Daily Operation
6. When
appears, close the cylinder
valve.
7. When the bump test is successfully completed,
appears. If it fails,
appears with the
flashing non-compliance symbol
.
8.
appears with the number of remaining
days until the next bump test.
9. Remove the calibration cap from the detector.
If repeated attempts continue to fail, perform a calibration.
2.8
Zeroing the Gas Detector
Because usage environments vary, there are many factors that may af-
fect the performance of the gas detector, including temperature and hu-
midity changes as well as dust. If the ambient air is not clean, gas read-
ings might be inaccurate. For optimal performance, zero the gas detector
once every 24 hours or after changing of environmental conditions.
Make sure that the ambient air is clean and free of hazardous gases be-
fore starting this zeroing procedure.
1. Press the button twice in succession to get into the
menu, skip ahead to
by repeat-
edly pressing the button, and then press and hold
the button to initiate a zeroing process.
2.
appears with the flashing zeroing symbol
. Wait until this zeroing process is com-
pleted.
3. When the zeroing process is successfully com-
pleted,
appears.
If repeated attempts continue to fail, contact Honeywell Analytics or your
distributor for technical assistance.
15
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