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Part No.	: ELE-WA1608510272
Manufacture No.	: MQ137

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รายละเอียดสินค้า: Ammonia detection sensor MQ137 module NH3 gas module

Product Name: MQ-137 sensor ammonia, NH3 gas module with shell

Technical parameters:

1, the heating voltage: 24V ± 0.2V (AC · DC)

2, Working current: 150mA

3, loop voltage: ≤DC15V (maximum DC15V)

4, the output voltage: Default 0-10V (resistance than the corresponding concentration of output) selectable 0-5V

4, load resistance: 1K (adjustable)

5, detection concentration range: 10-300ppm (different range of different gas concentrations)

6. Clean the air Voltage: ≤1.5V

7. Sensitivity: ≥3%

8. Response time: ≤1S (preheat 3-5 minutes)

9, Response time: ≤30S

10. Component Power: ≤1W

11, the working temperature: -10 ~ 50 oC (nominal temperature 20 oC)

12, Humidity: 95% RH (nominal humidity 65% RH)

13, life: 5 years

14, size: 65mm X 45mm X 40mm

15, weight size: 40g

Product Features

1, with analog signal output;

2, the output signal range can be adjusted, optional 0-5V / 0-10V (default 0-10V), the output signal can be connected to PLC, etc;

3, corresponding analog output voltage changes, the higher the concentration, the higher the voltage;

4, has a good sensitivity for ammonia;

5, long life, good stability;

6, with a rapid response recovery characteristics

Application:

Suitable for families, factories, underground workshops, mines and other alcohol leak detection, and more for the environment alcohol testing control equipment, alarm monitoring devices

※ The output is non-linear, only take a value in the range of 0-10V. Because the sensor is a semiconductor sensor that will default output a voltage range of 1- 3V, as the actual output to prevail.

※ The output is non-linear, only take a value in the range of 0-5V. Because the sensor is a semiconductor sensor that will default output a voltage range of 0.5-1.5V, as the actual output to prevail.