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Apollo Cat O. XP95 VAD Base with Isolator 45681-709APO

Apollo 55000-739APO XP95 Open-Area VAD Cat. C - White Body Red Flash C-3-8

Apollo Cat O. XP95 Sounder VAD Base with Isolator 45681-705APO

GBP 72.02
1

Apollo Discovery Cat O. Discovery Sounder VAD Base with Isolator 45681-700APO

Apollo Discovery Cat O. Discovery Sounder VAD Base with Isolator 45681-700APO

Apollo Discovery Cat O. Discovery Sounder VAD Base with Isolator 45681-700APOThe Discovery Sounder VAD Base makes full use of the Discovery protocol. For ease of commissioning a Magnetic Wand can be used to test and adjust each sounder VAD locally.Key FeaturesEN54-23 certifiedFlash rate of 0.5HzIt is possible to set individual volume of the sounder from the panel15 pairs of tones including IMO code 1A General Emergency Alarm and IMO Code 2 All ClearBuilt in isolatorBrand InformationDiscovery is a range of high-specification analogue addressable fire detectors and alarm devices. Discovery detectors offer effective false alarm management by a combination of EN 54 approved operating modes and sophisticated algorithms. Drift compensation further reduces the likelihood of false alarms caused by a build-up of dust in the sensing chamber. In addition to the familiar smoke and heat detectors the Discovery range features two multisensor detectors. One is an opticalheat multisensor which can be used to protect against many types of fire risk. The other is a carbon monoxideheat multisensor which protects against both smouldering fires and those generating heat.OperationThe Discovery Multisensor construction is similar to that of the optical detector but uses a different lid and optical mouldings to accommodate the thermistor heat sensor. The Discovery OpticalHeat Multisensor Detector contains an optical smoke sensor and a thermistor temperature sensor whose outputs are combined to give the final analogue value. The way in which the signals from the two sensors are combined depends on the response mode selected.The five modes provide response behaviour which incorporates pure heat detection pure smoke detection and a combination of both. The multisensor is therefore useful over the widest range of applications. The signals from the optical smoke sensing element and the temperature sensor are independent and represent the smoke level and the air temperature respectively in the vicinity of the detector.The detectors micro-controller processes the two signals according to the mode selected. When the detector is operating as a multisensor the temperature signal processing extracts only rate-of-rise information for combination with the optical signal. In these modes the detector will not respond to a slow temperature increase even if the temperature reaches a high level. A large sudden change in temperature can however cause an alarm without the presence of smoke if sustained for 20 seconds.

GBP 78.12
1

STI WRP2-G-01-CL Outdoor Reset Point - Green Series 01 Custom Label

STI STI-1250-CW2 Weather Stopper II Cover And Plate For Alert Point Long Cable

Aritech ACL800-PB-S ACL800 Touch Capacitive Push Button - Stand Alone - Surface Mount - Silver

Aritech ACL800-PB-B ACL800 Touch Capacitive Push Button - Stand Alone - Surface Mount - Black

Aritech DC115 Surfaceoverhead Mount Aluminium With 2m Armoured Cable 9-62mm Gap CO Biased Grade 2

STI WRP2-R-01 Universal Weatherproof Re-Settable Red Call Point

STI WRP2-R-01 Universal Weatherproof Re-Settable Red Call Point

STI WRP2-R-01 Universal Weatherproof Re-Settable Red Call PointThe Waterproof ReSet Call Points are a unique call point that mimic the feel of breaking glass whilst offering the user the benefits and environmental advantages of a re-settable operating element. They are specially designed for use within harsh environments such as oil rigs ships factories as well as wash down areas that are sensitive to broken glass.They are compatible with most conventional fire alarm systems. They are safe to use in areas where glass cannot be used such as food processing plants and leisure centres. As the units can be simply reset they provide an ideal solution for areas that suffer from a high number of false activations such as schools shopping centres and other public places.Key FeaturesUnique manual call point that mimics the feel of breaking glass whilst offering the user the benefits and environmental advantages of a resettable operating element.An indicator drops into view at the top of the window on activation. The unit is then simply reset with a key and is ready for re-use straight away.Waterproof models are tested to IP67.Extremely attractive high value look and feel glass appearance maintains operator deterrence whilst a visible warning flag confirms activation.Easy installation due to no glass elements that could be broken or incorrectly fitted.Surface mounted 20mm conduit entry points are provided for ease of installation.Operating temperature -20C -4F to 65C 149F.470 680 Ohm

GBP 64.00
1

Carrier C-9602LW-NG Conventional Natural Gas Detector - 220VAC cw Local Buzzer Alarm and Relay

2KG CO2 New Polished Aluminium Extinguisher - 2CPX

Crowcon S01343 Bayonet Sensor Housing For 3-Pin 32mm Diameter Sensors for TXgard-IS

Baldwin Boxall RPP2 Protective Cover for RPAIV