98
8009389/YN39/V3-0/2015-08| SICKOPERATING INSTRUCTIONS|GM35
Subject to change without notice
TEST GAS MEASUREMENT WITH GPP MEASURING PROBES
8.2 Manual gas test
The following equipment must be available for the manual test method:
Equipment • Test gas cylinders (N
2
and gases to be tested), concentrations according to the selected
measuring range.
• Pressure gauge / pressure reducer.
• 1/4" supply line with Swagelok screw fitting.
Preparations • Fit pressure gauges/pressure reducers to the gas cylinders and secure the cylinders
against falling over.
• Connect the line between pressure reducer and test gas connection (1st connection) on
the GPP.
• Set the pressure gauge to the default pressure (see On-off preliminary measurement/
determining the settings).
Perform measurement Evaluation unit
1 Switch to Calibration mode and select menu item Manual Test.
– Choose the test gas, e.g., N
2
as zero gas and
– start measurement with Enter
2 Open the valve on the pressure reducer fully.
3 Note the measured value display on the EvU and, if required, save the values with save.
4 Close the valve on the pressure reducer; close the gas cylinder.
5 Repeat the procedure (preparation and measurement) with the other required test
gases.
6 Switch to Measuring mode.
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