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Cirrus Pro 200D

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Cirrus Pro 200D
  • Cloud Chamber Detection Principle
  • Up to 200 mtrs Sampling Pipe
  • Programmable ‘Pre-Alarm’ warning condition
  • 3 Programmable ‘Fire’ warning conditions
  • Silence and Reset Buttons
  • Vast Sensitivity Range (incipient to conflagrating)
  • Latching / non latching alarm contacts
  • Airflow Monitoring
  • ‘Fault Diagnostic’ feature
  • Immune to dust, humidity & temperature changes
  • UL/FM Approved
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The new range of Cirrus Pro Series Aspirating Fire Detectors provide a solution for almost any aspirating system project, from a simple single pipe detector with minimum ‘Fire’ and ‘Fault’ LED indications to a multiple pipe scanning detector with multifunction quarter VGA backlit LCD display. Programming for each detector is via a laptop computer or from an onboard or remotely mounted LCD display.

The Cirrus Pro 200D
  • ‘Cloud Chamber’ aspirating fire detector
  • For use with up to a total of 200mtrs of 25mm diameter sampling pipe.
  • Four sampling pipe ‘inlet’ ports, single sampling pipe ‘exhaust’ port.
  • LED status indication of Common Fault, Power, Pre-alarm, Fire 1, Fire 2, Fire 3 alarm conditions
  • Internal buzzer ‘Silence’ button, detector alarm ‘Reset’ Button.
  • Multifunction Quarter VGA back lit LCD and programmer.
  • May be networked with other Cirrus Pro Series aspirating detectors

Supply Voltage

20 - 29VDC

Power Consumption

10 watts quiescent

Current Consumption

3416mA quiescent 585mA alarm

Dimensions (mm)

360(W) x 215(H) x 144(D)


5kg (11lbs)

Operating Conditions
Detector Ambient

0°C to 38°C (32°F to 100°F)

Operating Conditions
Tested to

0°C to 55°C (32°F to 131°F)

Operating Conditions
Sampled Air

-20°C to 60°C (-4°F to 140°F)

Operating Conditions

10 - 95%RH, non-condensing

IP Rating


Cable Access

6 x 20mm knock outs

Cable Termination

Screw terminal blocks
(0.2 - 2.5mm2, 30 - 12AWG)

Sampling Network

Single inlet port with combined sampling pipe length up to 200m typically (650ft.) Maximum Transport Time allowed up to 120 seconds.

Pipe ID

19 to 25mm (preferred OD 25mm)

Sensitivity Range

20,000 particles per cc to 3 million particles per cc 10 programmable sensitivity ranges.

Alarm Indications

Pre-alarm, Fire 1, Fire 2, Fire 3.

Programmable Inputs

4 monitored inputs that may be configured for Isolate, Reset, Disable, Fault, Gain Set, Battery Fault and Mains Fault, Silence and Reset button, Disable.

Programmable Output Relays

5 Relays rated 1A @ 30VDC
(Volt-free change over contacts)

Event Log

128 events stored on FIFO basis.

Data Retention

Approx 10 day historical graph

Variable Sensitivity

7 day programmable settings with 3 time zones per day

Multi-function Display

Cirrus Pro 200D incorporates a quarter VGA backlit LCD. In normal conditions the Date, Time, Detector Text and particle Levels are all displayed. Alternatively any Fault, Pre-Alarm or Fire conditions will be displayed. Event Logs, ‘Historical’ and ‘Real Time’ graphs may also be displayed.
The LCD display is also used in conjunction with the programming keys to commission each unit without need for a computer link.

Airflow Monitoring

‘High Airflow’ and ‘Low Airflow’ fault monitoring.




Connection Diagram

Cirrus Pro 200D Connection Diagram


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