OS 120

The oil vapor sensor OS 120 monitors oil contents of compressed air and gases permanently or for spot checks. The simple installation and the outstanding performance makes OS 120 the ideal choice when oil vapor 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. OS 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.

oil vapor sensor OS 120


measuring range
0,003 to 10,00 mg/m3
operating pressureto 15 bar


• General compressed air systems
• Downstream of activated carbon filters
• Downstream of oil-free compressors
• Wherever upstream drying and filtration is applied

Technical data

residual oil sensor os 120


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