Portable Four-Gas Detector

The portable four-gas detector measures the concentration of oxygen, flammable gases, and toxic gases using electrochemical sensors. The device displays real-time gas readings at the worksite and provides audible and visual alarms to indicate hazards. It is used for gas safety monitoring in locations such as chemical plants and mines.
Selection
Select the four types of gases to be detected during the process, check the sensor lifespan and calibration cycle. Pay attention to the protection rating and alarm methods, and examine the data logging capabilities. Consider battery life and the device's durability against drops, while comparing after-sales support across different brands.

Terms

Standards

Instruments

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

Imported electrochemistry/catalytic combustion Sensor, Fast Response and High Measurement accuracy. Built-in 4000mAh large-capacity battery, equipped with 2.4 inch high definition color screen, support Data storage and export, with two-level sound and light alarm function.

$ 541.00

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

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

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

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

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

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

Imported Electrochemical sensor, Response Time ≤ 20s, detection accuracy ≤ +/- 3%, built-in strong air pump can work in micro negative pressure environment, with Data storage and Temperature Humidity detection function, adapt to various harsh occasions.

$ 811.00

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

Electrochemical sensor, formaldehyde detection range 0-20ppm, resolution 0.1ppm, with sound, light, vibration triple alarm, IP65 Protection Rating, built-in 1500mAh lithium battery can work continuously for 8 hours.

$ 235.00

Instantaneous Response Time Less than 6 seconds warm-up, can detect 3 g/year Sensitivity halogen refrigerant, 405 g lightweight design with 5 hours continuous Working time, with automatic warm-up and two-color LED charge indication function.

$ 140.00

Detection of oxygen concentration 0~ 25% range, resolution of 0.1%, Response Time ≤ 15 seconds, Portable design, suitable for a variety of environment monitoring needs.

$ 162.00

Using 8-bit microcontroller, Response Time is less than 30 seconds, with IP65 Protection Rating and sound and light vibration alarm function, support 1000 sets of alarm record storage.

$ 235.00

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

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