Oldham OLCT 80 Fixed Gas Detector

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Oldham OLCT 80 Fixed Gas Detector

  • Wireless gas detector designed for hazardous and industrial environments.
  • Provides wireless connectivity in ATEX Zone 1 areas, reducing installation wiring requirements.
  • Available in wireless and non-wireless versions.
  • Compatible with all Industrial Scientific gas sensors.
  • Supports multiple gas detection technologies.
  • Can operate as a standalone detector or as part of a larger gas detection system.

Key Features

  • Supports catalytic, electrochemical, infrared, and semiconductor sensors.
  • Local LCD display for gas readings and status information.
  • Infrared remote controller for non-intrusive calibration.
  • One-person calibration and maintenance.
  • Flameproof and intrinsically safe sensor options available.
  • Suitable for use in hazardous and explosive environments.

Status Indicators

  • Green LED – Normal operation.
  • Yellow LED – Fault condition.
  • Red LED – Gas alarm condition.
  • Four status lamps for quick visual indication.

Detection Options

  • Combustible gas detection.
  • Toxic gas detection.
  • Oxygen monitoring.
  • Carbon Dioxide (CO₂) monitoring using optional infrared sensor.
  • Supports a wide range of Industrial Scientific gas sensors.

Outputs & Communication

  • Analogue output options.
  • Digital TOR outputs.
  • Modbus RS485 communication.
  • Single fault relay.
  • Two gas alarm relays.
  • Compatible with MX62 central controllers and other monitoring systems.

Wireless Networking

  • 2.4 GHz wireless communication (EU models).
  • Wireless range up to 2 miles (EU version).
  • 900 MHz wireless communication (USA models).
  • Wireless range up to 6 miles (USA version).
  • Robust mesh network architecture.
  • Supports up to 49 devices per network.

Construction & Design

  • Epoxy-coated aluminium transmitter housing.
  • Stainless steel sensor housing.
  • Designed for harsh industrial environments.
  • Cable entries:
    • 4 x M20
    • 2 x M25
    • Additional options available

Technical Specifications

  • Operating Temperature: -20°C to +60°C.
  • ATEX approved.
  • Complies with EN 50270.
  • Weight (Standard Version): 3.5 kg.
  • Weight (Infrared Version): 5.3 kg.

Applications

  • Oil & Gas facilities.
  • Chemical processing plants.
  • Industrial manufacturing sites.
  • Utilities and infrastructure.
  • Hazardous area gas monitoring.
  • Remote and difficult-to-wire locations.

Benefits

  • Reduces installation costs through wireless connectivity.
  • Flexible support for multiple sensor technologies.
  • Suitable for standalone or networked operation.
  • Easy maintenance with non-intrusive calibration.
  • Reliable communication through mesh networking.
  • Designed for harsh industrial and hazardous environments.
Part Number Description
Gas Detectors – With XP On-board Sensor
OLCT80-XP-001-1OLCT80, flameproof, with XP on-board sensor, Methane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-002-1OLCT80, flameproof, with XP on-board sensor, Methane 100%LEL (4.4% vol), cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-003-1OLCT80, flameproof, with XP on-board sensor, Hydrogen 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-003-2OLCT80, flameproof, with XP on-board sensor, H₂ 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-004-1OLCT80, flameproof, with XP on-board sensor, Butane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-005-1OLCT80, flameproof, with XP on-board sensor, Propane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-006-1OLCT80, flameproof, with XP on-board sensor, Ammonia 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-007-1OLCT80, flameproof, with XP on-board sensor, Ethyl Acetate 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-008-1OLCT80, flameproof, with XP on-board sensor, Butyl Acetate 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-009-1OLCT80, flameproof, with XP on-board sensor, Methyl Acetate 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-010-1OLCT80, flameproof, with XP on-board sensor, Acetone 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-011-1OLCT80, flameproof, with XP on-board sensor, Acetonitrile 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-012-1OLCT80, flameproof, with XP on-board sensor, Acetylene 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-012-2OLCT80, flameproof, with XP on-board sensor, C₂H₂ 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-013-1OLCT80, flameproof, with XP on-board sensor, Acrylic Acid 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-014-1OLCT80, flameproof, with XP on-board sensor, Acrolein 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-015-1OLCT80, flameproof, with XP on-board sensor, Butyl Acrylate 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-016-1OLCT80, flameproof, with XP on-board sensor, Ethyl Acrylate 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-017-1OLCT80, flameproof, with XP on-board sensor, Acrylonitrile 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-018-1OLCT80, flameproof, with XP on-board sensor, Benzene 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-019-1OLCT80, flameproof, with XP on-board sensor, 1,3-Butadiene 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-020-1OLCT80, flameproof, with XP on-board sensor, Butanol (Isobutanol) 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-021-1OLCT80, flameproof, with XP on-board sensor, 2-Butanone (MEK) 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-022-1OLCT80, flameproof, with XP on-board sensor, Cumene 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-023-1OLCT80, flameproof, with XP on-board sensor, Cyclohexane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-024-1OLCT80, flameproof, with XP on-board sensor, Cyclohexanone 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-025-1OLCT80, flameproof, with XP on-board sensor, Dimethyl Ether 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-026-1OLCT80, flameproof, with XP on-board sensor, Dodecane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-027-1OLCT80, flameproof, with XP on-board sensor, Ethane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-028-1OLCT80, flameproof, with XP on-board sensor, Ethanol 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-029-1OLCT80, flameproof, with XP on-board sensor, Ether (Diethyl Ether) 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-030-1OLCT80, flameproof, with XP on-board sensor, Ethylene 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-031-1OLCT80, flameproof, with XP on-board sensor, Formaldehyde 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-032-1OLCT80, flameproof, with XP on-board sensor, LPG 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-033-1OLCT80, flameproof, with XP on-board sensor, Diesel 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-034-1OLCT80, flameproof, with XP on-board sensor, Natural Gas 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-035-1OLCT80, flameproof, with XP on-board sensor, Heptane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-036-1OLCT80, flameproof, with XP on-board sensor, Hexane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-038-1OLCT80, flameproof, with XP on-board sensor, Isobutane 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-039-1OLCT80, flameproof, with XP on-board sensor, Isobutene 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland
OLCT80-XP-040-1OLCT80, flameproof, with XP on-board sensor, Isopropanol 100%LEL, cable entries: 2xM25 + 4xM20, supplied without cable gland

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