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Extech CO240: Indoor Air Quality, Carbon Dioxide (CO2)
Model: Extech CO240
Single Gas Portable Meters
Extech
The CO240 measures Carbon Dioxide (CO2), Air Temperature and Humidity, as well as Dew Point and Wet Bulb calculations.
- Dual display of Carbon Dioxide (CO₂) concentrations and Relative Humidity, Temperature, Dew Point, or Wet Bulb
- Maintenance free NDIR (non-dispersive infrared) CO₂ sensor
- Audible CO₂ warning alarm when concentration level exceeds high user set point
- Min/Max CO₂ value recall function
- Includes software and cable for on-line (real-time) datalogging to a PC
- Automatic Baseline Calibration function
- Data Hold, Auto Power Off (with disable), Low battery indicator
- Tripod mount (tripod sold separately)
- Complete with six AAA batteries, USB cable, PC software, and soft case
| Specifications | Range | Resolution | Basic Accuracy |
|---|---|---|---|
| Carbon Dioxide (CO₂) | 0 to 9,999ppm | 1ppm | ±(5%rdg + 75ppm) |
| Temperature (Air) | 14 to 122°F (-10 to 50°C) | 0.1°F/°C | ±2.0°F (1.0°C) |
| Relative Humidity | 10 to 90%RH | 0.1%RH | ±5%RH @ 25°C |
| Dew Point | -99.2 to 118°F (-72.9 to 47°C) | 0.1°F/°C | |
| Wet Bulb | 12.2 to 118.8°F (-11 to 48.2°C) | 0.1°F/°C | |
| Dimensions | 8.3x2.4x1.6" (211x60x40mm) | ||
| Weight | 6.4oz (181.4g) | ||
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