Professional Handheld HCHO TVOC Air Quality Tester - Indoor Air Pollution Detector with LED Display for Home, Office & Car Safety Monitoring

Product Description

Specifications: Condition: Brand New Usage: Home Use HCHO and TVOC Air Quality Detecting Shell Material: ABS Main Color: White Detecting Range: 0.000-1.999mg/m3 Measurement Accuracy:0.001 Storage Temperature: -20~70 Working Voltage: 2.4-3.0V Power: AA Battery x 2 (not included) Concentration Unit: mg/m3 Collection Method: Diffusion Type Detecting Temperature: -20~70 Size: Approx. 6.3 * 14.2cm / 2.5 * 5.6in Thickness: Approx. 2cm / 0.8in Package Weight: 155g Usage: 1. There will be about 200 seconds warm-up after turning on the device, then press the right button and hold for 5 seconds, release after hearing "Beep......", then start air test. When concentration is no higher than 0.01, the air quality is good. When concentration is over 0.1mg/m3 and TVOC is over 0.6mg/m3, the is overproof, alarm indicating light will turn from green to red, that suggests to open the door for good ventilation. When concentration is more than 0.3mg/m3, the is overprood seriously, buzzer will give an alarm. We suggest to open the window for good ventilation at once, and pay more attention to test constantly. 2. Press on/off switch for 3 seconds for turn on/off the device. 3. We suggest to turn off the device immediately after use to save power. Package List: 1 * Detector (exclude battery).