Model Number: HFF-NO Brand Name: Hua Fan Qin Lu Key Specifications/Special Features: Weight: 2100gSensor types: electrochemistry method(Gas catalytic combustion type, special separately)Destination gas: oxygen (O2), gas (EX),Toxic or harmful gases (CO, H2S, NH3, CL2)
Response time:≤30s(O₂), ≤40s(CO), ≤20s
Display: high brightness red digital tube
Alarm: more than 90dB alarm way
voice alarm (10cm away from detector measurement data)
Light alarm for the LED warning light
Output control: relay output (220V AC/5A), signal control (switch)
(optional: 4-20mA current signal output)
Working pattern: continuous work
Working voltage: 220V AC,50Hz
Temperature range: - 20 to 50°C
Humidity: 15-90% RH (no condensation)
Installation method: wall-mounted installation
Basic parameters:
Size: 324 * 154 * 82mm

Product 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 life
LCD display, intelligent sound and light alarm design, simple operation, easy calibration, zero and alarm settings, can be output relay control signals
Metal shell, solid and durable, easy to install