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  1. 5 in 1 Portable CO2 Meter Air Quality Monitor TVOC HCHO Carbon Dioxide Detector.

    Large backlit LCD display, you can clearly see the amount of electricity, CO2, TVOC, HCHO, temperature and humidity. 0 ~ 2.0 mg/m³ (TVOC). 0 ~ 0.6 mg/m³ (HCHO formaldehyde). Sensor: NDIR infrared carbon dioxide sensor / semiconductor sensor.

    eBay

  2. Carbon Dioxide Detector, 5-in-1 Air Quality Detector Indoor CO2 Meter Digital.

    0 ~ 0.6 mg/m³ (HCHO formaldehyde). Large backlit LCD display, you can clearly see the amount of electricity, CO2, TVOC, HCHO, temperature and humidity. Sensor: NDIR infrared carbon dioxide sensor / semiconductor sensor.

    eBay

  3. 5in1 CO2 Meter Air Quality Detector Air Tester Carbon Dioxide Detector Tester UK

    0 ~ 0.6 mg/m³ (HCHO formaldehyde). Large backlit LCD display, you can clearly see the amount of electricity, CO2, TVOC, HCHO, temperature and humidity. Sensor: NDIR infrared carbon dioxide sensor / semiconductor sensor.

    eBay

  4. 3 IN 1 Portable LCD CO2 Meter Air Quality Carbon Dioxide Detector Tester Monitor

    Specifications: Screen type: LCD Carbon dioxide Detection Range: 400-5000PPM Carbon dioxide Detection Sensitivity: 1PPM Temp Measuring Range: 0 ~ 50 °C Temp Measurement Accuracy: ± 1 °C Humidity Measurement Range: 0% ~ 99% RH Humidity measurement accuracy: ± 2% RH Charging Modes: TYPE-C 5V Battery: Built-in lithium battery 1200mAh Size: 9 x 7 x 3cm / 3.54 x 2.75 x 1.18inch Screen: 2.8 inch Colors: White/Black Package Included: 1 X Carbon Dioxide Detector 1 X Data Cable 1 X Manual.

    eBay

  5. Portable CO2 Detector Mini Indoor Carbon Dioxide Monitor NDIR Sensor Alarm LCD

    Superior infrared NDIR sensor with high precision, strong anti-interference, and excellent stability. High-Quality CO2 Detector. INKBIRDPLUS Portable Mini CO2 Detector. 1x CO2 Detector. ● CO2 Sound Alarm Range: (default) 1500 ppm.

    eBay

  6. 5 in 1 Portable CO2 Meter Air Quality Monitor TVOC HCHO Carbon Dioxide Detector

    Large backlit LCD display, you can clearly see the amount of electricity, CO2, TVOC, HCHO, temperature and humidity. 0 ~ 2.0 mg/m³ (TVOC). 0 ~ 0.6 mg/m³ (HCHO formaldehyde). Sensor: NDIR infrared carbon dioxide sensor / semiconductor sensor.

    eBay

  7. LCD CO2 Meter Air Quality Monitor 400-5000 PPM Sensor Carbon Dioxide Detector

    Specifications: Screen type: LCD Carbon dioxide Detection Range: 400-5000PPM Carbon dioxide Detection Sensitivity: 1PPM Temp Measuring Range: 0 ~ 50 °C Temp Measurement Accuracy: ± 1 °C Humidity Measurement Range: 0% ~ 99% RH Humidity measurement accuracy: ± 2% RH Charging Modes: TYPE-C 5V Battery: Built-in lithium battery 1200mAh Size: 9 x 7 x 3cm / 3.54 x 2.75 x 1.18inch Screen: 2.8 inch Colors: White/Black Package Included: 1 X Carbon Dioxide Detector 1 X Data Cable 1 X Manual.

    eBay

  8. 5-in-1 CO2 TVOC Air Quality Meter Tester Semiconductor Carbon Dioxide Detectors

    Large backlit LCD display, you can clearly see the amount of electricity, CO2, TVOC, HCHO, temperature and humidity. 0 ~ 2.0 mg/m³ (TVOC). 0 ~ 0.6 mg/m³ (HCHO formaldehyde). Sensor: NDIR infrared carbon dioxide sensor / semiconductor sensor.

    eBay

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