Toxic and Harmful Gas Detectors

Toxic and harmful gas detectors use sensors to detect the concentration of specific gases in the air and trigger audible and visual alarms when the concentration exceeds preset thresholds. They are used for leakage monitoring and personnel protection in chemical, petroleum, metallurgical, and other industrial settings to ensure operational safety.
Selection
When selecting, it is essential to clearly identify the types of gases to be detected and the measurement range, considering the sensor lifespan and anti-interference capability. Determine the explosion-proof rating and protection standards based on the usage environment, verify the alarm method and response time, and make a comprehensive judgment by factoring in maintenance costs and calibration cycles.

Terms

Standards

Instruments

Adopting an all-steel integrated structure, the surface is acid and alkali resistant, the baffle is segmented to discharge harmful gases, and the operating surface wind speed is 0.5m/s to ensure that there is no residual gas. Glass windows can be pulled up and down to stay in any position.

$ 1824.00

Using 1.2mm all stainless steel stamping, the baffle discharges harmful gases in sections, the operating surface wind speed is 0.25-0/s, the air volume is 1100-1800m ³/h, and it is equipped with a stainless steel sink and an automatic equilibrate window to provide a safe experimental space.

$ 2308.00

Support dual 4-20mA/RS485 signal input, integrated sound and light alarm and relay control, operation temperature range -10~ 50 ℃, can be connected to a variety of gas Detectors to achieve on-site detection and linkage control.

$ 151.00

Industrial Sensor, Response Time less than 30 seconds, accuracy +/- 3% FS, with explosion-proof structure, support 4-20mA and RS485 output, suitable for a variety of Gas detection.

$ 251.00

Two-channel split design supports multi-point centralized control, with 4-20mA signal input and two-level alarm settings, microprocessor to ensure accurate monitoring, relay output can drive external equipment linkage, Operating temperature range -10~ 50 ℃.

$ 140.00

Electrochemical sensor, Response Time ≤ 15 seconds, range 0-1000ppm, with 6000 alarm records query and highly waterproof design, support sound and light vibration triple alarm.

$ 146.00

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

Electrochemical sensor, Response Time ≤ 15 seconds, with 6000 alarm record query function, super high waterproof design, support sound and light vibration triple alarm, Sensor life 2 years.

$ 146.00

Using industrial grade Sensor, Response Time is less than 30 seconds, accuracy +/- 3% FS, with explosion-proof and explosion-proof shell design, support 4-20mA and RS485 output, adapt to -10~ 40 ℃ working environment, ensure reliable monitoring of various gas concentrations.

$ 251.00

Industrial Sensor, Response Time less than 30 seconds, Measurement range 0-100ppm, with explosion-proof structure design, support 4-20mA standard signal output, suitable for harsh industrial environment.

$ 251.00

Using 1.2mm all stainless steel stamping, working face wind speed 0.25-0 38m/s, air volume 1100-1800m ³/h, equipped with baffle segmented discharge of harmful gases, the window can be arbitrarily positioned.

$ 3217.00

Electrochemical sensor, Response Time less than 30 seconds, Measurement range 0-20ppm, resolution 0.1ppm, with explosion-proof structure design, support 4-20mA standard signal output.

$ 267.00

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

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

Using industrial grade Sensor, Response Time less than 30 seconds, accuracy of +/- 3% FS, with 4-20mA and RS485 signal output, shell die-cast aluminum material to meet the requirements of explosion protection, suitable for a variety of harsh environments.

$ 177.00

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