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Discovery UL

Discovery UL is a range of high-specification, intelligent fire detectors developed to meet the requirements of sophisticated systems while providing engineers with an additional dimension in fire protection capability.

Discovery UL has a ‘distributed intelligence system’ where decisions are made in the detector head as well as at the control panel. Drift compensation is also incorporated into the detector, allowing it to adapt to dirty or dusty environments, which reduces false alarms.

Key features of Discovery UL include:

• Rejection of transient signals
• Flashing LED option
• Five response modes for ease of optimization to changing environments
• Drift compensation to ensure constant sensitivity
• Four bytes of non-volatile memory for user data
• Alarm flag for fast alarm reporting
• Conventional alarm facility during control panel processor fault
• 360° visibility in alarm
• Compatible with XP95A systems

Discovery UL Ionization Smoke Detector

The Ionization detector uses a low activity radioactive foil to detect fires by irradiating the air in the smoke chambers and causing a current flow. If smoke enters the chamber, the current flow is reduced leading to an alarm
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Discovery UL Photo-Electric Smoke Detector

The Discovery UL Photo-Electric Smoke Detector works using the light scatter principle and is ideal for applications where slow-burning or smouldering fires are likely.
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Discovery UL Heat Detector

The Discovery UL Heat Detector, distinguishable by the low airflow resistant case, uses a single thermistor to sense the air temperature around the detector.
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Discovery UL Multisensor Detector

The Discovery UL Multisensor Detector comprises optical smoke and thermistor temperature sensors whose outputs are combined to give the final analog value. As a result, the Multisensor is useful over a wide range of applications and is highly immune to false alarms.
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XP95A Mounting Base

All detectors in the Discovery UL range fit the XP95A Mounting Base. The Mounting Base is a low insertion force base with stainless steel contacts for the detector terminals. XPERT cards are supplied with all bases.
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E-Z Fit Base

The E-Z Fit Base is a low profile 6” mounting base for Discovery UL detectors.
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XP95A Isolating Base

The XP95A Isolating Base senses and detects short circuit faults on Discovery UL loops and spurs.
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XP95A Isolator

The XP95A Isolator can be used on a Discovery UL loop and is placed at intervals on the loop and ensures that, in the case of a short circuit, only the section between the isolators will be affected. When the short circuit is removed, the isolators automatically restore power and data to the isolated section.
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XP95A Isolator Base

The XP95A Isolator Base is unique and designed to only accept the XP95A isolator. However, both can be used with a Discovery UL system.
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