S120

S120 Oil Vapor Monitor for Compressed Air Purity Measurement

Precise measurement of oil contents in compressed air and gases, permanently or for spot checks.

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Plug & Play oil vapor monitoring solution

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Optional integrated 5” touch screen display

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Oil vapor measurement in a range of 0.001 to 5.000 mg/m3

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Integrated data Logger for online monitoring and printing

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Latest PID sensor technology for fast response time

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Integrated dew point sensor option: -100 ... +20 °C Td

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Various connection options for software and BMS

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For Compressed Air, Nitrogen N₂, Carbon dioxide CO₂

The S120 Oil Vapor Sensor monitors oil vapor contents of compressed air and gases permanently or for spot checks when used as a portable unit with the S551 Portable Data Logger.

With simple installation and the outstanding performance of the S120 it makes it the ideal choice when residual oil vapor contents need to be measured. The built-in PID sensor provides highest accuracy for reliable oil vapor monitoring.

Ensure Your Compressed Air Quality

Oil free compressed air is not an easy task to be achieved. Monitoring oil vapor content is a must in many industries and applications to avoid contamination in products and risk to health of humans. The S120 makes monitoring oil vapor in a range of 0.001 to 5.000 mg/m3 affordable and reliable. Just connect your compressed air system through sampling hose and quick-connector.

Display Option and Various Output Signals

The optional integrated 5” touch screen display with data logger function help to easily view and store data.

Various output signals, such as 4 … 20 mA (isolated); Modbus/RTU (RS485); Modbus/TCP (Ethernet) and USB, can be used to easily connect the S120 Oil Vapor Monitor to SUTO Data Loggers and Displays or central building management systems.

Integrated Automatic Calibration

The integrated automatic calibration compensates temperature and humidity drifts in the supplied air resulting in accurate, reliable and stable measurement results over a long period of time.

Optional integrated Dew Point Sensor

To ensure compressed air quality and purity, further from oil vapor monitoring, dew point measurement is an essential key parameter. Therefore, we offer an optional integrated Dew Point Sensor (-100 … +20 °C Td) to measure both parameters in one compact device with an excellent price performance ratio

SUTO Exchange Service

The exchange calibration service eliminates downtime and enables users to have a seamless record of their oil vapor monitoring. Please find more information here.

If you need advice for the use in your application or if you have further questions, please contact us here. We are happy to find the best possible solution for you.

Permanent monitoring of oil content in compressed air and gas systems to ensure crucial processes in:

  • Medical air
  • Pharmaceuticals
  • Food and beverage
  • Semiconductor fabs
  • High-tech applications

S120

Manuals
S120
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S120

Info sheets
S120
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S120 / S120 AMBIENT – CE & UKCA DECLARATION OF CONFORMITY

CE / UKCA DOC
S120 / S120 AMBIENT – CE & UKCA DECLARATION OF CONFORMITY
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MESSUNG

Oil Vapor
Measuring range0.001 ... 5.000 mg/m³ (Based on 1000 hPa(a), 20 °C, 0 % relative humidity)
Accuracy5 % of reading ± 0.003 mg/m³
Resolution0.001 mg/m³
Selectable unitsmg/m³ / ppm
Sensor principlePhoto ionization detector
Pressure
Measuring range0 ... 16 bar(g)
Accuracy0.5 % FS
Resolution0.01 bar(g) / 0.001 MPa / 0.1 psi
Selectable unitsbar(g) (default), MPa and psi (on request)
Sensor principlePiezo resistive pressure sensor
Dew Point (optional)
Measuring range-100 ... +20 °C Td
Accuracy±1 °C Td (0 ... 20 °C Td)
±2 °C Td (-70 ... 0 °C Td)
±3 °C Td (-100 ... -60 °C Td)
Resolution0,1 °C Td
Selectable units°C Td / °F Td
Sensor principleQCM + Polymer
Temperature
Measuring range0 ... 50 °C
Accuracy0.5 °C
Resolution0.1 °C
Selectable units°C / °F
Sensor principleNTC

SIGNAL INTERFACE & SUPPLY

Outputs / Interface
Analogue output4 ... 20 mA, isolated
Alarm outputRelay, NO, 40 VDC,0.2A
Digitale SchnittstelleModbus/RTU (RS485)
Modbus/TCP (Ethernet) & USB
(only available for display version)
Display (optional)5” color touch screen with a data logger of 30 million measurement values
Supply
Power supply24 VDC ± 5 %, 10 W

GENERAL DATA

Measuring mediumCompressed air, N2, CO2 (for other gases please contact us)
Sample flow rate< 2 l/min, measuring gas is released to ambient
Sample rate1/sec
Gas / Operating temperature-20 ... +50 °C
Transport temperature-30 ... +70 °C
Operating pressure3 ... 15 bar(g)
0.5 ... 2 bar(g) (optional)
0.60 ... 1.07 bar(a) (ambient version only)
Gas humidity< 40 % rel. humidity, no condensation
Gas connection6 mm quick connect
UV lamp lifetime6,000 working hours or 1 year, whichever comes first
Electrical connectionM12, USB, RJ45
SettingsVarious sensor settings can be performed through SUTO display units or through the related service software
Housing materialPC, Al alloy
Protection classIP65
Dimensions271 x 231 x 91 mm
Weight2.4 kg
ApprovalCE

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