Portable LEL Gas Tester

Portable flammable gas detectors use catalytic combustion or infrared sensors to detect gas concentrations, triggering an alarm when gas contact causes an electrical signal change. They are used for on-site rapid identification of leaks of flammable gases such as methane and propane, ensuring safety in operations like petrochemical and gas inspections.
Selection
When selecting, ensure the gas type matches the sensor technology: catalytic combustion is suitable for most combustible gases, while infrared sensors offer good resistance to poisoning. Pay attention to the explosion-proof rating to match the on-site environment, and ensure alarm settings comply with local safety standards. Prioritize devices with fast response times and minimal drift.

Terms

Standards

Instruments

Using catalytic combustion detection principle, the range covers 0-100% LEL, Response Time ≤ 30 seconds, with flameproof structure and a variety of signal output, support remote monitoring and infrared remote control operation, through a number of international safety certifications.

$ 190.00

Using catalytic combustion detection principle, the range covers 0-100% LEL, Response Time ≤ 30 seconds, with flameproof structure and a variety of signal output, support remote monitoring and linkage control.

$ 190.00

It adopts flameproof structure design, supports 4-20mA, RS485 and switch output, Response Time ≤ 30 seconds, Detection error ≤ +/- 3% F.S. It can be operated by remote control without opening the lid, with sound and light alarm function, suitable for dangerous environment gas monitoring.

$ 254.00

Using catalytic combustion principle to detect 0-100% LEL range, Response Time ≤ 30 seconds, support 4-20mA and RS485 output, with flameproof structure and remote alarm function.

$ 383.00

Using catalytic combustion principle to detect 0-100% LEL range, Response Time ≤ 30 seconds, with flameproof structure and multi-signal output, support remote monitoring and customized Sensor.

$ 202.00

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

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

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

Using Semiconductor Sensor, Response Time T90 is less than 10 seconds, detecting a variety of combustible gases, range 0~ 50% LEL, with sound and light alarm and LED large screen display.

$ 141.00

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

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, detection range 0~ 250ppm, resolution 1ppm, with sound, light, vibration triple Alarm mode, IP65 Protection Rating, support Data storage and flashlight function.

$ 235.00

Using catalytic combustion Sensor, range 0~ 100% LEL adjustable, with automatic zero correction and temperature compensation functions, support 4~ 20mA output and infrared remote control debugging, suitable for dangerous areas 1 and 2 zones.

$ 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

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