| General |
| Detection method |
Ir-absorption, dual-wavelength, dual path |
| Ir-source |
Solid-state ir source, 50hz flash |
| Detection range |
0-20% Lel (0-1% vol. ) Methane |
| Gases detected |
Hydrocarbons |
| Self-test |
Continuous |
| Calibration |
Factory set, no field recalibration |
| Performance |
Accuracy
Refers to -20°c to +60°c
(-4°f to +140°f) |
±1% Lel (0-10% lel reading)
±1.4% Lel (10-20% lel reading) |
| Response time |
| Detector reading: |
100% Lel test gas: |
20% Lel test gas: |
| 4% LEL |
0.6 Sec. |
1Sec. |
| 10% LEL |
0.9 Sec. |
2.5 Sec. |
| 18% LEL |
1.3 Sec. |
6 Sec |
|
| Output signal |
| Standard |
Current source 4 â 20 mA, max. Load
Impedance 500 ohm |
| Option |
Current sink 4 â 20 mA |
| Hart® |
Maintenance and configuration |
Detector warnings:
- Early clean optics
- Dirty optics
- Detector failure |
Configurable (HART)
Pre warning (2 mA)
Dirt accumulation (1 mA)
Internal fault (0 mA) |
| Electrical |
| Power supply |
24V DC, range (18 - 32V DC) |
| Power consumption |
Approx. 3.5 W |
| Connection |
3 Wires (0.5mm2- 2.5 mm2) |
| Cable entry |
M20 exe cable gland |