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