Flammable Gas Audible/Visual Alarm

Flammable gas detectors measure the concentration of combustible gases in the air through sensors. When the gas concentration exceeds a preset threshold, they trigger audible and visual alarms. These devices are used in places such as chemical plants and gas stations where there is a risk of gas leaks, alerting personnel to take safety measures such as ventilation or evacuation.
Selection
When selecting, consider matching the types of gases to be detected with the on-site environment, ensure the sensor type meets detection requirements, confirm the explosion-proof rating complies with site safety regulations, set alarm values according to industry standards, and conduct regular calibration and maintenance to ensure long-term stability.

Instruments

Adopting high voltage detection technology, it can sensitively find defects such as coating pinholing and bubbles, equipped with sound and light alarm system, and powered by nickel battery, which is convenient for field operation.

$ 590.00

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

Glass-lined, FRP, epoxy coal asphalt coatings of different thicknesses can be mass tested by high voltage detection technology. When the coatings have defects such as pinholing and bubbles, the instrument will emit bright sparks and sound and light alarms.

$ 1230.00

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 8 channels of 4-20mA signal input, can store 20,000 alarm records, with two-level alarm settings and relay output, suitable for multi-point centralized control to prevent explosions and fire accidents.

$ 212.00

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

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

Frequency range 20KHz to 100KHz, Sensitivity indicated by LED and sound, weight of only 140 grams for portable, suitable for a variety of gas and air leak detection scenarios.

$ 301.00

Visual aiming and manual measurement, measurement range up to +/- 180 °, equipped with LED Illuminant to extend the service life, support 100mm/200mm ordinary testtube.

$ 444.00

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

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

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

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