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CH4 sensor Non-dispersive Infrared sensor ch4 gas analyzer

CH4 sensor Non-dispersive Infrared sensor ch4 gas analyzer

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Product Overview
MST N7M NDIR CH4 GAS DETECTOR
FEATURES:
Non-dispersive Infrared
Long life
Regular 7-series size for ease of use

APPLICATION:
Environmental detection
Monitoring gas leaks
On-line monitoring system

Basic Parameters

  • Gases

CH4

  • Principle

NDIR

  • Measuring range

0-10000 ppm

  • Linear error

±2%F.S.

  • Response time(T90)

≤25s (with waterproof breathable film)

  • Resolution

10ppm

  • Repeatability

≤±1%FS

  • Operating temp

-20℃  ~ 60℃

  • Storage temp

-40℃  ~ 85℃

  • Humidity

0 ~ 95%RH

  • Warm up time

1min

Signal Output

  • Digital signal

Modbus RTU 38400bps

  • Analog signal

0.4 ~ 2V

Electrical Requirement

  • Power Supply

3.3 ~ 6VDC

  • Current

45mA (average value)

180mA (max value)

  • power dissipation

0.23W (average value)

Pins

Function

Description

V+

VCC+

3.3 - 6V

GND

VCC-

/

Tx

Serial port transmitter

TTL level0 –  2.5V

Rx

Serial port receiver

Compatible with 1.8-5V input

DA

Analog output

0.2V indicates that the sensor is preheated

0.4-2V corresponds to 0-100% F.S.

2.2V indicates overrange

Pin description

Company Profile
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FAQ
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