Oldham Gas Detection

gas detector & controllers

MX 32 analog and digital controller

Analog and digital controller
1 or 2 channels, up to 8 detectors
Fully scalable
5” LCD back-lit graphic display
Five programmable events per detector
Smart keys make embedded multi-language menus simple to use

MX 43 SIL-1 Certified Gas Detection Controller

Analog and digital controller
4 or 8 lines, up to 32 detectors
Up to 32 fully programmable relays (OR, AND, NAND, NOR, Voting functions)
Large graphic display
Remote modules (cost savings on wiring installation)
USB Data logging capability
RS485 Modbus RTU and multiple analog outputs
SIL-1 Certified to IEC/EN 61508 and EN 50402 functional safety standards

MX 62

SIL3 and SIL2 according to EN50402:2006 and IEC61508:2011
Up to 64 secured channels for direct or network wiring
Direct network and loop connection
Redundancy from measurement to alarm relays
Functions AND, OR, MIN, MAX, Votingt

OLCT 10 - OLC 10

4-20 mA output analog transmitter without display
Available with catalytic bead, electrochemical or semi-conductor sensor
Detects combustible, toxic and refrigerant gases (CO, NO, NO2, Methane, Propane, Butane, Hydrogen, LPG, NGV and freons) - EN 14624 compliant with regards to R134a monitoring
For commercial use (boiler rooms, hospitals, carparks, etc.)
ATEX 3G certified for use in zone 2 (except semi-conductor version)

OLCT 10N Combustible Gas Detector

Digital transmitter without display
Available with catalytic bead or electrochemical sensors
Detects O2, combustible gas, and toxic gases
Available for detection of O2, CO2, H2S, NH3, NO, NO2, Methane, Propane, Butane and Hydrogen
For commercial and light industrial applications (laboratories, cooling rooms, hospitals, boiler rooms, waste water treatment plants, etc.)
ATEX 3G certified for use in zone 2
For use only with the MX43 controller

Toxic and Combustible Gas Detector

OLCT 100 - OLC 100

4-20 mA analog transmitter without display
SIL2 capability for LEL, O2, CO, H2S, NH3, CO2
Detects combustible, toxic or refrigerant gases and O2
Available with electrochemical, infrared or semi-conductor sensors
Designed for industrial applications
Available in explosion-proof or intrinsically safe versions, and stainless steel
A high-temperature version allows operation up to 200°C

OLCT 20 - OLC 20

Designed for indoor or outdoor monitoring
Complete reliability
SIL2 suitable for combustible gases and O2
Can be fitted on a housing with a M25 or 3/4” NPT thread
Stainless steel detector provides protection and resistance to corrosive agents
The precalibrated sensors can be disconnected by turning the head of the unit

OLCT 60

4-20 mA analog transmitter with display
SIL2 capability for combustible gases
Detects O2, combustible, toxic and refrigerant gases
Corrosion resistant
Designed for industrial applications
Available with remote sensor head, flameproof or intrinsic safety versions
Non-intrusive, one-man calibration
New XP IR infrared sensor for combustible gases or CO2

OLCT 80/OLCT 80 Wireless

Frequency 2.4 GHz (EU) / 900 MHz (USA)
Low Power Requirement
Up to 3 km Line-of-Sight Range
Robust Mesh Network Topologyt
Up to 49 devices per network
Flexible Input/Output options(analog, on/off, Modbus RS485)

iTrans2 Gas Sensor

Detects Explosive and Toxic Gas, or Oxygen
Non-Intrusive Calibration
Smart Infrared Gas Sensors
HART Communication Protocol (NEW)
MODBUS Communication
Programmable Relays
Dual Gas Sensing

(*) versions with local visible alarm are to be installed in ordinary locations only

Series 700 Fixed Gas Detectors

Water-Proof
Corrosion-Proof
Vibration-Proof
Multi-Layer Surge Protection
Up tPre-emptive Fault Diagnostics

The GD10 Series

Life-safety performance approved; ATEX & CSA
15 year warranty IR sources - solid state optics
No field recalibration
Dual skin weather protector – no filters / gauzes or sinters
Planned maintenance with HART
SIL 2/3 certified

GD1 Toxic Gas Laser Detector

The GD1 has been designed with features that provide an effective response to the detection of gas hazards in a wide range of industrial environments from offshore production facilities to wastewater treatment plants.