CO2 meter / Battery operation / Alarm limits / 400 … 5000 ppm / Temperature measurement / Visual and acoustic alarm / Automatic switch-off / USB charging / Units can be changed / LC display / Temperature range -10 … 50°C (4 … 122°F)�
– CO2 measurement
– Battery operation
– Limit exceeded
– Backlight
– Air temperature
– Table housing
– Humidity
– Beep
Measuring range CO2 | 400 … 5000 ppm |
Resolution | 1 ppm |
Accuracy | ± (5% + 50 ppm) between 400 … 2000 ppm |
and an atmospheric pressure of�1013 mbar | |
Measuring range temperature � | -10.0 … 50.0°C / 14 … 122°F |
Resolution | 0.1°C / 0.18°F |
Accuracy | ± 1°C / 1.8°F |
(can be influenced by its own waste heat) | |
Measuring range humidity | 0 … 99% rh |
Resolution � | 1% rh |
Accuracy� | ± (5% at 25°C / 77°F) between 10 … 90% rh |
Sensor | NDIR principle |
ABC | Automatic baseline correction |
Audio alarm | Buzzer |
Visual alarm | Red backlight |
Display | 3 inch LC display |
battery indicator | Four-level display |
display frequency | 3 seconds |
Automatic shutdown � | turns itself off after 2 hours |
Backlight | White backlight |
Working conditions | 0 … 50°C / 32 … 122°F, 0 … 85% rh |
Storage conditions | -20 … 60°C / -4 … 140°F, 0 … 95% rh |
Power supply | Built-in 3.7V DC battery |
Weight | 195 g / < 1 lb |
Dimensions | 75 x 55 x 130 mm / 3 x 2.2 x 5.1 in |
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