3M OLCT 700 / OLCT 710 Heavy Duty Fixed Gas Detector


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Oldham Model Series OLCT 700/710 industrial gas detection sensors are specifically designed for harsh and extreme locations. The sensors are a new generation of intelligent sensor modules that incorporate and integrate several leading edge improvements.

  • 316 SS Construction

  • IP 66

  • Multi-Layer Surge Protection

  • SIL2 Certified for Combustible Gases and H2S Detection

  • Environmentally Bulletproof

Product Description


The OLCT 710 IR replaces models OLCT 60 XPIR, OLCT 80 XPIR, OLCT 100 XPIR.

Series OLCT 700's sensors utilise distinctive gas detection technologies to satisfy a wide range of industrial applications that require monitoring of, toxic and flammable gases.

The sensor electronics are completely protected and immune to water ingress and corrosion.

The gas detector sensor elements are all plug-in components and can easily be replaced in the field.

The operator interface is non-intrusive via a small handheld magnet. Configuration and routine calibration are intuitive and menu driven with fully scripted instructions.

Sensor status is displayed on a built-in alphanumeric LED display.

Model Series OLCT 700/710 intelligent sensor modules feature dual outputs, a linear 4-20mA analogue signal and a Modbus RS-485 serial output.

It is becoming increasingly important that safety systems meet the Safety Integrity Level (SIL) requirements of IEC 61508 and IEC 61511. The SIL rating can only be determined by considering the complete safety system.

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Product Downloads

View FileOldham 700/710 Datasheet
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