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2.2 Current calibration 

This procedure must only be done when using new sensors. You can find the sensor specific 
current on the sensor label. 
Push the “

Cal” 

button

 while “ICAL”

 is active on the display. 

Now the display shows the current of the sensor that has most recently been used. If the current 
on the display is correct, confirm it by moving the switch to 

“ON”,

 or alter by pushing and 

holding the 

“Cal” 

button. 

 
 

2.3 Oxygen sensor 

The calibration procedure is the same as above, but you can use fresh air as span gas. Fresh 
air always contains 20,9 % oxygen. Zero can be adjusted with pure Nitrogen 

(GCAL)

 or 

electronically 

(ICAL)

 
 
 
3. Alarm thresholds 

Compur Monitors recommends to strictly observe the local regulations for the alarm thresholds. 
Open the instrument. Use proper safety measures for handling CMOS components. 
Place switch in 

“TEST” 

position.

 

Following the normal self test which occurs when powering on, push button “A1”. The display 
will now show the active alarm threshold and an arrow. To increase the threshold push and hold 
“A1”. To decrease the threshold push and hold ”A2”. If the desired alarm threshold appears on 
the display release the button and thus save the new value. Now move the switch into position

 

“ON”

 
Follow the same procedures for setting the alarm threshold for A2. 
 
 
 

 

 
 
 
 
 
 
 
 
 
 
 
 

 

 

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Страница 1: ...Operating Instructions Compur Monitox plus Subject to changes without notice Copyright Compur Monitors M nchen Editor Compur Monitors GmbH Co KG Weissenseestr 101 D 81539 M nchen...

Страница 2: ...of device certified for group II category 2 Its intended use is the measurement of toxic gases or oxygen Designed with increased safety it is applicable in zone 1 and zone 2 Please observe the followi...

Страница 3: ...ntly high concentrations z Wear the instrument near the breathing zone using the clip or neck chain z The filter cap should be protected from dripping water and exposure to excessive dust z The Monito...

Страница 4: ...ve 2 1 Gas calibration Place Monitox plus gas adapter part 569747 securely on the filter cap Connect span gas NOTE If using HCN Cl2 or other corrosive gases use non porus tubing such as Tygon lined wi...

Страница 5: ...20 9 oxygen Zero can be adjusted with pure Nitrogen GCAL or electronically ICAL 3 Alarm thresholds Compur Monitors recommends to strictly observe the local regulations for the alarm thresholds Open th...

Страница 6: ...t calibration 4 3 Battery replacement Open the instrument Disconnect and remove the battery pack Remove battery pack cover Replace the batteries Observe the proper polarity as is illustrated on the ba...

Страница 7: ...ion data Temperature is out of range This message is displayed for a short time interval Then the Monitox will go on to operate z The instrument operates out of the temperature compensated range Bring...

Страница 8: ...libration Current calibration Intermediate display when the operation mode has been altered and during the self test Self test in process Battery pre alarm Batt and the actual measured value alternate...

Страница 9: ...nder which our products are used are beyond our control Therefore the user must fully test our products and or information to determine suitability for any intended use application condition or situat...

Страница 10: ...10...

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