Fire Detection & Alarm

Discovery is a range of high specification analogue addressable fire sensors. Designed to meet specifications for sensors incorporated in sophisticated systems, Discovery provides engineers with an additional dimension in fire protection capability. View Product

The Discovery Carbon Monoxide (CO) fire sensor contains a long-life electrochemical CO sensor. The sensing technology is fast, accurate and needs only very low power.

CO sensors do not detect smoke particles or heat and are not universal replacements for smoke sensors. View Product

The Discovery heat sensor, distinguishable by the low airflow resistant case, uses a single thermistor to sense the air temperature around the detector. The thermistor is connected in a resistor network, which produces a voltage output dependent on temperature.

This type of sensor is particularly useful where the environment is dirty or smoky under normal conditions. View Product

Air in the dual sensing chambers is irradiated to produce ions that travel to the positive and negative electrodes, creating a current flow. As smoke enters the outer chamber, the flow drops and voltage increases. The voltage is measured and an analogue signal is converted to digital for transmission to the control equipment.

The ionisation sensor is a good general-purpose sensor that responds well to fast burning, flaming fires. View Product

The Discovery manual call point can be addressed at the commissioning stage by means of a seven-segment DIL switch. When operated, the manual call point interrupts the polling cycle for a fast response.

A weatherproof version of the manual call point is available for external use. View Product

The Discovery multisensor detector contains an optical smoke sensor and a thermistor temperature sensor whose outputs are combined to give the final analogue value.

The multisensor is, therefore, useful over a wide range of applications and is highly immune to false alarm sources. View Product

The Discovery optical smoke sensor uses an IR LED which pulses light across a smoke chamber with a photo-diode set an obtuse angle. In clear air it receives no light, but when smoke enters the chamber, light from the LED is scattered onto the photo-diode. A signal is then processed to provide an analogue value for transmission when the detector is polled.

The Discovery optical smoke sensor is suitable for slow burning or smouldering fires and should be positioned where these are most likely to occur. They can be set to a sensitivity mode best suited for the application. View Product

The Firewarn represents a range of user-friendly analogue addressable fire control panels, designed with years of experience and in-depth technical expertise, to protect your buildings and your people. View Product

Designed with end users in mind, this quick reference guide gives details for basic user functions along with contact details for service and maintenance. View Product