INFICON UL1000 Helium leak detector - Manual (Page 90)

90
Calibration
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• Make sure that the test leak is connected and opened.
• Check the leak rate printed on the test leak and compare it with the leak rate at
the display. If the leak rates are not identical press Edit leak rate (Soft Key no. 4)
and correct the value.
• If the leak rates are okay press START (Soft Key no. 8).
• No action required.
• The bargraph display shows a signal which must not vary much. If so please
press OK (Soft Key no. 8).
Fig. 7-1: External Calibration , Step 1
Fig. 7-2: External Calibration , Step 2
Fig. 7-3: External Calibration , Step 3