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Gas Alarm Controller

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GN9000-S Gas Alarm Controller, sample & deal with the signal of 4 20mA or Mod-bus from detectors,transform the signal to consistency of gas around detectors,display the value of gas consistency & all kinds of system status on LED,give out alarm signal of light & sound ,and output linkage controlling signal if fault or alarm occur.
GN9000-S can work not only with GN8010-C, GN8010-E, GN8020-C, GN8020-E detectors, but also with every kind of instruments, which output standard 4-20mA current. So GN9000-S can be applied to the large centralized monitor system and our company can customize GN9000-S Gas Alarm Controller according the requirements of customers.
Specification
Signal Input 4 20mA(0,2,4 20,22mA)
Display range Digital 0 99999,Unit: %LEL ppm v-v
Accuracy 2%FS
Operation Mode Key
Display Mode 4 digits high-light LED
Control Channel 1 channel
Alarm setting Low limit A1 Alarm (Default 25% F.S.,Adjustable)
High limit A2 Alarm (Default 50% F.S.,Adjustable)
Alarm Mode Audio-visual alarm
Output Signal 0,2,4 20,22mA standard current (Max. 500 load)
Output Control 2 programmable relays, each relay has normal open mode/normal close mode and level mode/pulse mode, contact capacity is 5A 24VDC or 2A 220VAC.
Communication Mode RS485 bus interface (Optional)
Maximum Transmission Distance 4500 m(2.5mm2 copper cable)
Automatic Detection Open/short circuit, lack of voltage, detector status etc.
Working Temperature -20 50
Relative Humidity 20% 95%RH
Power Supply 24VDC
Maximum Power supply Consumption 2.5W
Weight Approximately 0.22Kg
Install Mode Panel mounting

Gas Alarm Controller

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GN9000-W Gas Alarm Controller, sample & deal with the signal of 4 20mA or Mod-bus from detectors,transform to consistency of gas around detectors,display the value of gas consistency & all kinds of system status on LCD,gives out audio and visual alarm signal ,and output linkage controlling signal if fault or alarm occurs.

Specification

Signal Input 4 20mA/Modbus
Display range Digital 0 99999,Unit: %LEL ppm %v-v
Accuracy 3%FS
Operation Mode Touch screen
Display Mode White backlight,LCD display the status of every loop one by one
Control Channel Maximum 64 channels
Alarm setting Each channel can set low limit alarm value and high limit alarm value
Alarm Mode Audio-visual alarm
Output Control Maximum 8 programmable relays, each relay has normal open mode/normal close mode and level mode/pulse mode, contact capacity is 10A 24VDC or 5A 220VAC.
Communication Mode RS485 bus interface (Optional)
Maximum Transmission Distance Different distance according to different input signal
Automatic Detection Open/short circuit, lack of voltage, detector status etc.
Working Temperature -20 50
Relative Humidity 20% 95%RH
Power Supply 220VAC/50Hz or 24VDC
Maximum Power supply Consumption 10W
Standby Power Supply 24VDC 7Ah(Optional)
Weight Approximately 5Kg
Install Mode Wall mounting/Panel mounting


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