Pump-Sampled Combustible Gas Detector

The pump-suction combustible gas detector actively draws gas samples through a built-in pump. When the sensor comes into contact with combustible gas, it generates an electrical signal change, which is processed by the circuit to display the concentration value. It is used in locations requiring active sampling, such as pipeline maintenance and confined spaces, to detect leaks of combustible gases like methane and propane.
Selection
When selecting, focus on matching the sampling pump flow rate and response time to the usage scenario, ensuring the explosion-proof rating aligns with the classification of the hazardous area, the sensor type covers the target gases and resists interference, the device's protection rating suits the working environment, and the data logging function meets regulatory requirements.

Terms

Standards

Instruments

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

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

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

Supports simultaneous detection of four gases and temperature Humidity, adopts dual temperature Humidity compensation design, has zero point automatic correction function, Protection Rating up to IP66, Operating temperature range -40~ 55 ℃.

$ 301.00

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

Support 4 kinds of gas detection at the same time, integrated Humidity monitoring function, dual temperature Humidity compensation design, with 10 Meters visual distance high definition color screen, Protection Rating up to IP66, Operating temperature range -40~ 55 ℃.

$ 819.00

Pump-suction sampling and imported Electrochemical sensor, Response Time ≤ 20 seconds, resolution 0.01ppm, support 1-5 Sensor expansion, IP65 Protection Rating, suitable for harsh environments.

$ 754.00

Using semiconductor Sensor technology, the detection sensitivity can be adjusted to 50PPM methane, Response Time ≤ 1 second, Warm-Up Time is less than 110 seconds, support 9 hours of continuous work, with LED light alarm and low power indication function.

$ 99.00

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 infrared remote control operation, through a number of international safety certifications.

$ 190.00

Sensor imported to ensure high Sensitivity and stability, Response Time ≤ 15 seconds, with 6000 alarm record query function, providing sound and light vibration triple alarm and super high waterproof design.

$ 122.00

Can simultaneously detect four gases, Electrochemical sensor, Response Time instant, alarm sound up to 80 decibels, operation temperature range -10~ 50 ℃, portable design weighs only 360 grams.

$ 241.00

Using infrared NDIR detection principle, range 0-5% Vol, Response Time ≤ 30 seconds, support 4-20mA, RS485 and switch output, with explosion-proof structure and remote monitoring capability.

$ 332.00

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 infrared NDIR detection principle, range 0-1000ppm, Response Time ≤ 30 seconds, with flameproof structure and a variety of signal output options, support remote data transmission and customized range.

$ 848.00

Pump sampling ensures fast detection speed, can store 100000 data, support buzzer and LED dual alarm. Explosion-proof level EXia II CT6, Battery capacity 2800mAh, working life 10-60 hours.

$ 254.00

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