Product Name: H2 Air Quality Detector
Detection Objects: Formaldehyde, TVOC
Overall Dimension: 168*65*32 mm
2.1 Operating Environment:
Temperature Range: 0-50℃
Humidity Range: 0-90%RH
Atmospheric Pressure: 1 atm
2.2 Measurement Index and Range:
2.2.1 Formaldehyde Measurement Technical Index:
Measurement Range: 0-2mg/m³
2.2.2 TVOC Measurement Technical Index:
Measurement Range: 0-2mg/m³
Because the equipment has been sealed in the package for
1. Press the OK key for 5 seconds at first and then the buzzer will give out a"beep
2. Meanwhile, please put the detector in a ventilated place for 10 minutes and the equipment will do calibration automatically. When the backlight symbol on the display screen stops flickering, the calibration is finished.
3. If the detector has not been used for
- Gases like alcohols, carbon monoxide, hydrogen sulfide and so on will cause interference to the test of the sensor. Therefore, please keep away from such materials as alcohol cosmetics contain alcohol perfume, etc. ) cigarettes (containing carbon monoxide), smoke(containing acrylic acid) and fruits (containing ethyl alcohol) before detection.
- It's better to close the windows and doors for 10 minutes at first before testing formaldehyde in bedrooms, sitting rooms
- The detector adopts air free-flow diffusion sampling method. While the detector transfers from one room to another one, it takes a certain time to respond and the user
- The air quality detector adopts the battery to supply power. If there's no operation within 30 minutes, the detector will be turned off automatically to save the power.
3.2 Operation instructions
Turn On/Off the detector
Turn on the detect and then it will enter self-examination mode.
Press the back-light button then back-light will be on.
Re-press it, back-light will be off. They form a cycle.
If the battery level is low or the concentration of formaldehyde is over the set warning value (0.15mg/m3), the detector will send out the audible alarm. If the user intends to turn off the alarm, please press the audible alarm button.
3.3 Mode Setting
Press the mode-setting button and enter the setting mode. Set the upper-limit value for
4. 1 Please do not put the product in the environment where the temperature and humidity
4.2 Please do not disassemble the internal devices and crust of the detector.
4.3 While cleaning the detector, please use
4.4 Please do not shock or shake the product strongly.
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply contact us over online chat or email. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
Free Standard shipping in US: The products will be shipped out by USPS if you choose standard shipping at check out. Generally, it takes about 1~2 days to process the products and then 3-5 business days for delivery.
USPS Priority Mail, 2-Days Delivery: If you are urgent to receive the products, please contact us over online chat or call (+1)408-844-4070 directly. Our customer service will help you.
Worldwide Shipping: We can ship to virtually any address in the world. Generally, it takes about 1~3 business days to process the products and then 5~10 working days for delivery. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.