Wohler MR 400 Bedienungsanleitung Seite 43

6 Preparation for measurement
6.1 Connection of the tem-
perature clamps
Fig. 19: Connection of the temperature
clamps
6.2 Pressure zeroing
Fig. 20: Measuring display
Pressure zeroing button
Fold back the covers on the top of the unit and
•
insert the temperature plugs into the corre-
sponding sockets.
Switch on the unit.
•
After 4 s, the measuring display appears in the dis-
play.
Press and hold the pressure zeroing button to
•
zero the pressure sensor. Make sure that no
additional pressure is applied to the port during
pressure zeroing so that only the ambient pres-
sure acts on the sensor.
NOTE!
It is recommended to perform a pressure zeroing
before each measurement.
Preparation for measurement
EN
43