Toxic and harmful gas alarm

Toxic and harmful gas alarms use sensors to detect the concentration of specific gases in the air and emit audible and visual alerts when the set threshold is exceeded. They are used in places such as chemical plants and laboratories to monitor leaks and ensure personnel safety.
Selection
When selecting, confirm the type of gas to be tested, determine the explosion-proof rating and protection standards based on the usage environment, refer to sensor lifespan and calibration cycles, and align with needs by combining alarm recording functions and installation methods.

Terms

Standards

Instruments

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

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 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

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 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 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

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

Support 4-20mA signal input and RS485 upload, with 2-level alarm and 2 relay output, compatible with two-wire and three-wire equipment, fast response speed and high measurement accuracy, suitable for a variety of Gas detection scenarios.

$ 140.00

Support 4-20mA signal input, compatible with two-wire and three-wire devices, providing up to 6 passive switching and sound and light alarm functions, operating temperature 0-40 ℃, suitable for a variety of Gas detection scenarios.

$ 183.00

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 range 0-20ppm, resolution 0.1ppm, with explosion-proof structure design, support 4-20mA standard signal output.

$ 267.00

Support 4-20mA and RS485 signal input, compatible with two-wire and three-wire devices, provide 6 passive switching control ports, with two-level alarm setting and alarm record query function, temperature operation range 0-40 ℃.

$ 183.00

Support four 4-20mA or RS485 signal input, integrated sound and light alarm and relay control, operation temperature range -10~ 50 ℃, power consumption is less than 10W, suitable for a variety of Gas detection scenarios.

$ 178.00

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

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

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