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Detecting gas | combustible gas, toxic gas, oxygen |
Measuring Range | according to the gas detected |
Deviation | ≤± 3% F.S |
Respond Time | T90 < 30 s |
Working Temperature | toxic gas: – 20 °C ~ + 50 °C |
Combustible gas: – 40 °C ~ + 70 °C | |
Working Humidity | < 95% R.H. no condensation |
Sensor | electrochemical sensor; catalytic combustion type sensor for KQ500-EX |
Sensor life | 2-5 year |
Working Voltage | 24V DC±15% |
Working Time | continuously as long as power input |
Protection Class | IP66 |
Weight | ≤900 g |
Fixed parameter | Fixing type: wall-mounted type |
Transition cable: two core shield cable | |
(KQ500-EX uses three core shield cable), | |
section 2×1.5mm2, external diameter 10mm | |
Transmission distance ≤1000m | |
Technical parameter | Working voltage: 16~30VDC |
Working current: KQ500-EX is 120mA, others ≤50 mA | |
Output signal: 4~20mA standard signal two wire type output | |
(KQ500-EX three wire type) | |
Explosion-proof Level | Exd IICT6(used for explosion proofing detector); |
ExiaIICT4(used for intrinsic safety type detector) |