Hazardous Gas Detector

A toxic gas detector identifies changes in the concentration of specific chemicals in the air through sensors. When the gas comes into contact with the sensor, it generates an electrical signal or optical response, triggering audible and visual alarms if the concentration exceeds the set threshold. It is used in places such as chemical plants and mines to monitor leaks of gases like hydrogen sulfide and carbon monoxide, ensuring personnel safety.
Selection
When selecting, ensure the gas type to be measured matches the sensor type, consider diffusion or pump-sampling methods, check the protection rating for environmental suitability, verify that alarm values and response times comply with safety standards, and regularly calibrate and maintain sensor sensitivity.

Terms

Standards

Instruments

Adopt Modular design, support multi-gas multi-range detection, Sensors are interchangeable and tool-free offline calibration. With flameproof structure, it can be directly installed in hazardous zones 1 and 2, and output 4~ 20mA analog signal and RS485 digital signal at the same time.

$ 393.00

It can detect halogen gas leaks of less than 0.5 ounces per year, with an instantaneous Response Time and a Warm-Up Time of less than 90 seconds. It features automatic warm-up and battery protection, and a portable design weighing only 480 grams.

$ 154.00

Industrial grade Sensor, detection of phosphating hydrogen 0-20ppm range, resolution of 0.1ppm, Response Time less than 30 seconds, explosion-proof structure to ensure safe operation of hazardous environment, support a variety of Gas detection.

$ 251.00

Catalytic combustion Sensor, adjustable detection accuracy, temperature compensation and automatic zero correction function, support 4~ 20mA output and RS485 digital output, suitable for hazardous areas.

$ 143.00

Using catalytic combustion Sensor, range 0~ 100% LEL adjustable, with infrared remote control debugging and 4~ 20mA output, support alarm record query and automatic temperature compensation, suitable for hazardous environment.

$ 152.00

Electrochemical sensor, range 0~ 30% vol adjustable, with flameproof design and infrared remote control debugging function, support 4~ 20mA output and temperature compensation, suitable for hazardous areas.

$ 178.00

Electrochemical sensor, range 0~ 50ppm, with automatic zero correction and temperature compensation function, support 4~ 20mA and RS485 output, flameproof design for hazardous areas.

$ 223.00

Detect NH3 gas, range 0~ 100ppm, resolution 0.1ppm, Response Time T90 ≤ 120s, support sound and light alarm, Operating temperature -10~ 50 ℃, Working time for more than 60 hours, Portable design weighs only 170 grams.

$ 328.00

Electrochemical sensor, range 0~ 50ppm, with automatic zero correction and temperature compensation function, flameproof design for hazardous areas, support RS485 digital output.

$ 223.00

Electrochemical sensor, range 1000ppm, with automatic zero correction and temperature compensation, flameproof design for hazardous areas, support 4-20mA and RS485 output.

$ 183.00

Electrochemical sensor technology, range 0~ 100ppm, with flameproof design suitable for hazardous areas, support infrared remote control debugging and 4~ 20mA standard output, operating temperature -20~ 50 ℃, Sensitivity high and low drift.

$ 212.00

Electrochemical sensor, range 0~ 30% vol, with flameproof design and infrared remote control function, support 4~ 20mA output and RS485 communication, Response Time ≤ 60 seconds, suitable for hazardous areas.

$ 191.00

Using 8-bit micro control technology, Response Time is less than 60 seconds, equipped with 12864 point array LCD display gas concentration, with sound, light and vibration triple Alarm mode, Protection Rating up to IP65.

$ 235.00

Using infrared NDIR detection principle, range 0-2% Vol, Response Time ≤ 30S, support 4-20mA and RS485 output, flameproof design is suitable for hazardous environments, Sensor life up to 5 years.

$ 977.00

Imported Electrochemical sensor, detection accuracy ≤ +/- 1%, Response Time ≤ 20 seconds; Support 1-5 kinds of gas detection at the same time, built-in powerful air pump, with Data storage and Temperature Humidity detection function.

$ 716.00

Articles