4-channel Multiple Functions Inspection Gas Detection, Alarm Sensor

Model Number: HFM-104#0002 Brand Name: HuaFan QinLu Key Specifications/Special Features: Basic parameters:Size: 480 * 250 * 130mmWeight: about 6kgWorking voltage: 220V/AC, 50HzOutput voltage: 24V DCNumber of channels: 1-8Digital tube display mode: highlight inspection wayInput signal: 4-20mASignal output: (optional) 1-8 standard 4-20mA current loop output and with input signal one to oneCommunication interface: (optional) 1 road RS232 and RS485 bus interfaceStandard modbus RTU protocol or non-standard, can connect the computer monitorResponse time: 8 seconds or less
Control output: 250V/AC, 30V DC/10A (relay switch output)
Sampling accuracy: 12bit AD
Measurement range: 0-9999 (can be set)
Alarm way: first alarm more than 90dB alarm way, second alarm more than 120dB
Inspection time: 1s every road inspection 1S
Connection mode: can connect two wire, three wire system 4-20mA current signal of the transmitter
Humidity range: -10 to 50°C
Humidity: 15-70% RH (no condensation)
Installation method: wall-mounted installation