Digital CO2 Sensor PPM Meters Mini Carbon Dioxide Detector Gas Analyzer Air Quality Monitor USB Detector TVOC HCHO Dropship
OOTDTY Features :
1. HCHO (formaldehyde) detection concentration value range:
0~1.999mg/m©ø;
2. The range of concentration values ??detected by TVOC:
0~9.999mg/m©ø;
3. AQI air grade: 1~6
4. There is an over-standard alarm prompt;
5. There is low voltage shutdown;
6. Lithium battery power supply (built-in non-removable)
Instructions :
(1) Turn on/off:
Power on: Press and hold the power button for 1 second, and at the same time
Turn on the phone after hearing a beep.
Shut down: Press and hold the power button for 5 seconds, then you hear
Turn off after a beep.
(2) Preheating:
After power on, there will be on the LED screen every time
200 seconds automatic countdown. This is the formaldehyde sensor inspection
Measure the preheating process.
(3) Calibration:
After turning on, put the detector outside the window for ventilation
Place for more than 10 minutes, and then quickly press calibration
Press key 3, the instrument emits a beep (calibration successful),
The data on the LED screen will return to: 0.000 calibration
carry out.
(4) Detection:
After the calibration is complete, place the detector
Under the measurement environment, the current value is the detected value,
If the standard is not exceeded, the instrument does not emit a beep.
The standard values ??of formaldehyde and TVOC are:
HCHO (formaldehyde): standard¡Â0.10mg/m©ø
TVOC: Standard¡Â0.6mg/m©ø
Specifications:
Main color: White
Material: ABS
Screen size: 2.8in
Detect error: £¼15£¥
Battery: 3.7V, 1000mAh
Charging standard: 5V, 1A
Standby time: about 240-360min
Temperature: 18-50¡É
Humidity: 10-70% HR
Monitor fluctuate: 20%-50%
Item size: 14x4x3.6cm
Package list:
1 * Air Quality Tester
1 * USB Cable
1 * User Manual
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