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OLCT IR Infrared Transmitter Detector
Brand: Oldham
Features
- Resistant to poisons and corrosion
- SIL2 capability (according to EN 50402/EN61508)
- MTBF of 28 years (according to INERIS CGR 7448)
- Non-intrusive calibration
- Fail-safe technology
Specifications
Brand
Accuracy
- ± 2 % LEL HC or ± 3 % of the Value
- ± 3 % LEL CH₄ or ± 5 % of the Value
Approvals & Certifications
- SIL 2 INERIS 03-ATEX-0141X, 02, EN 50402, EN 61508
- ATEX 94/9/EC INERIS 03-ATEX-0141X, Ex TD A21 IP66 T135° C, Tamb: -50° C to 65° C, EN 61779-1, -4
- CE
- EMC EN 50270
- Ex
- IECEx INE 07.0005X, Ex TD A21 IP66 T135° C, Tamb: -50° to 65° C
Cable Entry
- Typical of Cable Inlet: Cable Gland
- Typical of Cable Inlet: M20
Consumption
- Average: 2.5 W
Electrical Connectors
- 3 Active Wires
- Shielded Cable
Enclosure, Body Material
- 316L Stainless Steel
Environmental Protection
- IP66
- IP67
Humidity
- 0 to 99 % Relative Humidity, Non-Condensing
Load Resistance
- 300 ohms, Max.
Measuring Range
- 0 to 100 % Lower Explosive Limit (LEL) CH₄, C₃H₈
- 0 to 100 % of Volume CH₄
- 0 to 3 % of Volume CO₂
Operating Temperature
- -25° to 55° C (-13° to 131° F)
- -50° to 55° C (-58° to 131° F) on CH₄ (P/N WIRCH4LBT) & Propane (P/N WIRPROLBT)
Output
- 4-20 mA
Power Supply
- 15-30 Vdc at Detector Terminal
Resistance
- Maximum
Response Time
- T90 < 8 seconds
Sensitivity
- 1 % LEL
Storage Temperature
- -50° to 55° C (-58° to 131° F)