Flammable Gas Warning System

Combustible gas alarms detect the concentration of flammable gases in the air through sensors. When the gas concentration reaches a preset threshold, they trigger audible and visual alarms. These alarms are used for leakage monitoring in places such as petrochemical plants and gas stations to prevent fire and explosion accidents.
Selection
When selecting, consider the types of gases to be detected, the measurement range, and explosion-proof ratings. Determine whether a fixed or portable device is suitable based on the usage environment. Check the sensor lifespan and calibration cycle, verify the alarm recording function and communication interface type, and confirm the product certification qualifications.

Terms

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

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

Support 4-20mA/RS485 signal input, provide 6 passive switching and sound and light alarm functions, operating temperature 0~ 40 ℃, compatible with two-wire and three-wire equipment, suitable for gas safety detection.

$ 259.00

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

Suitable for flammable and explosive environment, explosion-proof grade ExdIBT4, pumping rate 8m ³/h, limit pressure as low as 0.005mbar, equipped with anti-suction valve and gas ballast valve to ensure safe and reliable operation.

$ 882.00

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

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

Using Industrial Sensor, Response Time is less than 30 seconds, accuracy +/- 3% FS, with explosion-proof structure and multi-Gas detection ability, to ensure stable and reliable gas concentration monitoring.

$ 251.00

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.

$ 193.00

Maximum 4 kinds of gas simultaneous detection, integrated temperature and Humidity compensation, with Internet of Things remote monitoring function, Response Time T90 ≤ national standard, Protection Rating IP66, suitable for a variety of Installation methods.

$ 693.00

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 Sensor, Response Time is less than 30 seconds, power consumption is up to 3W, with explosion-proof and explosion-proof shell design, support 4-20mA or RS485 signal output, suitable for a variety of Gas detection.

$ 251.00

Using semiconductor Sensor technology, the detection sensitivity can be adjusted to 50PPM methane, Response Time ≤ 1 second, Warm-Up Time is less than 110 seconds, support 9 hours of continuous work, with LED light alarm and low power indication function.

$ 99.00

Adopt compressed gas expansion to convert mechanical energy, torque ≤ 80N.cm, start with load, explosion-proof and spark-free design, a variety of Impeller optional, suitable for high temperature or flammable environment, safe and stable operation.

$ 1324.00

Using Industrial Sensor, Response Time is less than 30 seconds, accuracy is up to +/- 3% FS, with explosion-proof and explosion-proof structure, support multi-Gas detection and sound and light alarm function, power consumption is only 3W.

$ 177.00