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Manual
GA12
4. MEASUREMENTS
4.1. Pressure measurement
Drawing 37.
Pressure measurement test
Pressure measurement is called from the screen Action and allows to perform
fast measurement of the differential pressure. The right function key
P → 0
allows to per-
form zero the pressure sensor. The middle function key
OK
stores the currently measured
pressure. Then this measurement can be shown on the screed or printed.
Esc
function
key returns to the previous screen.
4.2. Ambient CO test
Ambient CO test is called from the screen Action. The analyser measures the
concentration of CO gas in the ambient air for the 60 seconds and stores the averaged
result from the test in the analyser's memory.
Drawing 38.
CO ambient test screen.
On enter, the Ambient CO screen shows the result from the previous test ('---'
value means there was no previous result). Press the
OK
function key to start the meas-
urement. To change the Ambient CO test settings press the
function key.
There the
threshold values can be set. If those thresholds are exceed the analyser alarms them with
the beep sound.
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