Volatile Organic Compound Gas Alarm

Volatile Organic Compound (VOC) gas detectors use sensors to measure the concentration of VOCs in the air. When the concentration exceeds a preset threshold, they trigger audible and visual alarms. These devices are used in industries such as printing and coatings to monitor the gas safety of working environments in real time, preventing the accumulation of flammable, explosive, or hazardous gases that could lead to accidents.
Selection
When selecting, ensure that the type of gas to be detected matches the sensor. Choose between fixed or portable devices based on the usage scenario. The explosion-proof rating must meet on-site requirements. Sensor lifespan and calibration cycles affect maintenance costs. Adjustable alarm thresholds and short response times enhance practicality.

Terms

Standards

Instruments

Pump-suction sampling and imported Electrochemical sensor, Response Time ≤ 20 seconds, resolution 0.01ppm, support 1-5 Sensor expansion, IP65 Protection Rating, suitable for harsh environments.

$ 754.00

Equipped with 2.4-inch high definition color screen, supports 1-6 Sensor expansion, with 4-20mA and RS485 output, Response Time ≤ 20 seconds, Protection Rating IP65, suitable for harsh industrial environments.

$ 583.00

Designed for Ammonia Gas Sensitive Compound ElectRode, it provides a stable reference potential to ensure accurate measurement. The Encasement specification is 250ml, which is suitable for long-term monitoring applications.

$ 143.00

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

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

Adopting 15mm wall thickness high-quality Organic Glass sealing barrel, equipped with automatic constant pressure gas filling function, Vacuum Level range -90~ 0kPa, to achieve automated testing process without manual operation.

$ 748.00

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

ABS + PC shell is sturdy and durable, equipped with 2.0 inch 320 * 240 resolution display screen, supports methane, O2, H2S, CO four Gas detection, Response Time is the fastest 20 seconds, battery life is 8 hours, with sound and light vibration triple Alarm mode.

$ 344.00

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

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

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