INDUSTRIAL SCIENTIFIC M40 Diffused hydrogen sulfide H2S Gas Detector 0~500ppm
INDUSTRIAL SCIENTIFIC M40 Diffusion Gas Detector can measure hydrogen sulfide H2S gas concentration, range 0-500ppm, resolution 1ppm, sound, light, vibration alarm, using Electrochemical sensor, with international UL, ATEX, CSA, GOSA certification, CHINA type certification/explosion-proof certification.
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Features
The Insco M40 Gas Detector can measure 4 gases at the same time: carbon monoxide, hydrogen sulfide, oxygen, and flammability.
Extra-large LCD display screen
75 hours of data logging
50 feet remote sampling.
The M40 Gas Detector housing is made of high-strength impact-resistant composite materials, which can be used in all kinds of harsh environments, and the housing is subject to electromagnetic interference and radio frequency interference.
Intuitive event operation and calibration of the instrument
Five-second automatic shutdown function to prevent accidental shutdown
The compact form factor and affordable price make it the perfect choice for personal Testers
In addition to this, the instrument also has a vibration alarm, lithium-ion charging, battery peak reading, large LCD screen display, 75 hours of data recording, and an optional gas sampling pump can achieve long-distance sampling sampling distances of up to 50 feet.
Product Structure

INDUSTRIAL SCIENTIFIC M40-H2S Gas DetectorSpecifications
| LIST | VALUE |
|---|---|
| Sensors principle | electrochemistry |
| H2S-range | 0~500ppm |
| H2S- resolution | 1ppm |
| Shell material | High Strength, Impact Composite, Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) Resistant |
| Dimension | 109*62.2*34.8mm |
| Operating temperature | -20~50℃ |
| Relative Humidity | 15% to 95% non-condensing (continuous) |
| Display | Backlit liquid crystal display (LCD) |
| Power Supply | lithium battery |
| Operating Time | 18h |
| Alarm mode | Sound, light, vibration |
| Weight | 244g |
| certification | International UL, ATEX, CSA, GOSA China, type certification, explosion-proof certification |
INDUSTRIAL SCIENTIFIC M40-H2S Gas Detector Packing list
Gas detector X1, manual X1, Encasement box X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Principle and application of hydrogen sulfide concentration analyzer
- Gas detection Common detection items/detection methods and testing standards
- Electrochemical sensor principle
- Principle of Catalytic Diffusion Sensors


M40-H2S





