21
2.0
Operation
+
Connect your pressure gas bottle, pressure reducing device
and pressure hose at the back side of the instrument.
+
All of the release switches are in a closed switching position
(down).
+
Finally open the pressure reducing device and set a pressure
of max. 1 bar.
2.1
Checking of Pump Capacity
+
Make a hose connection between the test instrument and test
(item 1).
+
Turn the air release switch (item 7) to:
down
-
for synthetic air
up
-
for fresh air.
+
Switch on the pump (if available) and read off the pump
performance (l/h) on the flow indicator (item 6) and enter
result into test record of your instrument (part of the Operating
Instructions).
2.2
Instruments with Test Gases 10 ppm CH
4
+
Testing of the pump performance must have been completed.
+
Leave pump running and adjust quantity of test gas with the
needle valve according to the read-off pump performance.
