ZM01 MEMS VOC Gas Sensor Module

  • • MEMS technology
  • • Stable and strong structure
  • • Low power consumption
  • • High sensitivity
  • • Anti-electromagnetic interference

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  • Principle Introduction
Principle Introduction:
MEMS VOC gas sensor is using MEMS micro-fabrication hot plate on a Si substrate base, gas-sensitive materials used in the clean air with low conductivity metal oxide semiconductor material. When the sensor exposed to gas atmosphere, the conductivity is changing as the detected gas concentration in the air. The higher the concentration of the gas, the higher the conductivity. The sensor has high sensitivity and small size, and adopts I2C digital signal output mode to facilitate the observation of multiple sensor networks. It can be widely used in many fields such as environmental safety and portable instruments.
Applications :
*Environmental monitoring
*Portable device
*Health care
*Site control
Technical parameters :

Tips:For more parameter information, please refer to the latest manual provided by salesman.

 Parameters

Working voltage

2.5±0.1V

Working current

≤25mA

Max heating power

80mW

Detection range

5ppm(alcohol)

Output mode

I2C slave mode

Default address

0x55

I2C rate

10-100kbps

Pull-up resister

Need external pull-up resistor

Pre-heat time

≤3min

Response time

≤ 60s

 

Chip limit value

Parameter

Min

Typ

Max

Unit

Storage temperature

-25

-

60

Working temperature

-10

-

50

Limit voltage

(VCC & GND)

-0.3

-

VCC+0.3

V

Limit voltage

(Other pins)

-0.3

-

VCC+0.3

V

Limit current

-

-

100

mA

Reference Circuit :
 

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