Tips! Hydrogen sulfide (H₂S) sensors can detect to some extent: sewer/wastewater leaks, food spoilage, organic decomposition
Power supply: 5V DC
Sensor: MQ-136
Sensitive gases: high sensitivity to H2S and organic sulfur vapors (e.g. organic sulfides). Low sensitivity to normal combustible gases.
Detection range: 1...200 ppm (H2S)
Cross-sensitivity and interfering gases: the sensor sensitivity may be reduced by high concentrations of corrosive gases (e.g. SOx, Cl2, HCl), which can cause corrosion. Avoid: organic silicon vapors, alkali salts, halogens, water or freezing.
Comparator: LM393
Output: TTL, analog
TTL output tilt level adjustable with trimmer potentiometer
Terminals: 2.54mm pin row, 4 pins:
- VCC
- GND
- DO (digital out)
- AO (analog out)
Dimensions: 32 x 27 x 22mm
Extended distributor/manufacturer information (EU Regulation 2023/988)
Trade name: HESTORE Hungary Ltd Postal address: Cziraki street 26-32, Budapest, H1163 Electronic address: https://www.hestore.hu/
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