Zeta Reflective Beam Smoke Detector 5-40 Metres (ZT-BEAM)

Zeta Alarms

    • £348.00
    • (Exc. VAT: £290.00)
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    Zeta Reflective Beam Smoke Detector 5-40 Metres (Including Controller and 1 Reflector)

    Beam smoke detection was previously unreliable at protecting large areas as building movement and accessibility made these devices both inaccurate and and time-consuming to install and maintain. The Zeta Beam Reflective Beam Smoke Detector has been designed to intelligently overcome these issues to provide a cost-effective solution for optically detecting smoke over large areas.

    The main reason that this device is so much more reliable is that it uses a motorised head unit to allow for accurate beam alignment with the reflector instead of a stationary head. On commision, the head unit will self-align with the centre of the reflector unit and automatically ensure it stays aligned with the reflector even if building movement occurs.

    The ZT-BEAM is compatible with many major fire alarm system control panels and has a very low level of power consumption; it only uses 3mA at all times.

    Designed to comply with EN54 Part 2, this beam smoke detector has a range of 5 to 40 metres. Range extension kits are also available to increase the range of the beam up to a massive 100 metres.

    The clever design of this device ensures that false alarms are kept to a minimum, saving you time, resources and money and protecting your reputation.


    • Reflective beam smoke detector.
    • Motorised head unit.
    • Controller unit (mounted at low level).
    • Designed to comply with EN54 part 2.
    • Compatible with most major fire panels.
    • Very low power consumption.
    • Uses only 3mA at all times.

    Technical Specification

    • Supply Voltage: -10.2 to 30 VDC
    • Supply Current: 3.5mA (constant current) in all operational states
    • Constant Current: 17mA (constant current) in fast commissioning
    • Temperature: -10�C to +55�C
    • Humidity: 10 to 95% RH Non-condensing
    • Protection Index: IP65 when suitably mounted and terminated
    • Dimensions:
      • Head: (H) 180mm (W) 155mm (D) 137mm
      • Controller: (H) 185mm (W) 120mm (D) 62mm
    • Weight: 1.65kg (both parts)
    • Optical Wavelength: 870nm
    • Maximum Angular Alignment: �5
    • Maximum Angular Misalignment (static not auto-aligning): Beam Head �0.75�, Reflector �2�
    • Protection Range: 5 to 40 metres
    • Alarm Sensitivity Levels: 25%(1.25dB) to 50%(3dB) in 1%(0.05dB) increments (default 35% (1.87dB))
    • Alarm Condition: Obscuration drops to below pre-defined sensitivity level. Time to Alarm Condition adjustable 2 to 30 seconds in 1 second increments (default 10 seconds)
    • Alarm Indication: Controller Status � FIRE, Controller Red Flashing LED, Head Red Flashing LED, Alarm Relay Change Over (CO) Contact, Rating 2A @ 30 VDC
    • Test/Reset Features: Beam test function by controller, Alarm latching/auto-reset selectable (default auto-reset), Alarm reset in latching mode by controller reset function, removing power for >5 seconds, apply 12 to 24 VDC to reset connections in Beam Head.
    • Fault Sensitivity Level: 90%
    • Fault Condition: Obscuration drops to below the fault sensitivity level within 1 second, Power Down or Supply Voltage < 9 VDC, Commissioning modes, Pre-Alignment and Auto Alignment, Beam turned off during Beam Maintenance Time to Fault Condition adjustable, 2 to 60 seconds in 1 second increments (default 10 seconds)
    • Fault Indication: Controller Status � FAULT, Controller Yellow Flashing LED 1 Second, Head Yellow Flashing LED 1 Second, Fault Relay Change Over (CO) Contact, Rating 2A @ 30 VDC
    • Normal Condition: Obscuration level is above the Alarm sensitivity level, Controller Status � NORMAL, Controller Green Flashing LED, Programmable on/off, Head Green Flashing LED, Programmable on/off.
    • Auto-align/Beam Contamination Compensation: Auto-align during normal operation if obscuration drops below 90% for the duration of the align time set (doesn�t effect normal operating mode), Beam Contamination Compensation 4 hour monitoring. Compensation data available at the controller.


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