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Display and Measurement| display | Dual multifunction LCD |
|---|---|
| CO2 measure range | 0 to 9, 999 ppm |
| CO2 accuracy | ± (75 ppm + 5% of reading) 0 to 2, 000 ppm |
Operating Environment| operating temperature | 0 to 50°C (32 to 122°F); 0.1° resolution |
|---|---|
| operating relative humidity | 0 to 95% RH (avoid condensation) |
| relative humidity accuracy | ± 5% of rdg at 25°C (77°F) otherwise ±7% RH |
Temperature Ranges| dew point temperature range | ‐72.9 to 47°C (‐99.22 to 118°F); 0.1° resolution |
|---|---|
| wet bulb temperature range | ‐11 to 48.2°C (12.2 to 118.8°F); 0.1° resolution |
| temperature accuracy | ± 1°C (1.8 °F) |
Storage Conditions| storage temperature | ‐20 to 50°C (‐4 to 122°F) |
|---|---|
| storage humidity | 0 to 95% RH (avoid condensation) |
| dimensions | 211 x 60 x 40 mm (8.3 x 2.4 x 1.6") |
Power and Weight| power | AAA batteries x 6 pcs or AC adaptor |
|---|---|
| weight | 181.4 g (6.4 oz.) |
Instructions for powering the meter on/off and managing the alarm beeper.
How to disable the automatic power-off function on the meter.
Viewing different measurements, readings, and display options.
Step-by-step guide for self-calibration and ABC function.
Adjusting the high CO2 alarm threshold and its default value.
Downloading and utilizing the Extech meter's PC software.
Procedures and safety tips for replacing meter batteries.
Interpreting and resolving specific error messages shown on the meter.
Information on professional calibration and repair services offered.
How to reach customer support for technical assistance and inquiries.
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