Category: Fixed Gas Detection - Sensors

A fixed gas system is one which is used for protection of set areas or product as well as for personal protection. A fixed system is monitored 24/7 and normally reports back into a “Building Management System” so that in the event of an alarm a protocol is followed to avoid any serious events. The sensors may be mounted in the hazardous areas (diffusion) or outside the area with the use of a pump system (sample-draw), both of these then take a signal back to a controller or BMS to indicate the sensor readings. In the event of a power failure we recommend a battery back up be installed with a Fixed System to ensure protection is constant during any power failures. A portable gas monitor should always be on stand by where a fixed system is installed in the event of a failed sensor.



AIRFLOW offers a rugged, non-contact solution for the universal requirement to monitor air velocity and direction in any tunnel application.  AIRFLOW is a low cost, low maintenance solution that is ideally suited to tunnel environments.  A modern design, using the latest technology and components, housed in a stainless-steel enclosure – this instrument is closest yet to a “fit and forget” airflow monitor.

Continue reading “Direction Model for Tunnels” »



The heavy duty electrochemical sensor is a diffusion style head that is ideally suited to meet a wide variety of Toxic gas detection needs. The C2300 can be wired into any controller as well as into any existing BMS or PLC system.

Continue reading “Range Toxic Gas Sensor” »


GD-70D Model

The new Model GD-70D smart gas detection transmitter series sets a new standard for performance, flexibility, and versatility. The long life high capacity pump and wide variety of sensing elements are replaceable in a few seconds, with no tools required. The smart sensors retain all calibration and sensor-specific data in non-volatile memory, so sensors can be hot-swapped in the field with no programming required.

Continue reading “Intelligent Gas Detector” »



This highly reliable, cost effective Hydrogen Sulphide sensor, amplifier and enclosure is designed to fit into any current controller or BMS system.  Used mainly in the Sewerage treatment industry the H2S sensor has proven itself as a robust unit that stands up to any environment.

Continue reading “H2S Sensor” »


Novicom Model

Built with a “stand alone” capability (i.e. it has no need for a control unit), the NOVICOM is a single sensor solution for measuring CO, NO and visibility in road tunnels.  Having been designed specifically for the requirements of tunnel operators, NOVICOM has a low cost of ownership and minimal maintenance requirements.

Continue reading “Visibility Gas Monitor for Tunnels” »

O2 Sensor sm


Ideally suited for Laboratory environments, the Oxygen Sensor has been designed to be used in conjunction with a Beacon Controller.  Matched with a  Siren and Strobe the O2 system can be used as a stand alone system or integrated into a full BMS System.

Continue reading “Oxygen Sensor” »


SD-805 Series

With a visual display the Model SD-805 series smart transmitter/detector heads are state of the art instruments housed in a flameproof enclosure. Calibration of the instrument is able to be carried out with a simple magnetic control key by placing it over clear marked positions on the surface plate.  It is ideal for Intrinsically Safe Applications.

Continue reading “Smart Transmitter / Infrared Gas Detector” »


V-Com Model

With low cost of ownership and minimal maintenance required the VCOM is a robust unit that satisfies the common requirement for a single sensor solution for monitoring both Carbon Monoxide and visibility in road tunnels.

Continue reading “Visibility Monitor for Tunnels” »


Vipa Model

VIPA provides a dependable solution to the requirement for stand alone visibility monitoring in the tunnel environment.  The instrument consists of a transmitter head  and receiver head mounted 6m apart on the tunnel wall or ceiling.

Continue reading “Visibility Monitor for Tunnels” »



The Combustible Gas Sensor type R61-0203-02RK, for diffusion sensing, is a highly reliable catalytic style sensor which is designed to give extended service even under extreme conditions.  Arguably the most robust catalytic Combustible sensor on the market, this sensor will typically last 3-7 years.

Continue reading “Combustible Sensor” »



This Carbon Monoxide transmitter is designed purely for the Car Park Market and as such is a highly reliable and very cost effective 4-20 mA transmitter for the detection of carbon monoxide gases. The large electrochemical cell are designed for long life and typically last 3 – 5 years.

Continue reading “Carbon Monoxide Carpark Sensor” »



Control Equipment now offers a very cost effective solution for Carbon Monoxide Exhaust Emission Monitoring and Exhaust Fan Control for enclosed carparks and similar applications.

Continue reading “Economy Carbon Monoxide Sensor” »



Ventilation control by CO2 is a viable and energy efficient way of controlling ventilation to target cfm / person levels based on actual occupancy.  The measurable rather than traditional approach of providing fixed ventilation is based on maximum occupancy.

Continue reading “Economy Carbon Dioxide Sensor” »



The T99-CO2D Carbon Dioxide sensor is designed to be installed in HVAC applications.  The CO2 sensing element uses Non-Dispersive Infrared technology (NDIR) with the patented self-calibration system to guarantee long-term stability and up to  15 years lifetime. Continue reading “Economy Carbon Dioxide Sensor Model” »

KR61-0203-02RKTR picture

KR61-0203-02 RKTR

The KR61-0203-02RKTR Sensor configuration consist of a 3-wire sensor, amplifier and enclosure with terminal strips. The Combustible Gas Sensor type KR61-0203-02RKTR, for diffusion sensing, is a highly reliable catalytic style sensor which is designed to give extended service even under extreme conditions. Continue reading “COMBUSTIBLE GAS SENSOR” »



The M2A™ is a state-of-the-art transmitter that can operate as an independent, stand-alone monitor or as part of an integrated system. The M2A connects with an analog or digital signal to virtually any controller, PLC, or DCS. Setup procedures are simplified with user friendly push buttons and LCD menus. It utilises a magnetic wand technique for performing non-intrusive calibration. The M2A provides an automatic zero drift correction feature, which results in more stable readings and reduces the need for adjustments due to sensor aging. Continue reading “Stand Alone Transmitter” »


SD-1 Series

Our SD-1 line of smart transmitters feature state-of-the-art gas detectors with durable flameproof enclosure, maximum safety, especially in hydrogen/ acethylene atmospheres. A simple magnetic control key is placed over clear marked positions on the surface plate to test and adjust the instrument without opening the transmitter in situations with danger of explosion. This “single-man-calibration” is already in use and applicable with other Control Equipment gas detectors for easy maintenance. Continue reading “SD-1 Series” »


Digester Gas Monitor

Gas from waste digesters contains high levels of methane, CO2, and H2S, and little to no oxygen present. The Control Equipment Digester Gas Monitor checks for all these gases on a cyclic basis. A powerful air aspirator pulls a sample from up to 30 metres away. Since digester gas contains high humidity and high H2S, both of which can cause damage to sampling systems, the Digester Gas Monitor is designed to handle these with no damage to the sampling system or sensors. The sample is filtered through a series of dirt, dust, and moisture stopping filters, and these filters are automatically blown back and cleaned out with fresh air at the end of each cycle.
Continue reading “Digester Gas Monitor” »

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