USER MANUAL NOVAplus
MRU GmbH, D-74172 Neckarsulm 48 / 95
7.4. CO purging (optional)
If the CO ppm limit is reached the analyzer will start the CO purging
pump to protect the CO sensor from getting saturated with CO. Other
values will not be affected while the CO sensor is being purged.
If the CO ppm limit is reached the CO purging symbol will be displayed.
The CO sensor will be purged. The displaying of a measuring value does
not occur any more.
The „>“symbol shows, that the COlimit value is exceeded.
The purging does not stop automatically; it must be turned off by the
user. Press the “Folder” menu key and select “purge pump off” to cancel
the CO purging function as soon as the CO value fall below the CO limit.
7.5. CO/H2 and CO high (optional)
If that exceeds CO the CO threshold, then to CO high, the measured
value is red indicated - also the calculated values - is switched.
The CO value exceeds 10.000 ppm to % is in such a way switched (ex-
ample 1.00%).
If the CO value sinks below the CO threshold, then the red CO value be-
comes again black
Starting from this moment the purge pump can be switched off over
the menu key.
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