Oldham Simtronics OLCT 20 Fixed Gas Detector
Bulk Orders
The OLCT 20 series sensors are designed for initial assembly applications, which can be installed in shelters, on skids, for monitoring in very small spaces or for on-board applications.
They are mounted via M25 or 3/4″ NPT threads or a special accessory to ensure a robust mounting without the need for an additional junction box.
The OLCT 20 transmitters provide a 4-20mA output that can be directly connected to PLCs with a maximum current consumption of 100mA at 24VDC.
They are certified ATEX explosion-proof by INERIS. Their IIC T6, makes them perfectly suited for the detection of hydrogen.
The stainless steel detectors offer protection and resistance to corrosive agents. IP 66 rated, they are resistant to dust and water splashes.
The OLCT 20’s pre-calibrated sensors can be disconnected from the holder by rotation. These “smart” sensors can be calibrated on a workbench, outside of hazardous areas.
Catalytic oxidation sensors for combustible gases are specially treated to resist poisons. They benefit from extremely fast response times and total reliability.
Features
- Stainless steel base
- Small size
- Atex certification for H2 applications
- Pre-calibrated sensor
Applications
- Machine
- Shelter
- Small spaces
- Mobility
- Refrigeration industry
- Water treatment
Sensor specifications
Accessories:
1 Tool kit (6147869)
2 Calibration cup (6331141) allows introduction of calibration gas on the sensor
3 Bypass adapter (6327910) allows measurement of samples
4 Splash guard system (6329004) protects the detector from liquid projections
5 Remote gas introduction head (6327911) allows gas injection without having to access the sensor
6 Removable protective filter (6335975) protects the sensor against projections and dust
7 Wall mounted collecting cone (6331169) for use with lighter-than-air gases
8 Pitot tube (6793322)
Specifications
| Type | XP transmitter |
| Gas detection principle | Catalytic/Electrochemical / Catharometric |
| Detected gases | Flammable, toxics and oxygen |
| Measuring range | see chart |
| Sensor housing | Stainless steel type 316L |
| Precalibrated sensor | YES |
| Power supply at the detector | 15 to 30 VDC |
| Maximum power consumption | 100 mA (catalytic) |
| Output signal | 4-20 mA |
| Wiring | 3 reinforced wires (catalytic) |
| Load impedance | 250 Ω (catalytic) Depending on power supply (chemical) |
| Wiring connection | delivered with a 6 mm-diameter cable |
| Mounting | M25 thread or 3/4″ NPT or via accessory |
| Ingress protection | IP66 |
| Certification | II 2 GD Ex db IIC T6 Gb Ex tb IIIC T85°C Db T.Amb: -20°C to 70°C INERIS 01 ATEX 0004X |
| EMC Marking | EN 50270:2015 (type 2) |
| Weight | 800 g |
| Dimensions | L 130 x D 60 |
| Operating temperature (for electronics) | -25°C to +60°C |
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