43
Maintenance
Calibration with test-gas ampoules
● Use the calibration flask (Part No. 68 03 407) – Observe the information in the
sensor data sheet.
● Follow the instructions printed on the calibration flask and enclosed with the
test-gas ampoules.
For units without a pump:
1 Fit the adapter and calibration bottle to the Polytron 7000.
● Break the test-gas ampoule inside the calibration flask.
● Wait until the measured value has settled (see the operating instructions for the
sensor for the necessary waiting period). Then carry out calibration.
For units with a pump:
— The pump adapter is already installed on the Polytron 7000.
● Insert the adapter (Part No. 68 04 620) in the calibration flask – connect the hos-
es.
● Break the test-gas ampoule inside the calibration flask and wait until the meas-
ured value has settled (see the operating instructions for the sensor for
the necessary waiting period). Then carry out calibration.
05023758_1.eps
OK
68 07 407
04923758_1.eps
OK
+
05123758_1.eps
OK
68 07 407
68 04 620
+
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