage protection
ATM/K/N - Analog Level Transmitter with Ceramic Measuring Cell
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Features
- Pressure measuring range: 1…200 mH2O
- Accuracy: ≤ ± 0.25 % FS
- Operating temperature: -5…50 °C
- Process temperature: -5…50 °C
- Output signal: 4…20 mA
- Materials: Stainless steel
- Optional surge (lightning) protection
Customer benefits
- Corrosion and abrasion resistant for use in for example wastewater applications
- Thanks to the ceramic measuring cell no damage to the diaphragm
- Reverse polarity and short circuit protected
- Compact design requires minimal space
High Precision Level Transmitters 4-20mA / 0-10V
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The ATM.1ST level transmitters are designed for depth and level measurements of ground, surface, waste, and sea water. Suitable for small size bore holes, wells, dams, irrigation, sewage lift stations, rivers and oceanography. The ATM1ST series has been specifically developed for long term monitoring in wells and other applications where high performance is important. Accuracies of 0.05% are available. The Titanium housing provides immunity to virtually all environments, especially including brackish or sea water, or other chemicals unsuitable for stainless steel.
ATM.1ST/N - High Precision Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.10 % FS
- Total Error Band: ≤ ± 0.30 %FS (-5 … 50°C)
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- Output signal: 0 … 5 / 0 … 10 VDC, 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Exellent long term stability allow accurate measurements over a long period
- Titanium version with FEP cable available for use in aggressive media
- Optional overvoltage protection
ATM.1ST/N/T - High Precision Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.10 % FS
- Total Error Band: ≤ ± 0.30 %FS (-5 … 50°C)
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- 2 Output signals (p & T): 0 … 5 / 0 … 10 VDC, 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Exellent long term stability allow accurate measurements over a long period
- Titanium version with FEP cable available for use in aggressive media
- Multiparameter probe with pressure & temperature
Chemical Resistant Submersible Level Transmitters
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STS offer Depth and Level measuring solutions for use in highly aggressive chemical environments. These are particularly suitable for chemical tank quantity and level monitoring and we encourage you to contact the factory for other requirements which are not satisfied by our standard products.
ATM/NC
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 2.0 % FS
- Operating temperature: -5…80°C
- Process temperature: -5…80°C
- Output signal: 0…5 / 0…10 V DC, 0…20 / 4…20 mA
- Materials: PVDF
Customer benefits
- Chemical resistant level transmitter made of PVDF
- This transmitter has an excellent resistance to aggressive chemicals
- Optional overvoltage protection
- Reverse polarity and short circuit protected
ATM/NC/Ex
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Features
- Certificate: ATEX
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 2.0 % FS
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: 4…20 mA
- Materials: PVDF
Customer benefits
- Certificate: ATEX
- Chemical resistant level transmitter made of PVDF
- This transmitter has an excellent resistance to most aggrassiv chemicals
- Optional overvoltage protection
- Reverse polarity and short circuit protected
Intrinsically Safe Submersible Level Transmitters - FM/FMc Certified
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The STS submersible level transmitters are approved by ATEX, IECEx, FM and FMc for use in hazardous areas. From 0-250mH2O level measurement, our submersible pressure transmitters are an excellent solution to level monitoring for indoor and outdoor applications.
ATM/N/IS - Analog Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: FM & FM-C
- Fast customization thanks to modular product design
- Titanium version with PTFE cable available for use in aggressive media
- Compact design requires minimal space
- Available with overvoltage protection
Intrinsically Safe Submersible Level Transmitters - ATEX / IECEx Certified
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The STS submersible level transmitters are approved by ATEX and IECEx for use in intrinsically safe areas. From 0-250mH2O level measurement, our submersible pressure transmitters are an excellent solution to level monitoring for indoor and outdoor applications.
TM/N/Ex - Passive Level Transmitter
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 % FS
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: mV
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic level measurements
- Unreinforced output signal
ATM/N/Ex - Analog Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel, Titanium
- Feature: Optional overvoltage protection
Customer benefits
- Certificate: ATEX
- Fast customization thanks to configurable product design
- Compact design requires minimal space
- Short response times suitable for dynamic pressure measurements
ATM.ECO/N/Ex-Analog Level Transmitter Temperature Compensated
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.25 % FS
- Total Error Band: ≤ ± 0.70 %FS (-5 … 50°C)
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- Output signal: 4 … 20 mA
- Materials: Stainless steel
Customer benefits
- Certificate: ATEX & IECEx
- Entry level series into precision level measurement
- Exellent long term stability allow accurate measurements over a long period
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Fast customization thanks to configurable product design
- Available with overvoltage protection
ATM.1ST/N/Ex - High Precision
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Features
- Certificate: ATEX & IECEx
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.10 % FS
- Total Error Band: ≤ ± 0.30 %FS (-5…50 °C)
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: 4…20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX & IECEx
- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
- Short response times suitable for dynamic level measurements
- Fast customization thanks to configurable product design
PTM/N/Ex - Programmable 4-20mA
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Adjustable 1:4 of the nominal range within -5% to +105%
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: 4…20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX
- High flexibility due to scalalbe pressure range
- Adjustment of zero and span setting through software commands
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
ATM/NC/Ex
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Features
- Certificate: ATEX
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 2.0 % FS
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: 4…20 mA
- Materials: PVDF
Customer benefits
- Certificate: ATEX
- Chemical resistant level transmitter made of PVDF
- This transmitter has an excellent resistance to most aggrassiv chemicals
- Optional overvoltage protection
- Reverse polarity and short circuit protected
Passive (mV) Submersible Level Transmitters
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The TM/N series is specifically designed for low power applications in monitoring of ground water and wastewater. The modular construction provides manufacturing flexibility and offers fast delivery for all pressure ranges and standard options.
TM/N - Passive Level Transmitter
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 % FS
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: mV
- Materials: Stainless steel, Titanium
Customer benefits
- Unreinforced output signal
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic level measurements
TM/N/Ex - Passive Level Transmitter
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 % FS
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: mV
- Materials: Stainless steel, Titanium
Customer benefits- Certificate: ATEX
- Fast customization thanks to configurable product design
- Short response times suitable for dynamic level measurements
- Unreinforced output signal
Programmable Level Transmitter
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STS offer rangeable submersible transmitters for Depth and Level applications where the maximum water level might change and maximum output resolution is required. Alternatively, they are ideal for standardizing on a single type of device to satisfy a multiple number of installations. These are generally programmable through a digital interface such as RS485.
PTM/N - Programmable 4-20mA
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Adjustable 1:4 of the nominal range within -5% to +105%
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: 4…20 mA
- Materials: Stainless steel, Titanium
- Feature: Recalibration with software possible
Customer benefits
- High flexibility due to scalalbe pressure range
- Adjustment of zero and span setting through software commands
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
- Available with lightning protection
PTM/N/RS485
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Features
- Pressure measuring range: 1…250 mH2O
- Adjustable 1:4 of the nominal range within -5% to +105% (analog output)
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -25…85 °C
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- 2 Output signals (p & T): 4…20 mA
- Interface: RS485 (Modbus RTU)
- Materials: Stainless steel, Titanium
- Feature: Recalibration with software possible, optional surge (lightning) protection
Customer benefits
- High flexibility due to scalalbe pressure range
- Digital (RS485) and analogue (4-20mA) output signal in one sensor
- Available as multi-parameter sensor (pressure & temperature)
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
- Available with lightning protection
PTM/N/SDI-12
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Features
- Pressure measuring range: 5…250 mH2O
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -25…85 °C
- Operating temperature: -5…50 °C
- Process temperature: -5…50 °C
- Interface: SDI-12 (V1.3)
- Materials: Stainless steel, Titanium
- Feature: Recalibration possible, Adjustable units
Customer benefits
- SDI-12 interface for use in low power applications
- Adjustment of zero and span setting through SDI-12 commands
- Available as multi-parameter sensor (pressure & temperature)
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
PTM/N/Ex - Programmable 4-20mA
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Features
- Pressure measuring range: 1…250 mH2O
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Adjustable 1:4 of the nominal range within -5% to +105%
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- Output signal: 4…20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Certificate: ATEX
- High flexibility due to scalalbe pressure range
- Adjustment of zero and span setting through software commands
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
Fieldbus Level Transmitters
DTM.OCS.S/N - Modbus Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.15 / 0.05 / 0.03 % FS
- Operating temperature: -5 … 80 °C
- Process temperature: -5 … 80 °C
- Interface: RS485
- Materials: Stainless steel, Titanium
Customer benefits
- High precision digital level transmitter with standard Modbus interface
- Fast customization thanks to configurable product design
- High precision pressure measurement over the whole temperature range thanks to electronic compensation
- Adjustment of zero and span setting through Modbus commands
PTM/N/RS485
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Features
- Pressure measuring range: 1…250 mH2O
- Adjustable 1:4 of the nominal range within -5% to +105% (analog output)
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -25…85 °C
- Operating temperature: -5…80 °C
- Process temperature: -5…80 °C
- 2 Output signals (p & T): 4…20 mA
- Interface: RS485 (Modbus RTU)
- Materials: Stainless steel, Titanium
- Feature: Recalibration with software possible, optional surge (lightning) protection
Customer benefits
- High flexibility due to scalalbe pressure range
- Digital (RS485) and analogue (4-20mA) output signal in one sensor
- Available as multi-parameter sensor (pressure & temperature)
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
- Available with lightning protection
PTM/N/SDI-12
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Features
- Pressure measuring range: 5…250 mH2O
- Accuracy: ≤ ± 0.25 / 0.10 % FS
- Temperature measuring range: -25…85 °C
- Operating temperature: -5…50 °C
- Process temperature: -5…50 °C
- Interface: SDI-12 (V1.3)
- Materials: Stainless steel, Titanium
- Feature: Recalibration possible, Adjustable units
Customer benefits
- SDI-12 interface for use in low power applications
- Adjustment of zero and span setting through SDI-12 commands
- Available as multi-parameter sensor (pressure & temperature)
- Fast customization thanks to configurable product design
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
Level and Temperature Transmitter
ATM/N/T - Analog Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS
- Temperature measuring range: -5 … 80°C
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- 2 Output signals (p & T): 0 … 10 VDC, 0 … 20 / 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits
- Fast customization thanks to configurable product design
- Short response time suitable for dynamic level measurements
- Available with overvoltage protection
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
ATM.1ST/N/T - High Precision Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.10 % FS
- Total Error Band: ≤ ± 0.30 %FS (-5 … 50°C)
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- 2 Output signals (p & T): 0 … 5 / 0 … 10 VDC, 4 … 20 mA
- Materials: Stainless steel, Titanium
Customer benefits- High measurement accuracy is ensured by sophisticated digital temperature compensation algorithms
- Exellent long term stability allow accurate measurements over a long period
- Titanium version with FEP cable available for use in aggressive media
- Multiparameter probe with pressure & temperature
DTM.OCS.S/N - Modbus Level Transmitter
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Features
- Pressure measuring range: 1 … 250 mH2O
- Accuracy: ≤ ± 0.15 / 0.05 / 0.03 % FS
- Operating temperature: -5 … 80 °C
- Process temperature: -5 … 80 °C
- Interface: RS485
- Materials: Stainless steel, Titanium
Customer benefits
- High precision digital level transmitter with standard Modbus interface
- Fast customization thanks to configurable product design
- High precision pressure measurement over the whole temperature range thanks to electronic compensation
- Adjustment of zero and span setting through Modbus commands
Hydrostatic Level Logger and Water Management
Level Logger
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The STS DL.OCS is an integrated pressure sensor and datalogger for level, temperature and conductivity measurement in surface and groundwater applications. It features a robust measuring cell for long term accuracy, available in stainless steel or titanium and its built in datalogger manages and stores all measurements at user-programmable intervals.
DL.OCS/N/RS485
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Features
- Pressure measuring range: 0 … 250 mH2O
- Total Error: ≤ ± 0.05 % FS (-5 ... 50°C)
- Temperature measuring range: -5 … 80°C
- Operating temperature: -5 … 80°C
- Process temperature: -5 … 80°C
- Interface: RS485
- Materials: Stainless steel, titanium
- Battery operation, Measurement interval 1s … 24h, 1.5 Mio. Measurement values
Customer benefits
- Multi-parameter probe: pressure, temperature and conductivity
- High-precision digital data logger with user-friendly software
- Thanks to the huge memory (1.5 Mio. values per channel) and the long battery lifetime (up to 10 years) the cost of ownership can be reduced to a minimum
- For varying conditions of use, 16 measuring series can be set up parallel
- Stainless steel and titanium version for use in acidic or otherwise aggressive media
Water Manager
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The STS watermanager solution is the flagship in the area of water monitoring. STS provides you with more flexibility and allows you to cost-effectively monitor your hydrological measuring network.
DL.WMS/GPRS/R/SDI-12
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Features
- Pressure measuring range: 5 … 250 mH2O
- Accuracy: ≤ ± 0.10 % FS
- Temperature measuring range: -5 … 80°C
- Operating temperature: -5 ... 80 / -5 ... 50 °C (logger)
- Process temperature: -5 … 80°C
- Radio interface: 433 MHz
- Data transfer: GSM/GPRS
- Frequency band: 850/900, 1800/1900 MHz (Quadband)
- Materials level transmitter: Stainless steel, Titanium
- Materials logger: Plastic, Stainless steel
- Feature: Battery operation, 250'000 Measurement values, Measurement interval 2s…12h, Online programmable, Housekeeping data (temperature, humidity, battery voltage)
Customer benefits
- Integrated water management solution
- Multi-parameter probe: pressure and temperature
- Various integrated communication technologies
- Inundation-resistant communication unit
- The humidity, temperature and battery lifespan of the device are constantly monitored
- Can be installed into 2'' tubes
- Web-based software solution
Accessories
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Appropriate and complementary to our sensors, data loggers, and level probes.
Applications
Water Management
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Elixir of life and force of nature: water level monitoring requires reliable measurements across long periods of time. STS provides submersible sensors and data loggers that combine precision and longevity with ease of use.
Ground and Surface Water
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STS has been a hydrologist partner for many years, and through this work we have developed the experience to become specialists in the monitoring of river, lake and ground water levels. Measuring groundwater level is critically important for identifying long term trends, including declining water levels, saltwater intrusion, seasonal variations, aquifer recharge, artificial aquifer storage and recovery, and level status for drinking water.
Water Treatment
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Since the inception of water treatment and the monitoring of dirty water, STS has provided renowned manufacturers of respective installations with sensors.
Water Supply
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STS specialises in products for the regulation of water levels and pressure regulation in the area of water supply. These are used in reservoir management as well as the monitoring of freshwater distribution.
Desalination
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STS has many years of experience in the area of desalination facilities. In these situations, STS products are primarily used in the pressure monitoring of pipe systems and water level measurement in tanks and basins.
Industrial Applications
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Whether as a supplier to the world's largest manufacturers of industrial machinery or directly as a partner on site. There is a need for various pressure ranges, appropriate accuracies, suitable electrical and mechanical connections and output signals agreed in consultation with the customer.
Machine and Plant Construction
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STS pressure transmitters and transducers are ideal for a variety of applications in machines and plant construction. Sensors from STS are installed on the harbour doors of Rotterdam Port, which protect the city against storm tides. STS has many years of experience in process automation of hydraulic monitoring and in plant construction.
Test & Measurement
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The development and optimization of new engines and machines requires extensive tests to take the next step. STS produces easily customizable, highly precise pressure sensor technology for a great variety of applications for test facilities and prototyping.
Shipbuilding & Marine
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Many global shipyards and shipping companies rely on STS level sensors for the monitoring of water, waste water and fuel tanks - particularly in ballast tank applications. STS is a major supplier in this segment due to the high reliability of its sensors and the ability to manufacture them from titanium.
Pressure sensors for gas applications
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Thanks to their high measuring accuracy and outstanding long-term stability, STS sensors are market-leading when monitoring and metering local distribution networks and gas stations.
Oil & Subsea
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STS designs and manufactures a wide variety of pressure transducers and transmitters for oil and gas applications, including onshore, offshore and subsea. Our sensors have both explosion-proof and intrinsically safe certifications, they provide the required precision and long term stability in this challenging environment.
Mining
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The pressure sensors in mining equipment must be robust, reliable and accurate. STS solutions can be found in hydraulic monitoring, pressure and temperature measurements in explosion endangered zones, and groundwater monitoring.
Aviation
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STS pressure transducers and transmitters are manufactured to meet the most demanding test and measurement specifications for the aviation industry. The product portfolio includes absolute, gauge (relative) pressure and miniature pressure sensors.
Life Science & Medical
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The highest standards of accuracy and reliability are required in laboratories and medical devices. STS products are perfectly suited to this purpose – an example is their use in pressure and measurements of dialysis equipment.
Chemical
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While accurate measurements must be taken in order to monitor processes and measure precisely, considerable demands are placed on the materials and surfaces. STS pressure transmitters for applications in the chemical / petrochemical industry offer remarkable precision, reliability and resistance when exposed to an extremely wide range of temperatures and aggressive media.