Product Name: H2 Air Quality Detector
Detection Objects: Formaldehyde, TVOC
Overall Dimension: 168*65*32 mm
2.1 Operating Environment:
Temperature Range: 0-50¡æ
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?
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 login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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