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formaldehyde detector

CH-20 detector with LCD display

Test items: formaldehyde in air and TVOC (containing benzene)

Detection range: 0.000--6.000

Concentration unit: mg / m3

Relative humidity: 20% to 85%

Detection temperature: 5 ℃ ~ 45 ℃

Battery: 2 * AAA

Use the method

1, Turn on/off : in the case of shutdown, press the switch button, the screen lights, complete the boot; in the boot case, long press the switch button, light, release the button to complete the shutdown.

2, after receiving the detector, put the battery into the battery box, open the instrument switch, get the outdoor cool and ventilated place.

3, put 5-7 minutes after long press the calibration key for 3 seconds, the instrument "tick" sound, calibration can be completed to detect.

4, placed in the sofa, desk, floor, bed or furniture inside, each location detection time of 5-7 minutes to 5-7 minutes reading, and then get the second location detection (no need to press the calibration key) , But also to 5-7 minutes reading shall prevail, the location test method and so on, (recommended to detect the low concentration gradually to the high concentration of detection)

5, detection is completed, placed after the shutdown in a cool dry place to store.

6, formaldehyde content of the national standard of 0.1mg / m3 (mg per cubic meter)

   TVOC national standard for 0.6mg / mЗ (mg per cubic met

Details

  • Wenzhou, Zhejiang, China
  • Wenzhou Tripod Instrument Co.,Ltd