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User's Guide
CO
2
Meter
Model CO250
Introduction
Congratulations on your purchase of this Model CO250 Meter. This meter measures
CO
2
(Carbon Dioxide) levels, air temp., dew point, wet bulb temperature and humidity
and is an ideal instrument for indoor air quality (IAQ) diagnosis. This meter is shipped
fully tested and calibrated and, with proper use, will provide years of reliable service.