PureAire Monitoring Systems, Inc.
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5.4 System Calibration
The Air Check Carbonyl Sulfide Monitor requires periodic calibration with the appropriate standard
gas. Calibration should be performed whenever:
•
Six months has passed without calibration
•
NOTE:
For higher accuracy more frequent dynamic gas calibration is required.
5.4.1 Gas Generation and Calibrating Kits
For generating a calibrating gas, the following supplies are recommended. They are available by
separate order.
ITEM PART NUMBER
DESCRIPTION
PACKAGING
1
* HX G2699770
Span gas 50 ppm Carbonyl Sulfide blended with air 1 bottle 105 liters
2
* SEQRFM0030CGA
RMF Regulator 0.5 SLPM preset flow rate 1 ea.
3
** 232-05A
Tedlar Sample Bag, 5-liter polypropylene fitting
2 each
* Purchase directly from: Matheson Tri-Gas Ph: 800-416-2505
** Purchase directly from SKC Ph: 724-941-9701
5.4.2 Initial Preparation and span gas preperation
NOTE:
If the instrument is connected to a controller, set the controller to Standby mode
to avoid accidental alarms.
NOTE:
If the monitor was powered off, it is recommended to warm up the Carbonyl Sulfide monitor
for 1 hour before making any adjustments to the sensor.
232-05A SEQRFM0030CGA HX G2699770