Precise and reliable measurement of oil moisture
The E+E humidity sensor elements used in the MOP301 are characterised by particularly good long-term stability and resistance to contamination. They are the basis for the high accuracy and reliability of the moisture and temperature measurement.


Versatile in Use
Mechanically, the MOP301 impresses with a robust stainless steel housing with protection class IP66, an oil-resistant cable and a moulded M12x1 plug connection. It can be used in a temperature range from -40 to 120 °C and up to 20 bar pressure.
Different probe and cable lengths as well as the slim design allow a particularly flexible installation of the MOP301. Thanks to the practical process connection with ISO or NPT thread, the immersion depth can be set precisely. With the aid of an optional ball valve, the sensor can be installed and removed without interrupting the process.
Measured values and interfaces
The MOP301 provides the moisture content of the oil as an absolute or relative value. The water activity (aw) provides information about how close the oil is to the saturation point at a certain temperature. The water content (x) indicates in absolute terms the moisture level is expressed as water content (x) in ppm, representing mg water / kg oil. Based on the measured water activity (aw) and temperature, the MOP301 calculates the absolute water content (x) in ppm.
The oil-specific parameters required for the calculation can already be preconfigured when ordering or can be stored with the help of the PCS10 Product Configuration Software.
Typical applications
Monitoring of
- transformer oil
- lubrication oil
- hydraulic oil
- diesel fuel




















革吉县|
高台县|
吉隆县|
化隆|
凤城市|
安吉县|
大足县|
兴山县|
万山特区|
汽车|
临颍县|
沽源县|
四川省|
古交市|
北碚区|
怀柔区|
招远市|
甘孜县|
宁海县|
保康县|
绵阳市|
阿拉善右旗|
临夏县|
张家港市|
镇雄县|
辽阳县|
特克斯县|
连江县|
昌乐县|
来安县|
靖江市|
舞钢市|
邵阳市|
河南省|
闵行区|
乐清市|
岚皋县|
象州县|
开化县|
辛集市|
云龙县|