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This is a hydrogen and nitrogen oxide gas concentration sensor launched by DFRobot.
The sensor uses MEMS technology to support gas concentration detection of NO, NO2 and H2.
The matching sample code integrates the concentration conversion formula of various gas to facilitate the testing and use of sensors. The product supports 5V power supply, analog voltage output, and has power supply enable/disable pins for low power consumption.
Board Overview
Connect Diagram
FEATURES
Integrates the concentration conversion formula
Low power consumption.
APPLICATIONS
Gas leak detection
Gas safety equipment
Air environment detection
SPECIFICATION
Detection of Physical Quantities: Gas concentration or gas leakage of NO, NO2, H2
Operating voltage: 4.9～5.1V DC
Power dissipation: 0.45W
Output signal: Analog quantity
Measuring range:
1 – 1000ppm(Hydrogen H2)
0.05 – 10ppm(Nitrogen dioxide NO2 )
1 – 1000ppm(Hydrogen H2)
0.05 – 10ppm(Nitrogen dioxide NO2 )
Working temperature: -30～85℃
Working humidity: 5～95%RH （No condensation）
Storage temperature: -40~85℃
Lifespan: >2 years（in the air）
Circuit board size：12mm×16mm
Mounting hole size：Inner diameter 2mm/outer diameter 4mm
