Residual Oil Sensor
Residual Oil Sensor Energy Saving Product And Accessories Johor Bahru (JB), Malaysia Supplier, Rental, Services | JB COMPRESSOR SERVICES SDN BHD
S 120 residual oil sensor

The new residual oil sensor S 120 monitors oil contents of compressed air and gases permanently or for spot checks when used as portable unit in conjunction with S 551. The simple installation and the outstanding performance makes S 120 the ideal choice when residual oil contents needs to be measured and monitored.

Oil free compressed air is not an easy task to be achieved. Monitoring is a must in many industries and applications to avoid contaminations in products and risks for health of humans. S 120 makes this monitoring task affordable and reliable.

For best accuracy and long term stability, the sensor applies an automatic calibration. Sensor contaminations and sensor life time are monitored and will be indicated to the user. An over range detection will remove the sampling air from the sensor to protect it against contamination.

Application

  • Medical air
  • Pharmaceuticals
  • Breathable air
  • Marine air
  • Food and beverage
  • Medical engineering
  • High speed trains
  • Semiconductor fabs
  • Conveyance of hygroscopic food
  • High tech processes
  • Electronics industry

Limits of oil vapor
Compressed air class 1 (EN ISO 8573-1): 0.01 mg/m³
Medical applications (EAB 407/1238): 0.1 mg/m³
Breathing apparatus (EN 12021): 0.5 mg/m³

Product features

  • Measures residual oil contents in compressed air and other gases
  • Can be used for permanent or in portable applications
  • Measures down to 0.003 mg/m³
  • Easy connection through sampling hose and quick connect
  • Output signals:
    – 4 … 20 mA
    – RS-485 / Modbus/RTU
    – Relay switch (NO)
  • PID sensor for highest accuracy
  • Service and Alarm indication through LED
  • Connectable to CS-iTEC displays and data loggers as well as third parties displays and control units

Technical data

Technical data S 120
Measuring range 0.003 … 10.00 mg/m³
Sensor type PID (photoionization detector)
Detection limit 0.003 mg/m³
Accuracy 5% of reading +- 0.003 mg/m³
Operating pressure 3 … 15 barg (higher pressure on request)
Gas humidity < 40% rel. humidity, no condensation
Sample flow rate < 2 l/min, measuring gas is released to ambient
Gas connection 6 mm quick connect
Electrical connection M12 connector
Sensor life time 6000 operating hours. Will be indicated. Sensor exchange by service
Gas temperature -20 … 50 ºC (at inlet)
Ambient conditions -20 … 50 ºC
Transport temperature -30 … +70 °C
Output signal 4…20 mA (0 … 10 mg/m³)
RS-485, Modbus/RTU
Relay: NO, 32 VDC / 500 mA
Power supply 24 VDC ± 5%, 8 W
Display & data logger 5” touch screen, 100 million values (option)
Application Downstream of activated carbon filters
Downstream of oil-free compressors
Wherever upstream drying and filtration is applied
Casing/dimensions PC, Al alloy, 271 X 205 X 91 mm
Classification IP65
EMC According to IEC 61326-1
Settings Various sensor settings can be performed
through CS-iTEC display units or through the
related service software
Weight 2400 g
Sample rate 1 s

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