A gas detection system:
is usually used with fixed gas detectors.A detection controller is installed in the monitor room and detectors are installed at the spot. The gas detectors detect real time gas concentration at the spot and send signal to the controller.The panel display real time gas concentration and make alarm when the gas concentration exceed a preset alarm point.
Gas detection controller product features:
1) Input signal: 4-20mA.
2) Option function: Can add 8 reply.
3) Can connected with 16 to 32 channels.
4) Real-name input: can input device installation address name, number, letter.
5) Optiona function:RS485 Standard ModBus RTU protocol output; can connect with the PC.
6) LCD English real time display to show 4/14 channels gas concentrations directly on the screen.
7) Online setting: can set parameters,timing setting,view alarm record, correction and zero adjustment.
8) With relays output to provides an controlling external device (exhaust fan, solenoid valve, etc.)
| Output voltage: | DC24V |
| Channel number: | simulation can provide 16-32 channels, digital signals can provide up to 255 |
| Display: | Can display 4 or 14 road one screen at a time, in English |
| Signal input: | (4-20 mA ) signal input. |
| Optional function: | Communication interface:(optional) 1 road RS232 and RS485 digital bus interface,Standard ModBus RTU protocol; Can connect to computer for data analyzer |
| Alarm way : | first alarm more than 90 dB alarm way; second alarm more than 120 dB |
| Control output: | 4-20mA is with 1 public relay |
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