Imported sensors gas alarming detector

Model Number: HFF-EX # 673 Brand Name: Hua Fan Qin Lu Key Specifications/Special Features: New single point of wall-mounted gas alarming detectorProduct description:Our product has widely used in detecting toxic and harmful gas or oxygen content detection in metallurgy, chemical industry, petroleum, pharmaceutical, environmental industries and other work environment with imported sensors, high precision and strong anti-interference ability, long service lifeLCD display, intelligent sound and light alarm design, simple operation, easy calibration, zero and alarmSettings, can be output relay control signalsMetal shell, solid and durable, easy to installBasic parameters:Size: 335 * 203 * 92.4mmWeight: 3800gSensor types: electrochemistry method (gas catalytic combustion type, special separately)Working pattern: continuous work can be set high or low point alarmingAnalog interface: 4-20mA output (optional)
Digital interface: RS485 bus interface (optional)
Backup power supply:
Provides power more than 12 hours of battery life (optional)
Provides battery status indicator
Display mode: high brightness red digital tube
Alarm: more than 90dB alarm way: voice alarm (10cm away from detector measurement data)
Light alarm for LED warning light
Output control: two way alarm control relay output
Additional features: time, calendar display
Working voltage: 220V AC, 50Hz
Temperature range: - 20 to 50°C
Humidity: 15-90% RH (no condensation)
Installation method: wall-mounted installation