JD-3002 CO2 Air Quality Temperature Humidity Detector

JD-3002 CO2 Air Quality Temperature Humidity Detector

Instrument instructions:

1. After the test, the power of the equipment must be turned off to avoid accidents

2. Prevent the instrument from violent vibration

3. After placing the instrument for a long time, the odor gas will accumulate in the instrument, which will seriously affect the test results, in this case, the instrument must be placed in a cool and ventilated place, and then used for more than 1 hour (no operation is required during the ventilation process instrument)

4. The expired and defective products should be repaired in time.

5. Avoid shocking the sensor with gas higher than the measurement range, otherwise it may damage the sensor, and man-made damage is not covered by the warranty

Instrument introduction:

1. Digital temperature and humidity sensor

2. LCD display

3. Mute on: Turn on or off the alarm sound. In the silent mode, the " " symbol is not displayed and there is no alarm sound. The default is to turn on the sound

4. "+" on: When setting the alarm value, increase the value.

5. Power on: long press for 2 seconds to turn on or off the power, when power on, the number field counts down from 120

6. Temperature unit selection on: Celsius and Fahrenheit conversion

7. "-" on: When setting the alarm value, decrease the value

8. Setting on: Short press this on to set the alarm value of "CO2→TVOC→HCHO" in sequence, the factory setting value will be displayed and flashing, and the will be adjusted by the "+" on and "-" on, and the value will be displayed after 10 seconds. automatic storage

9. Power supply: DC5V built-in 1800mAh lithium battery

10. Dimensions: 195x95x35mm

11. Toolbox pack weight: 480 grams

Display content introduction:

1. Alarm sound: press the "mute on" to operate

2. CO2 measurement range: 350ppm～2000ppm

3. TVOC measuring range: 0.000 mg/m3～2.000 mg/m3

4. HCH

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