Industrial Poison Alarm

Common toxic and harmful gases can be divided into irritating gases and asphyxiating gases according to their toxic properties.

  • Irritant gases: such as chlorine, ammonia, hydrogen fluoride, methyl mercaptan, dimethyl sulfide, etc.
  • Asphyxiating gases: such as nitrogen, carbon monoxide, hydrogen sulfide, etc.

The toxic and harmful gas sensor is suitable for portable and fixed detectors for toxic gas leakage emergency rescue, underground pipelines, metallurgy, power plants, chemicals, tunnels and other places. Effectively prevent the occurrence of poisoning accidents, ensure that the life safety of the staff is not harmed, and the production equipment is not damaged.

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Electrochemical Integrated Gas Sensor ZE03


ZE03 is a general-purpose and high-performance electrochemical module. It uses three electrodes, electrochemical gas sensor and high-performance micro-processor. By installing different gas sensor, the module could detect relevant gas. It is with built-in temperature sensor to make temperature compensation, which makes it could detect the gas concentration accurately. It has the digital output and analog voltage output at the same time which facilities the usage and calibration and shorten the development period. It is a combination of mature electrochemical detection principle and sophisticated circuit design, to meet customers’ different detection needs.

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Electrochemical CO Sensor MEu-CO


The MEu-CO sensor is a constant potential electrolytic carbon monoxide gas sensor.Carbon monoxide and oxygen undergo corresponding oxidation and reduction reactions on the working electrode and counter electrode respectively and release charges to form an electrolysis current. The current is proportional to the carbon monoxide concentration. The carbon monoxide concentration can be determined by measuring the current.

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Electrochemical NH3 Sensor ME3-NH3


ME3-NH3 electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current.

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Electrochemical H2S Sensor ME3-H2S


ME3-H2S electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current.

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Electrochemical ETO Sensor ME3-ETO


ME3-ETO electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current.

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Electrochemical CL2 Sensor ME3-CL2


ME3-CL2 electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current.

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How to choose the right sensor for your project?

We have 17 sensor series, 200+ categories, and 300+ detection objects for gas detection. Such as CO, CO2, VOC, PM2.5, CH4, LPG and so on. In particular, we also have MEMS sensors. According to your industry application, gas principle, power consumption, accuracy, and range requirements, and we can select a specific model for you. You can also use the product filter below to choose a suitable product, or choose online serivce.

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The first six FAQs. Use the search bar above to reveal more!

Is the Dust Sensor Wired when Shipped?

Laser dust is wired, infrared dust is not wired.

How to Install and Place the Infrared Dust Sensor?

It must be installed vertically. Keep away from artificial air flow such as fans. When used in air purifiers, the front and rear of the fan cannot be installed. Optionally install it on one side of the shell, but keep vents on the shell to ensure that the external air can diffuse in.

Can the Two Voltages of Mq-7 Exist All the Time, or Do They Need to Be Powered Alternately? if It is an Alternate Power Supply, What is the Appropriate Power Supply Time?

It requires alternate power supply. Please check the information on the product manual. This sensor is powered by 1.5V and 5V alternately. The low temperature and low voltage (1.5V) state can detect CO, and the high voltage (5V) is the desorption process. The recommended 5V voltage duration is 60s, 1.5V voltage duration is 90s to alternately supply power. Since it is a desorption process at 5V, it is normal for the voltage to drop when CO is 150ppm.
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