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ROR Heat Detector


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The Zeta Class A1R (rate of rise) heat detector operates by utilising a matched pair of thermistors to sense heat. One of these thermistors is exposed to the ambient temperature, while the other is sealed inside the detector housing. Under normal conditions, both thermistors register similar readings. As fire develops, the temperature registered... Read more »


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Zeta ROR fixed heat detector
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£12.18 + VAT
(£14.62 inc VAT)


The Zeta Class A1R (rate of rise) heat detector operates by utilising
a matched pair of thermistors to sense heat. One of these
thermistors is exposed to the ambient temperature, while the other
is sealed inside the detector housing.

Under normal conditions, both thermistors register similar readings. As fire develops, the temperature registered by the exposed thermistor will rise rapidly, resulting in an imbalance, causing the detector to go into its alarm condition. Rate of rise heat detectors also have an upper temperature limit at which the detector will go into alarm if the rate of temperature increase was too slow to trigger the detector earlier.

Features


The Zeta Class CS (Static response or fixed temperature) heat detector has only one thermistor, and changes to the alarm state at a preset temperature.

• Wide operating voltage 9-33 Volts
• Designed to meet approvals worldwide
• Can be used on security systems
• Compatible with a wide range of bases
• Attractive design
• Remote LED output
• Lockable to base to stop unauthorised removal
• IP 43

Additional Info
Download the Zeta Data sheet - Click here

Main photo of ROR Heat Detector

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