CO250 Datasheet, PDF (8/10 Pages) Extech Instruments Corporation. – CO2 Meter

Specifications
Function
CO2
Temperature
Humidity
Wet Bulb
Dew Point
Range
Resolution Accuracy
0 to 5000ppm
1ppm
±50ppm±5%rdg
5000 to 9999ppm 1ppm
Not specified
Pressure dependence: +1.6% reading per kPa deviation from
normal pressure, 100kPa
-10 to 60°C
14 to 140°F
0.1°
±0.6°C/0.9°F
0.0 to 99.9%
0.1%
±3%(10 to 90%)
±5%(< or > 10 to 90%)
-5 to 60°C
23 to 140°F
0.1°
Calculated from RH and
-20 to 60°C
-4 to 140°F
0.1°
Temperature
Display
Sensor Type
Operating Conditions
Storage Conditions
Power Supply
Battery Life
Dimensions / Weight
Triple LCD with backlight
CO2: NDIR (non-dispersive infrared) technology
Humidity: Capacitance sensor;
Temperature (air): Thermistor
32 to 122^oF (0 to 50^oC); < 95% RH non-condensing
-4 to 140^oF (-20 to 60^oC); <99% RH non-condensing
4 x 1.5V ‘AA’ batteries or AC adaptor (9V/1A)
approx. 24 hours (alkaline batteries)
7.9x2.7x2.3” (200x70x57mm)/6.7 oz. (190g)
8
CO250 V1.2 1/09