Quality supplier

QUALITY SUPPLIER

Multi gas detection

MULTI GAS DETECTION

Manufacturer sale

MANUFACTURER SALE

365 days warranty

365 DAYS WARRANTY

Technical support

TECHNICAL SUPPORT

Customized detector

CUSTOM DETECTOR

Industrial Gas Detectors & Monitors

Portable gas detector

GD200 portable gas detector series with probe and calibration kit is the best choice for monitoring a single gas.

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Industrial fixed gas detector

Wall-mounted fixed gas detector provides different signal & relay outputs, which can detect gas concentration 24/7.

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Multi gas detector

Handheld or fixed multi-gas detector uses advanced gas sensors and sound alarms to detect 4 gas or 5 gas at the same time.

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Portable Hydrogen Sulfide (H2S) gas-detector

Portable Hydrogen Sulfide (H2S) Gas Detector

Handheld H2S gas detector with a 0-5ppm to 0-2000ppm measuring range, featuring data logging and an optional extension probe for detecting Hydrogen gas levels in sewers, storage tanks, and confined spaces.

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Fixed Chlorine (Cl2) Gas Detector

GasDog fixed Chlorine gas detector provides 24/7 real-time monitoring of Cl2 concentration with a sound and light alarm. It supports 4-20mA analog output and RS485 communication for water treatment facilities and chemical plants.

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Fixed Chlorine (cl2) gas detector

Smart LPG & Natural Gas Alarm

  • Detects LPG and natural gas leaks to improve household safety.
  • Smart WiFi & wireless monitoring provide real-time gas leak alerts.
  • Sensitive sensors deliver fast and accurate combustible gas detection.
  • Loud audible alarms warn of dangerous gas concentrations quickly.
  • Ideal for homes, kitchens, RVs, campervans, restaurants, and more.


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Plug in CO and explosive detector
WiFi natural gas leak detector for home
WiFi gas leak monitor
 
 
 

Gas Detection

Application Cases

Gas Dog aims to provide professional gas detection solutions according to customers' needs in different working conditions.
ALL CASES
O2 gas detection in O2 deficiency incident

O2 Gas Detection
in O2 Deficiency Incident

H2S gas detection in sewage treatment

H2S Gas Detection
in Sewage Treatment

CO2 gas detection in biopharmaceutical incubator

CO2 Gas Detection
in Biopharmaceutical Incubator

About us

GasDog is a company focused on the design, manufacturing, and supply of gas detectors for both industrial and home applications.

With over 10 years of professional R&D experience and ongoing innovation in gas detection technology, we have delivered reliable solutions to thousands of customers around the world.

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Certificate

Gas detector certificate
ATEX Certificate
Gas monitor certificate
CE (LVD) Certificate
Gasdog gas detector certificate
CE (EMC) Certificate
 
 

Friday, August 28, 2026

How to Choose Oxygen (O2) Gas Detector for Confined Space?

A confined space may appear safe from the outside, but the atmosphere inside can change quickly and create life-threatening hazards. Oxygen deficiency is one of the most serious risks because it cannot be detected by human senses. Workers may enter a tank, pipeline, manhole, or underground chamber without realizing that the Oxygen concentration has dropped to a dangerous level....

Wednesday, August 19, 2026

How to Use a 4-in-1 Combustible Gas Detector?

GasDog combustible gas detector is an important safety tool for identifying potentially dangerous gas concentrations before they become a serious hazard.But knowing how to use a combustible gas detector correctly is just as important as choosing the right detector....

Wednesday, July 15, 2026

What is Hydrazine (N2H4) Gas?

N2H4 has an Ammonia-like odor, but odor should never be considered a reliable warning method because dangerous concentrations may exist before people detect it. Hydrazine exposure can cause serious health risks, including respiratory damage, skin irritation, and long-term health effects. Therefore, accurate and reliable monitoring of Hydrazine gas is essential for industries that handle or store t...