Confined Space Gas Detector

A confined space gas detector uses built-in sensors to measure oxygen concentration and the levels of combustible and toxic gases. Its purpose is to provide early warnings of hazardous gas environments before entering enclosed areas, and it is used for safety verification prior to work in confined spaces such as storage tanks and pipelines.
Selection
When selecting, confirm the types of gases to be detected, consider the sensor lifespan and calibration cycle, check the equipment's explosion-proof rating and protective performance, review the alarm records and data storage capabilities, and choose between pump suction or diffusion sampling methods based on the usage environment.

Terms

Standards

Instruments

Built-in micro sampling pump and adjustable speed, explosion-proof grade up to Exia II CT4, Protection Rating IP66, support Chinese and English interface and data storage function, Response speed and High Measurement accuracy.

$ 414.00

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

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

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

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

Maximum 4 kinds of gas simultaneous detection, integrated temperature and Humidity compensation, with Internet of Things remote monitoring function, Response Time T90 ≤ national standard, Protection Rating IP66, suitable for a variety of Installation methods.

$ 693.00

Using 32-bit microprocessor and 24-bit ADC chip, support 1-6 Sensor expansion, with 4-20mA, RS485 and relay output, Protection Rating IP65, suitable for gas monitoring in harsh environments.

$ 451.00

Electrochemical sensor, detecting phosphating hydrogen gas, range 0-20ppm, resolution 0.1ppm, with sound, light, vibration triple alarm, IP65 Protection Rating, suitable for harsh environments.

$ 235.00

Industrial Sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, with explosion-proof structure, support 4-20mA and RS485 output, suitable for a variety of Gas detection.

$ 251.00

Using industrial grade Sensor to detect nitrogen dioxide gas, range 0~ 20ppm, resolution 0.1ppm, Response Time T90 < 60s, with waterproof, dustproof and explosion-proof characteristics, small and durable.

$ 248.00

Semiconductor Sensor to detect halogen gas leaks of less than 0.5 oz/year, Response Time ≤ 1 second, Sensitivity adjustable, Portable design weighing 250g, up to 9 hours of operation.

$ 109.00

Electrochemical sensor, Response Time less than 30 seconds, Measurement accuracy +/- 3% FS, 4-20mA standard signal output and passive relay control port, suitable for a variety of Gas detection needs.

$ 267.00

Using Industrial Sensor, Response Time T90 is less than 60 seconds, with waterproof, dustproof and explosion-proof function, round and durable shell, suitable for Gas detection in various industrial environments.

$ 248.00

Support 4 kinds of gas detection at the same time, with IP67 waterproof grade and 10 Meters anti-drop ability, compatible with diffusion and pump suction sampling, Response Time T90 ≤ national standard, battery life up to 60 hours, anti-electromagnetic interference.

$ 409.00

With explosion-proof structure design, Response Time is less than 30 seconds, resolution is up to 0.1ppm, with 4-20mA and RS485 signal output, suitable for gas monitoring needs of various industrial environments.

$ 251.00

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