Model Number: KZYT2009 Brand Name: HuaFanQinLu Key Specifications/Special Features: Size： 460mm * 300mm * 150mmWeight: about 7kgWorking voltage: AC 220V ±10% 50HzOutput voltage: DC 24VDisplay: 7 inches color LCD touch screen, 800 x 480 resolutionHandle: ARM7Sampling precision: 15 bit ADSignal input: (1) simulation approach: 1-32 standard 4-20mA current input, support 2 wire and 3 wire system (2) digital way: 1-255 road RS485 bus transmitter (analog and digital cannot be used at the same time)Communication interface: 1 road RS232 or RS485 communication interface, standard ModBus RTU protocol or non-standard, can connect the computer monitor (simulation) only (optional)Data storage: can save more than 3200 gas alarm and boot record, covered by circle type storage.Alarm way: first alarm more than 90dB alarm way, second alarm more than 120dBControl the output: 1 bus relay output, any way alarm when the relay and off. 1-8 road relay output (optional)
Temperature range: - 10C - 50C
Humidity: 15% - 70% RH (no condensation)
Execution standard: the combustible gas alarm controller GB16808-2005 technical requirements and test methods