Technical Specifications
| Detecting Gas | Oxygen |
| Measuring Range | 0-100%VOL |
| Deviation | ≤± 3% F.S |
| Respond Time | T90 < 30 s |
| Working Temperature | Toxic Gas: -4°F to 122°F. (- 20 °C to + 50 °C) |
| Combustible Gas: -40°F to 158°F (- 40 °C to + 70 °C) | |
| Working Humidity | < 95% RH no Condensation |
| Sensor | Electrochemical Sensor; Catalytic Combustion Type Sensor for KQ500D-EX |
| Sensor Life | 2 to 5 years |
| Working Voltage | 24 V DC ± 15% |
| Working Time | Continuously as Long as Power Input |
| Protection Class | IP 66 |
| Weight | 52.911 oz (1.5 kg) |
| Size | 7.99 x 5.55 x 3.74 in (203mm x 141mm x 95mm) |
| Fixed Parameter | Fixing Type: Wall-mounted Type |
| Transition Cable: Two Core Shield Cable | |
| Technical Parameter | Working Voltage: 24V DC±15% |
| Working Current: KQ500-EX is 120mA, others ≤50 mA | |
| Output Signal: 4 to 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) |
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