Gas Alarm Detector

The gas detector alarm identifies the concentration of specific gases in the air through sensors and triggers audible and visual alarms when the concentration exceeds the preset threshold. It is used in places such as chemical plants and petroleum facilities to monitor the leakage of combustible or toxic gases, ensuring personnel safety.
Selection
When selecting, it is essential to clearly identify the types of gases to be detected. Determine the explosion-proof rating and protection standards based on the usage environment. Evaluate maintenance costs by considering sensor lifespan and calibration cycles. Match response speed and alarm methods with actual needs for reference.

Terms

Standards

Instruments

Using Industrial Sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, shell explosion-proof structure, 4-20mA standard signal output, can detect a variety of gas concentrations and have sound and light alarm function.

$ 267.00

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

Explosion-proof structure design, Response Time is less than 30 seconds, with 4-20mA standard signal output, can detect a variety of gas concentrations and set high and low alarm points to ensure industrial environment safety monitoring.

$ 267.00

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

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

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

$ 267.00

Electrochemical sensor, Response Time less than 30 seconds, Measurement range 0-100ppm, 4-20mA signal output and explosion-proof structure, suitable for gas monitoring in harsh industrial environments.

$ 267.00

Support 32 Detector access, using 4-20mA signal transmission, with two-level alarm settings and 20,000 records Storage capacity, through the relay drive peripherals to ensure safety protection.

$ 401.00

High-precision Sensor is used to detect PM2.5 concentration, Response Time is instantaneous, Sensitivity can be adjusted to 5PPM, with sound and light alarm and automatic warm-up function, continuous work for 5 hours.

$ 157.00

Electrochemical sensor, Response Time less than 30 seconds, accuracy of +/- 3% FS, 4-20mA signal output and passive relay output, the shell is explosion-proof design.

$ 267.00

Supports 4-20mA signal input, compatible with two-wire and three-wire devices, provides 6 passive switches and RS485 interfaces, with two-level alarm settings, operating temperature 0-40 ℃, suitable for gas safety detection.

$ 212.00

Support 16 4-20mA signal input, 4.3 inch color screen display, can store 20000 alarm records, with two-level alarm and four sets of relay output, suitable for multi-point centralized control of Gas detection.

$ 259.00

Support 4-20mA/RS485 signal input, compatible with two-wire and three-wire devices, providing up to 6 passive switching quantities, two-level alarm can be freely set, suitable for gas safety detection.

$ 259.00

Electrochemical sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, 4-20mA signal output and passive relay control port.

$ 267.00

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

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