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Apollo Orbis A2S Heat Detector with Flashing LED ORB-HT-11014-APO

Apollo Orbis CR Heat Detector with Flashing LED ORB-HT-11017-APO

Apollo Orbis A1S Heat Detector with Flashing LED ORB-HT-11167-APO

Apollo Orbis BR Heat Detector with Flashing LED ORB-HT-11015-APO

Apollo Orbis CS Heat Detector with Flashing LED ORB-HT-11018-APO

Apollo Orbis A1R Heat Detector with Flashing LED ORB-HT-11013-APO

Apollo 29600-799 Talentum Test Torch

Apollo Loop-Powered Clear Visual Indicator 55000-878APO

Apollo Loop-Powered Amber Visual Indicator - 55000-879APO

Apollo XPA-CB-14027-APO XPander Multisensor Detector with Sounder VID Base White Flash

Apollo XPA-CB-14023-APO XPander Multisensor Detector with Sounder VID Base Red Flash

Apollo XPA-CB-14019-APO XPander Multisensor Detector with Sounder Base

Apollo XPander A1R Heat Detector XPA-HT-11170-APO

Apollo XPander A1R Heat Detector XPA-HT-11170-APO

Apollo XPander A1R Heat Detector XPA-HT-11170-APOThere are two heat detectors in the XPander range designed to suit a wide variety of operating conditions. A Static Heat Detector CS which responds only when a fixed temperature has been reached and a Rate-of-Rise Detector A1R which has a fixed upper limit but in addition measures the rate of increase in temperature.OperationHeat detectors have an open-web casing which allows air to flow freely across a thermistor which measures the air temperature every 2 seconds. A microprocessor stores the temperatures and compares them with pre-set values to determine whether a fixed upper limitthe alarm levelhas been reached. In the case of rate-of-rise detectors the microprocessor uses algorithms to determine how fast the temperature is increasing. Static heat detectors respond only when a fixed temperature has been reached. Rate-of-rise detectors have a fixed upper limit but they also measure the rate of increase in temperature. A fire might thus be detected at an earlier stage than with a static detector so that a rate-of-rise detector is to be preferred to a static heat detector unless sharp increases in temperature are part of the normal environment in the area protected by the heat detector.Key FeaturesWireless Can be used in applications where smoke detectors are unsuitableIdeal for environments that are dirty or smoky under normal conditionsCS detectors are ideal for use in environments with rapid temperature fluctuations such as boiler rooms Bi-directional monitored radio platformFive-year battery life using standard AA alkaline batteries

GBP 69.42
1

Apollo Orbis I.S. A1R Heat Detector with Flashing LED ORB-HT-51146-APO

Apollo Orbis I.S. A1R Heat Detector with Flashing LED ORB-HT-51146-APO

Apollo Orbis I.S. A1R Heat Detector with Flashing LED ORB-HT-51146-APOThe Orbis IS Heat Detector monitors temperature by using a single thermistor network which provides a voltage output proportional to the external air temperature. The Orbis IS range incorporates seven heat detector classes to suit a wide range of operating conditions.OperationOrbis I.S. heat detectors have an open-web casing which allows air to flow freely across a thermistor which measures the air temperature every 2 seconds. A microprocessor stores the temperature and compares them with per-set values to determine whether a fixed upper limit - the alarm limit - has been reached. In the case of rate-of-rise detectors the microprocessor uses algorithms to determine how fast the temperature is increasing.Static heat detectors respond only when a fixed temperature has been reached. Rate-of-rise detectors have a fixed upper limit but they also measure the rate of increase in temperature. A fire might thus be detected at an earlier stage then with a static detector so that a rate-of-rise detector is to be preferred to a static heat detector unless sharp increases of heat are part of the normal environment in the area protected by the heat detector.Key FeaturesCan be used for applications where smoke detectors are unsuitableIdeal for environments that are dirty or smoky under normal conditionsReduced incidences of false alarmsIncreased reliability of detection

GBP 77.36
1

Apollo Marine Orbis A1R Heat Detector - ORB-HT-41001-MAR

Apollo Marine Orbis BR Heat Detector - ORB-HT-41003-MAR

Apollo Marine Orbis CR Heat Detector - ORB-HT-41005-MAR

Apollo Marine Orbis A2S Heat Detector - ORB-HT-41002-MAR

Apollo Waterproof Addressable Manual Call Point 58200-951APO

Apollo XP95 Beacon Base with Isolator - 45681-333APO

Apollo XP95 Beacon Base with Isolator - 45681-333APO

Apollo XP95 Beacon Base with Isolator - 45681-333APOThe Visual Indicator Base is a loop-powered visual indicator combined with a standard Intelligent Mounting Base. It is used to signal a fire alarm in enclosed areas. The visual indicator base can be used with either a detector fitted or with a cap as a stand-alone alarm device. The base is loop powered so needs no external power supply. It operates at 1728V DC and is polarity-sensitive.Device AddressingThe Base responds to its own individual address set with a DIL switch. It also responds to a group address set by means of a 4-segment DIL switch and to a synchronisation address which is embedded in the unit. Addresses 1 to 111 are used exclusively for individual addresses addresses 112 to 126 are used for group addressing while the synchronisation address to which all units respond is 0. Any Beacon Base on a loop may be freely assigned to a group. The address for any group must be chosen from the range 112126.Addresses 112126 may be used as individual addresses but only if the 4-segment DIL switch is not used ie group addressing is disabled. If the 4-segment DIL switch were set to any number other than the default 127 a pre-set analogue value of 4 would be transmitted to indicate a fault. The Base is normally polled by its individual address. It responds as described below. It is recommended that the synchronisation address 0 be sent by the control panel at regular intervals to align the internal clock of all sounders. The result is that the beacons are synchronised with each other when activated.Key FeaturesVisual indicator flash rate of once per secondSynchronisation of visual indicator flashIndividual and group addressingUnique visual indicator self-testLoop-poweredBuilt-in Isolator

GBP 35.83
1

Apollo Orbis Marine CS Heat Detector with Flashing LED ORB-HT-41018-MAR

Apollo Orbis Marine CR Heat Detector with Flashing LED ORB-HT-41017-MAR

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

Apollo RW1300-160APO REACH Sounder Base Black

Apollo RW1300-110APO Reach Sounder Base