Installation
21
5.9
Operating fluid temperature monitoring (option)
A resistance thermometer 34.1, which is installed at the pump dome (oil sump) is used
for monitoring the operating fluid temperatur.
Fig. 11: Install the temperature sensor
Turn off the vacuum pump, vent to atmospheric pressure and allow to cool.
Drain off operating fluid partially.
Unscrew locking screw 34 (G 1/2").
Screw in resistance thermometer 34.1; take care with O-ring.
Parameter
Resistance thermometer
Protection category
IP 65
Method of measurement
PT 100
Temperature range
-50-+400 °C
34.1
34
6
