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) |