Explosion-proof methyl mercaptan gas alarm
Contact Info
- Room 405, 4th Floor, Xijun Building, No.4 Shangxue Road, Xinxue Community, Bantian Subdistrict, Longgang District, Shenzhen City,
- 陈工
- 19926530652
- 2183550010@qq.com
Introduction A gas alarm is a flameproof safety device capable of rapidly, reliably, and stably continuously detecting gas concentration in industrial production. When the detected gas concentration reaches the preset alarm value of the gas alarm, the alarm will sound and drive external devices to remind on-site staff to take necessary protective measures, preventing gas-induced combustion accidents. Working Principle of Gas Alarm: The alarm installed on-site operates on power supply. When a gas leak occurs, the sensor converts the detected leakage amount into a corresponding voltage signal for output. After the voltage signal is processed by the alarm, the data is uploaded and displayed on the screen. When the concentration reaches the set action value, the alarm sounds and drives external devices. A gas alarm is a fixed instrument that can continuously detect the concentration of oxygen or toxic, harmful, flammable, and explosive gases in the working environment. The gas alarm adopts a diffusion method to real-time convert the gas concentration signal at the monitoring point into an electrical signal. After the signal is amplified, it undergoes A/D sampling, temperature compensation, and intelligent calculation by the CPU to process the measurement results. If the measured value exceeds the set alarm concentration value, an alarm signal is issued. The gas alarm features a dual-chamber design, special imported sensors, and a modular sensor design, making calibration and adjustment more convenient. It has superior performance, high stability, can output multiple sets of signals, and is easy to install and maintain, meeting the high reliability requirements of industrial on-site equipment. Features Ingenious structural design, extremely easy installation; Upper and lower alarm points can be set arbitrarily within the full range; Flameproof design, suitable for hazardous locations in Zone 1 and Zone 2 of factory conditions The gas alarm can be optionally equipped with a liquid crystal concentration display, showing the concentration in real-time on-site The gas alarm can be optionally equipped with a special flameproof acoustic-optic alarm to achieve on-site acoustic-optic alarm Meets customer requirements for any range from 1 to 99999 and all gas detection needs; Two sets of normally open passive contact outputs, used for controlling contactors for fans or solenoid valves Exquisite power supply design, pure SMT component surface mount technology, ensuring stable product performance; The sensor uses imported gas-sensitive components, with high precision, long service life, small zero drift, fast response time, long-term continuous operation, small size, convenient operation, and good anti-poisoning performance The alarm point adjustment, zero adjustment, and target point calibration of the transmitter can be performed without opening the cover via the controller Suitable for dozens of gas detections and can display gas names; gas units: ppm, LEL%, VOL%, mg/m3 International standard (4～20)mA signal can be directly connected to the factory DCS system, and RS485 digital signal is connected to the factory host computer
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