Portable Indoor Air Quality CO
2
Meter
Measures Carbon Dioxide (C0
2
) ,
Temperature, Humidity, Dew Point, and Wet Bulb
And calculates statistical 8 hour and 15 minute time weighted averages
Features:
•
Checks for Carbon Dioxide (CO
2
) concentrations
•
Calculates statistical weighted averages of TWA (8 hour time
weighted average) and STEL (15 minute short term exposure limit)
•
Maintenance free NDIR (non-dispersive infrared) CO
2
sensor
•
Measurement ranges:
CO
2
: 0 to 5,000ppm
Temperature: 14 to 140°F (-10 to 60°C)
Humidity: 0.0 to 99.9%
•
User programmable audible alarm
•
Backlit triple LCD display
•
Built-in RS-232 interface for capturing readings on PC
•
Data acquisition software and cable included to record
and document CO
2
, Humidity and Temperature data
•
Optional 33% and 75% RH calibration bottles (RH300-CAL)
•
Complete with software and cable, 4 AA batteries,
and carrying case
Applications:
•
Check air quality in schools, office buildings,
greenhouses, hospitals and anywhere that high
levels of carbon dioxide are generated
Measure CO
2
level in office buildings to check the air quality of
conference rooms insuring proper ventilation.
Ordering Information:
CO250
....................Portable Indoor Air Quality CO
2
Meter
RH300-CAL
............33% and 75% RH Calibration Kit
Specifications
Carbon Dioxide (CO
2
)
Temperature
Humidity
Wet Bulb and Dew Point
Dimensions
Weight
Range
0 to 5,000ppm
14 to 140°F (-10 to 60°C)
0.0 to 99.9%
Calculated
7.9x2.7x2.3” (200x70x57mm)
6.7 oz. (190g)
Resolution
1ppm
0.1°F/°C
0.1%
www.extech.com
Specifications subject to change without notice.
6/24/09 - R1
Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
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