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Product Description


Why choose Aqur2020 Sensor Module?
Sensor: The gas detection module can test the gas concentration to ensure timely understanding of the gas content in the environment.
Great Accuracy: Comes with 5‑500ppm measurement range, the gas sensor also supports automatic calibration for easy and high accuracy.
Quick Response: Fast in response, the sensitive detection sensor with power and TTL signal output indicators can give you reliable results.
Stable Outputs: Designed to have DO switch signal TTL output and AO analogue signal output, the analogue output voltage changes with concentration.
Better Utility: Able to connect to single chip microcomputer or relay module, which are not included, the gas sensor module enables wide application.

Specification:
Item Type: Sensor Module
Power Consumption and Current: 150mA
DO Output: TTL digital quantities 0 and 1, 0.1V and 5V.
AO Output: Analog Level Signal
Detection Range: 5-500ppm
Working Temperature: -10~50℃, 20℃ nominal temperature.
Humidity: 95%RH, 65%RH nominal humidity.
Package List:
1 x Sensor Module
Wiring Method:
1. VCC: Connected to the positive pole of the 5V power supply.
2. GND: Connected to the negative pole of the power supply.
3. DO: TTL switch signal output.
4. AO: Analog signal output.
Note:
1. After the sensor is powered on, it needs to be preheated for about 20s to stabilize the measured data. Heating the sensor is normal since there is an electric heating wire inside, and if it is hot, it is considered abnormal.
2. Avoid long term exposure to harsh environments. Whether the sensor is powered on or not, prolonged exposure to adverse environments such as high humidity, high temperature, and high pollution can seriously affect the performance of the sensor.
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