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Products > Fire Control/Detection and Deterrent > Zeta Fire Systems > Zeta Conventional Fire Accessories > Zeta Duct Unit

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Duct Unit

Ref: Zeta-DU

The Zeta duct unit enables monitoring of an air duct for smoke particles. It is available with a standard base or a relay base. It is supplied with duct sampling probes.

Under normal conditions no IR reaches the photodiode. But when smoke enters the chamber it causes the IR to scatter, and this will then be picked up by the photodiode. If the photodiode “sees” smoke on the 2 following pulses, the detector enters the alarm state, and lights its LED

Additional Info
Download the Zeta Data sheet - Click here

Related Products
For Zeta Fire Panel -click here
If you need Fire Alarm Detectors -click here
Do you need Sounders and Flashers? -click here

The Range

Common Base - £73.60 + Vat

Relay Base - £80.00 + Vat