English Datasheet

Portable Indoor Air Quality CO2 Meter
Measures Carbon Dioxide (C02) , Temperature,
And calculates statistical 8 hour and 15 minute time weighted averages
Humidity, Dew Point, and Wet Bulb
Features:
• Checks for Carbon Dioxide (CO2) 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) CO2 sensor
• Measurement ranges:
CO2: 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 CO2, 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 CO2 level in office buildings to check the air quality of
conference rooms insuring proper ventilation.
Ordering Information:
Specifications
Carbon Dioxide (CO2)
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%
CO250 ....................Portable Indoor Air Quality CO2 Meter
RH300-CAL ............33% and 75% RH Calibration Kit
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.