Composite Four-Gas Detector

The composite four-gas detector simultaneously monitors the concentrations of oxygen, combustible gases, and two toxic gases using electrochemical sensors. The instrument converts gas concentrations into electrical signals and displays numerical values, enabling safety monitoring and leak warnings at worksites to protect personnel in confined spaces or hazardous environments.
Selection
When selecting, confirm the four types of gases to be detected, pay attention to the sensor lifespan and calibration cycle, check whether the protection level is suitable for the usage environment, review the alarm methods and data logging functions, and compare the response times and maintenance costs of different brands.

Terms

Instruments

250Ml Encasement Specification for Ammonia Gas Sensitive and Ammonium Ion Composite ElectRode, provides routine concentration adjustment for measurement accuracy and Stability.

$ 127.00

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

Can simultaneously detect 4 gases, compatible with pump suction and diffusion sampling mode, high definition 2.8 inch color screen display, 3500mA lithium battery life up to 50 hours, support a variety of wireless transmission and alarm functions, Protection Rating IP65, suitable for harsh environments.

$ 685.00

Composite ElectRode design, with 60mL reference filler and calibrated solution, built-in BNC connector, support for replaceable membranes for easy maintenance and long-term use.

$ 444.00

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

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 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

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

Conductivity Detector ElectRode realizes multi-range measurement, range 0.0 to 199.9 mS/cm, single point calibrating is simple, automatic temperature compensation ensures accuracy, waterproof design is suitable for harsh environments.

$ 929.00

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

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

With wireless 4G/WIFI networking function, support remote monitoring and Data storage; Adopt diffusion gas circuit design, Response Time T90 ≤ national standard; With LED, sound, vibration and screen flash four Alarm modes, IP66 Protection Rating.

$ 231.00

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 electrochemistry and catalytic combustion Sensor to detect EX/O2/CO/H2S four gases, Response Time is less than 30 seconds, with waterproof ABS shell and sound and light vibration triple alarm, battery life of 8 hours.

$ 159.00

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

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