Basic parameters
Size:460 mm * 300 mm * 150 mm
Weight: About 7 kg
Working voltage: AC220V ±10% 50 Hz
Output voltage: DC24V
Display : 7 inches color LCD touch screen, 800 x 480 resolution
Handle: ARM7
The sampling precision: 15 bit AD
Signal input:
(1)simulation approach:
1-32 standard 4-20 mA current input,support 2 /3 wire system
(2)digital way:
1-255 road RS485 bus transmitter
(Note:the 2 ways 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 : level alarm(90dB), secondary alarm(120 dB)
Control the output:1 bus relay output, any way alarm then the relay off.1-8 road relay output 【optional】
Temperature range: - 10 ℃ ~ 50 ℃
Humidity: 15% ~ 70% RH (No condensation)
Execution standard: the Combustible Gas Alarm Controller GB16808-1997 Technical Requirements and Test Methods
Basic parameters
Size：144 mm * 190 mm * 74 mm
Weight: about 1130 g
Sensor types: electrochemistry method (gas catalytic combustion type, special separately)
Destination gas: oxygen (O2), gas (EX), poisonous and harmful gases (CO, H2S, NH3, CL2, etc.)
Response time: less than 20s
Working pattern: continuous work
Working voltage: DC24V
Output signal: 485 digital signal
Output: four wire (two power cord, two signal lines)
Temperature range: - 20 ℃ to 50 ℃
Humidity: 15% ~ 90% RH (No condensation)
Explosion-proof number: CE10 1084
Explosion-proof marks: Exd II CT6
Connection mode: four wire connection mode, in strict accordance with the manual connection
Transmission cables: two core shielded cable or a four core shielded cable, Section 2 * 2 or 4 * 1.5 was was 1.5
Transmission distance:Max 1000 m
Contact: dianna@huafankj.com