Air quality sensor for monitorung of indoor air quality
Non-dispersive infrared (NDIR) gas sensor with CO2 measuring range up to 5000 ppm
Ventilation recommendation on basis of CO2 concentration in the air
Indoor temperature display in °C or °F
Indoor humidity display
MIN/MAX value memory of last 24 hours with auto-scrolling feature
Adjustable CO2 value alert with obtional alarm sound
Adjustable alert for high or low temperature and humidity
Calibration feature for CO2
Low battery indicator
Built-in ROM memory to save settings
Backlight with adjustable brightness levels
Table standing
CO2 levels and guidelines
Below are some CO2 reference levels in general:
400~600ppm |
Background (normal) outdoor air level. |
600~1,000ppm |
Typical level for occupied spaces with good air exchange. |
1,000~1,500ppm |
Start ventilation of the room. |
1,500~2,000ppm |
Level associated with complaints of drowsiness and poor air. |
2,000~5,000ppm |
Level associated with headaches, sleepiness, and stagnant, stale, stuffy air. Poor concentration, loss of attention, increased heart rate and slight nausea may also be present. |
>5,000ppm |
Exposure may lead to serious oxygen deprivation resulting in permanent brain damage, coma, and death. |
TECHNICAL DATA
Dimensions: 94 x 145 x 50 mm
Power supply: Power supply (included)
Temperature range: 0°C - 50°C / 32°F to 122°F
Temperature resolution: 0.1°C
Humidity range: 20% - 95% RH
Humidity resolution: 1%
Operating temperature: 0°C to 50°C / 32°F to 122°F <95%, non-condensing
CO2
Measuring range: 400 - 5000PPM
Resolution: 1PPM
Accuracy: +/- 5% +50PPM
Warm-up time: 1 minute
Display out of range
CO2: 400 (≤ 400PPM)
HI (≥ 5000PPM)
Temperature: LO (≤ 0°C / 32°F).
HI (≥ 50°C / 122°F).
Humidity: 20% (≤ 20%)
95% (≥ 95%)
Default settings
CO2 Alarm: Low -400, High 2000
RH% Alarm: Low 35%, High 70%.
CO2 Sound Alarm: Off
Temperature: °C
Display brightness level: High
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