Honeywell HERMetic UTImeter Gtex Chem, Operation And Service Manual

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9.8
Checking the functions before using the
instrument
Before installing the HERMetic instrument as described in
section 9.9, the following tests are recommended to ensure
that the instrument is ready to work.
9.8.1 Battery
Refer to section 10.2 “Checking the battery”.
9.8.2 Temperature
Switch on the unit.
The buzzer shall beep every 2 sec.
When the temperature is displayed, check that it shows the
surrounding temperature.
9.8.3 Ullage
Switch on the unit.
The buzzer shall beep every 2 sec.
Check the ullage in a glass of water.
Check the ullage by immersing the ultrasonic gap sensor
but not the electrodes (position A); The buzzer shall beep
continuously.
9.8.4 Interface
Switch on the unit.
The buzzer shall beep every 2 sec.
Check the interface in a glass of water.
Check the interface by immersing the interface electrodes also
(position B). The buzzer shall beep intermittently.
position A
position B
Figure 9-7