VESDA VLP (LaserPLUS) Specifications

VESDA VLP (LaserPlus).

LaserPLUS Detector Specifications

Supply Voltage:

18 to 30VDC


Power Consumption @ 24VDC: (No Display or Programmer)

Aspirator @ 3000rpm: Quiescent 240mA / 5.8W - In Alarm 290mA / 7.0W

Aspirator @ 4200rpm: Quiescent 400mA / 9.6W - In Alarm 450mA / 10.8W


Dimensions (WHD):

350mm x 225mm x 125mm (13.8in x 8.9in x 4.9in)



4.0kg (9lbs) including Display and Programmer modules


Operating Conditions:

Detector Ambient: 0°C to 39°C (32° to 103°F)

Sampled Air: -20° to 60°C (-4° to 140°F)

Humidity: 10-95% RH, non-condensing

Please consult Ventec Systems Ltd for operation outside these parameters or where sampled air is continually above 0.05% obs/m (0.015% obs/ft) under normal operating conditions.


Sampling Pipe Network: View VLP Pipe Products

Aggregate pipe length: 200m (650ft)

Maximum Single Length: 100m (325ft)


EN54-20 Max. No. Of Holes (Class A / B / C):

30 / 60 / 100


Pipe Modelling Design Tool:



Pipe Size:

Minimum flow per pipe I5 litres/min.

External Diameter 25mm (1in)

Internal Diameter I5-2I mm (9/16in - 7/8in)


Programmable Relays:

7 Relays, Contacts rated 2A @ 30VDC


IP Rating:




Field replaceable and monitored Vesda filter (Order Part No. VSP-005)*

* Requires a programming device to reset filter parameters


Cable Access:

8 x 25 mm (1 in) knockouts in various positions


Cable Termination:

Screw terminals 0.2-2.5sq mm (30-12 A.G.)


Sensitivity Range:

0.005 to 20% obs/m (0.0015 to 6% obs/ft)


Alarm Threshold Setting Range:

Alert: 0.005 - 1.990% obs/m (0.0015 - 0.62 I 8% obs/ft)

Action: 0.010 - 1.995% obs/m (0.003 I - 0.6234% obs/ft)

Fire 1: 0.015 - 2.00% obs/m (0.0046 - 0.625% obs/ft)

Fire 2: 0.020 - 20.00% obs/m (0.0062 - 6.25% obs/ft)*

*Limited to 12% obs/m (4% obs/ft) in UL mode


Software Features:

Event Log: Up to 18,000 events stored on FIFO basis.

AutoLearn: Minimum 15 minutes, maximum 15 days.

Recommended minimum period 1 day. During AutoLearn thresholds are NOT changed from pre-set values.



Compensation for external ambient conditions


Four Alarm Levels:

Alert, Action, Fire 1 & Fire 2


Two Fault Warning Levels:

Major and Minor fault


Software Programmable Relays: 7


Maintenance Aids:

Filter & Flow monitoring.

Event reporting via VESDAnet or Event Log.



Hand Held Programmer (Order Part No. VHH-100)

PC Link HLI Interface (Order Part No. VHX-0200)

VESDA Wholesale

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