Technical Instructions for
Correlation Sensors
Page 52
Correlation Sensors – Rev. 07 as of 20.04.2016
®
5.9
Pressure compensation element for POA- and CS2- sensors
WARNING
Penetration of moisture
Operating sensors with integrated pressure measurement cell without pres-
sure compensation element for a longer period of time may lead to irreversi-
ble damage of sensor electronics.
Use NIVUS pressure compensation elements exclusively to operate sensors
with integrated pressure cell.
Sensors with integrated pressure measurement cell and sensor connection
types „F“ or „S“ have a configured plug, type „F“ additionally have a preconfig-
ured filter element, which works as a pressure compensation element (see Fig.
5-26). This sensor cables shall not be extended.
For sensors with pressure measurement cell (types V1D, V2D, V1U, V2U see
Fig. 2-12) the maximum uninterrupted cable length is 30 m (90 ft). For cable ex-
tension a connection box with pressure compensation (pressure compensation
element) has to be installed.
This pressure compensation element has to be installed even if the cable of a
sensor with integrated pressure measurement cell is connected directly to the
OCM Pro transmitter.
It is available directly from NIVUS under order article no. >ZUB0 ZDAE<.
1
Sensor cable
2
Filter element
3
Plug
Fig. 5-28
Connection plug with air filter for connection to PCM
