3in1 CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector for Sale

3in1 CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector For Sale

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3in1 CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector:
$12.99

Specifications: Color: Black Material: ABS + PC Measurement object: carbon dioxide, HCHO, TVOC, temperature and humidity CO2 Detection Range: 400-5000PPM, ±50±5%PPM CO2 Detection Sensitivity: 1PPM TVOC Detection Range: 0-2.0mg/m³ Temp. Measurement Range: -10-50℃ Temp. Measurement Accuracy: ±1℃ Humidity Measurement Range: 0-99%RH Humidity Measurement Accuracy: ±2%RH Charging Mode: 5V, 1A Battery: 1 * 18650 Battery, 3.7V/1200mAh Item Size: 90 * 70 * 35cm/ 3.5 * 2.8 * 1.4in Weight: About 0.135kg Packing List: 1 * CO2 Detector 1 * USB Cable 1 * User's Manual

Product Description:
[Technical principle] Semiconductor CO2 sensors use electrochemical principles to convert CO2 gas into electronic frequency using specific chemical reactions. Sensor consists of the main reactor, electrolyte and electrode. When the CO2 gas passes through the reactor into the sensor, a reduction reaction occurs at the electrode, generating a current. By measuring the size of the current, can determine the concentration of CO2.
[Easy to Carry&Use] compact size body, hollow design, easy to carry and ventilation. Press and hold the "On" button on the right for 3 seconds to turn the CO2 monitor on and off. You can then press the "Switch" button to change the temperature mode (°C to ° F).
[Universality]The role of CO2 detector in daily life is mainly to detect the CO2 content in the air and help people advance the air quality. If the air quality is poor, people will take measures to improve the air quality and ensure people's healthy life. So in school classrooms, offices, cars, hotels, kitchens, gyms, and other crowded places, CO2 sensors can come in handy.
[Note] This air quality monitor is designed for indoor spaces. Please close the doors and Windows before the exam. Otherwise, the data may be inaccurate. We recommend that you let it work for at least 60 minutes before reading the data.

CO2 DataIndicator:
0~799ppm Green FlaSh,
800~1199ppmYellow Flash,
1200~1599ppmOrange Flash,
1600~1999ppmRed Flash,
Over 1999ppm ALLFlash.

Specification:
Color: Black
Charging Type: USB Type-C 5VInterface
CO2 Detection Range: 400~5000PPM
CO2 Detection Sensitivity: 1PPM
Battery Capacity: 1200HMA
Applicable Temperature:1℃~+70℃
Size: 90*70*40mm/3.54*2.75*1.57in
Sensor: Semi-conductor Sensor

Package Included:
1x 3 in1 Air Quality Detector
1x USB Wire
1x Manual