Description Overview GAOTek HF hydrogen fluoride gas sensor (also called gas sensor or gas transmitter). Can continuously detect the density of Hydrogen fluoride gas in the operating places. Standard 4 mA to 20 mA or RS485 signal output. Sound and light alarms can get into the DSC system directly. Technical Specifications Detecting Gas HF Measuring Range 0 PPM to 10.0 PPM Resolution 0.1 PPM Deviation ≤ ± 3 % F.S Response Time T90 < 30 s Working Humidity < 95 % R.H. no condensation Sensor Electrochemical sensor; Catalytic combustion type sensor for KQ500D-EX Sensor Life 2 to 5 year Working Voltage 24V DC ± 15 % Working Time continuously as long as power input Protection Class IP66 Fixed Parameter Fixing type: wall-mounted type Transition cable: two core shield cable ( Three core shield cable), Section 2 mm2 × 1.5 mm2, external diameter 10 mm Transmission distance ≤ 1000 m Technical Parameter Working voltage: 24 V DC ± 15 % Working current: It is 120 mA, others ≤ 50 mA Output signal: 4 mA to 20 mA standard signal two wire type output ( three wire) Weight 3.31 lb (1.5 kg)
