Product Details
KGD - MQ - 534 Toxic and Hazardous Gas Detection (Alarm) Instrument
Product Introduction
The KGD - MQ - 534 Toxic and Hazardous Gas Detection (Alarm)
Instrument adopts ECD electrochemical technology and is mainly used
for detecting and alarming CO/H2S gas leaks in fields such as
natural gas, coal - bed methane, landfill, sewage treatment, and
anaerobic fermentation.
Product Features
- Adopts long - life electrochemical technology to accurately measure
CO/H2S.
- Can be used in an oxygen - free environment.
- Has temperature compensation and automatic zero - point correction
functions.
- Long service life, with no sensor poisoning phenomenon.
- Explosion - proof grade: Ex d ⅡC T6 Gb, meeting the safety alarm
requirements for gas leaks in multiple fields.
Technical Parameters
Parameter | Details |
Measured Components | CO, H2S |
Measurement Principle | ECD Electrochemistry |
Measurement Range | CO: 0 - 1000ppm; H2S: 0 - 100ppm (The range can be customized
according to actual requirements) |
Accuracy | ±2μmol/mol or ±10% |
Resolution | 1ppm |
Response Time | T90<30s |
Pre - sampling Time | 30s |
Sampling Method | Diffusion - type |
Explosion - proof Grade | Ex d IIC T6 Gb |
Signal Output | RS - 485 digital output, 2 - way relay normally open contact, 1 -
way 4 - 20mA current output |
Application Environment | |
Operating Temperature | (-20 - 60) °C |
Ambient Humidity | ≤95%RH |
Storage Temperature | (-40 - 85) °C |
Electrical Parameters | Electrical parameters |
Working Power Supply | DC12 - 24V |
Display | LCD display |
Company Profile
Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of
measuring instruments , located in China xi’an City. Since 2008,
Xi'an Kacise focused on the development and production of pressure,
level and flow measuring instruments .

We have been specializing in manufacturing pressure, level and flow measuring instruments and related products for 10 years. Based on experienced technical
and management personnel, through efforts of our entire staff, we
have become a professional measuring instrument manufacturer and
solution provider. And we are continuously trying to improve
product quality.

Xi'an Kacise is qualified with ISO 9001-2008, GJB 9001B-2009, CE,
intrinsic safety explosion-proof and isolated safety
explosion-proof certificates, etc. which ensure that our products
comply with international standards.

Kacise sensors have already been exported to America, Spain,
Australia, Chile and 20 other countries and regions, and received
many favorable feedbacks. Our overseas distributers are also
increasing. We regard “reasonable prices, efficient production time
and good after-sales service” as our tenet, and hope to cooperate
with more customers for mutual development.

Our goal is simple: to sell the best products at the best prices,
and provides industry-leading customer service. We personally get
to know each of our customers, and we know how to discover the most
valuable part of our business , to help others achieve their goals.