The Extech CO240 Indoor Air Quality Meter is equipped with a maintenance-free NDIR (non-dispersive infrared) CO2 sensor. It can measure and log CO2 concentration, as well as air temperature and air humidity. The Extech CO240 Indoor Air Quality Meter features the following measurement ranges:
The Extech CO240 Indoor Air Quality Meter can also calculate dew point and wet bulb and includes a user-configurable CO2 alarm which will issue an audible beep when the CO2 concentration exceeds the upper limit.
In addition to this, the Extech CO240 Indoor Air Quality Meter features a Min/Max CO2 Value Recall function, a Data Hold function, an Automatic Baseline Calibration function, an Auto-Power Off function and a low-battery indicator. The Extech CO240 Indoor Air Quality Meter is powered by six AAA batteries (included).
The Extech CO240 Indoor Air Quality Meter is also supplied with a USB cable and PC software which enables data to be logged to a PC in real-time. Via the Extech CO240 Indoor Air Quality Meter’s display, the user can view the CO2 measurement as well as the air temperature or humidity, dew point, or wet bulb.
The Extech CO240 Indoor Air Quality Meter is ideal for monitoring air ventilation and quality. It is also particularly well-suited to conducting quick CO2 checks and can be used to help maintain optimal environmental conditions in greenhouses.
Specifications | Range | Resolution | Basic Accuracy |
Carbon Dioxide (CO2) | 0 to 9,999ppm | 1ppm | ±75ppm+5% of reading |
Temperature | 14 to 122°F (-10 to 50°C) | 0.1°F/°C | ±2.0°F/1.0°C |
Humidity | 10 to 90%RH | 0.1%RH | ±5%RH (@ 25°C) |
Dew Point | -99.22 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/Weight | 8.3x2.4x1.6" (211x60x40mm)/ 6.4oz (181.4g) |