MQ-136 MQ136 Semiconductor Sensor for Hydrogen Sulfide

MQ-136 MQ136 Semiconductor Sensor for Hydrogen Sulfide

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28,00

(2 customer reviews)

In stock (can be backordered)

QuantitàPrezzo Unitario
12 - 49 25,20
50 - 99 22,40
100 + 19,60

Product Description

MQ-136 MQ136 Semiconductor Sensor for Hydrogen Sulfide

Overview:
 

Senitive material of MQ136 gas sensor is SnO2, which with lower conductivity in clean air. When the target Hydrogen sulfide gas exist, the sensor’s conductivity is higher along with the Hydrogen sulfide concentration rising. Please use simple electric circuit, Convert change of conductivity to correspond output signal of gas concentration. MQ136 gas sensor has high sensitity to Hydrogen sulfide, Low sensitivity for other combustible gas. It is with low cost and suitable for different application.

 

Features:
  • Good sensitivity to Hydrogen sulfide

  • Long life and low cost

  • Simple drive circuit

Application:

  1. Domestic Hydrogen sulfide detector

  2. Industrial Hydrogen sulfide detector

  3. Portable Hydrogen sulfide detector

 

Specification:

Model No.

MQ136

Sensor Type

Semiconductor

Standard Encapsulation

Bakelite (Black Bakelite)

Detection Gas

Hydrogen sulfide

Concentration

1-200ppm (Hydrogen sulfide)

Circuit

Loop Voltage

Vc

�4V DC

Heater Voltage

VH

5.0V±0.2V AC or DC

Load Resistance

RL

Adjustable

Character

Heater Resistance

RH

31?±3?(Room Tem.)

Heater consumption

PH

�00mW

Sensing Resistance

Rs

2K?-20K?(in 50ppm SO2 )

Sensitivity

S

Rs(in air)/Rs(50ppm NH3)�

Slope

?

�.6(R100ppm/R50ppm H2S)

Condition

Tem. Humidity

20?±2?;65%±5%RH

Standard test circuit

Vc:5.0V±0.1V;

VH: 5.0V±0.1V

Preheat time

Over 48 hours

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