Teledyne Oldham OLCT 100 & OLC 100 Fixed Gas Detectors
The Teledyne The OLC/OLCT 100 range of fixed detectors is designed to detect combustible, toxic, refrigerant or oxygen gases.
This detector can incorporate a wide range of detection technologies, including catalytic oxidation, infrared, electrochemical, semiconductor and MEMS, to guarantee the best detection performance for different gases, measurement ranges and environmental conditions The stainless steel version of the OLCT 100 offers enhanced resistance to corrosive environments (marine applications, purification plants, food processing, etc.).
Available in explosion-proof or intrinsically safe versions, the OLCT 100 is ATEX certified for zone 1 (gas) and zone 21 (dust). The intrinsically safe OLCT 100 IS is certified for use in Zone 0 (gas)
and Zone 20 (dust).
With a Wheatstone bridge output (OLC 100) or 4-20mA output (OLCT 100), the Oldham OLCT 100 and OLC 100 are suitable for every application, with product versions designed specifically for catalytic, electrochemical, semiconductor, or poison control.
With the benefit of ATEX approval, the Oldham OLCT 100 and OLC 100 are available in explosion safe or intrinsically safe versions.
An infrared sensor is available in addition to this range. This sensor allows use in a much more severe types of environment, where the presence of poisons could harm the use of a catalytic sensor.
The product versions include:
| Model | OLC 100 | OLCT 100 XP | OLCT 100 XP IR | OLCT 100 XP | OLCT 100 XP HT | OLCT 100 XP | OLCT 100 IS |
| Sensor | Catalytic bead | Catalytic bead | Infrared | Electrochemical | Catalytic bead | Semi-conductor | Electrochemical |
| Material | Epoxy-coated aluminium housing (Inox 316L optional). 316 stainless steel sensors |
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| Dimensions (mm) (inches) |
135 x 133 x 84 5.43 x 5.24 x 3.31" |
135 x 133 x 84 5.43 x 5.24 x 3.31" |
179 x 138 x 84 7.05 x 5.43 x 3.31" |
179 x 138 x 84 7.05 x 5.43 x 3.31" |
150 x 138 x 84 5.91 x 5.43 x 3.31" |
179 x 138 x 84 7.05 x 5.43 x 3.31" |
179 x 138 x 84 7.05 x 5.43 x 3.31" |
| Weight (kg) | 0.95 | 1 | 1.1 | 1.1 | 1.8 | 1.1 | 1.1 |
| Ingress Protection | IP66 | ||||||
| Cable Entry | M20 or ¾ NPT | ||||||
| Supply Voltage | only by OLDHAM Controller |
15.5 to 32 VDC | 13.5 to 32 VDC | 10 to 32 VDC | 15.5 to 32 VDC | 15.5 to 32 VDC | 15.5 to 32 VDC |
| Average Consumption |
340 mA | 110 mA | 60 mA | 23.5 mA | 100 mA | 100 mA | 23.5 mA |
| Pressure | atmospheric ± 10% | ||||||
| Output signal | Usual source encoded from 0 to 23 mA (not isolated) - linear 4 to 20 mA output, reserved for measurement - 0 mA : electronic fault or no power supply - < 1 mA: fault - 2 mA: initialization mode - > 23 mA: out of range |
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| Approvals | Compliant with European directive ATEX 2014/34/EU and with IECEx schedule for explosion-proof detectors. OLC 100, OLCT 100 XP, OLCT 100 XP IR : ATEX II 2 GD / Ex d IIC T6 Gb / Ex tb IIIC T85°C Db IP66 OLCT 100 XP HT: ATEX II 2 GD / Ex d IIC T6 Gb / Ex tb IIIC T85°C Db IP66 (for the transmitter to be installed in a cold zone) ATEX II 2 G / Ex d IIC T4..T2 Gb (for the sensor to be installed in the hot zone) OLCT 100 IS Aluminum : ATEX II 2 GD / Ex ia IIC T4 Gb / Ex ia IIIC T135°C Db IP66 OLCT 100 IS Stainless Steel : ATEX II 1 GD / Ex ia IIC T4 Ga / Ex ia IIIC T135°C Da IP66 SIL 2 according to EN 50402 / EN 61508 for catalytic versions, O2, CO, NH3 and H2S Metrological performances according to EN/IEC 60079-29-1 Electromagnetic compatibility according to EN 50270 |
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| Cable | 3 active wires, shielded cable |
3 active wires, shielded cable |
3 active wires, shielded cable |
2 active wires, shielded cable |
3 active wires, shielded cable |
3 active wires, shielded cable |
2 active wires, shielded cable |
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