The bench test 1: The first line of defence | Archive Titles

Facts panel
Equipment	Darwin
Product group	Slimline infrared beam
Application	For windows, doors and walls
Manufacturer	CIAS Elettronica
Address	Milan, Italy
Trade price (ex VAT)	From £80
Available from	GPS Perimeter Systems Ltd
Address	14 Low Farm Place, Moulton Park, Northampton NN3 6HY
Telephone	01604 648344
Fax	01604 646097
Outdoor or indoor use	Both
Maximum range	12m indoors, 6m outdoors
Frequency (wavelength)	950 nm
Modulation characteristics	Pulsed
Detection system	IR beam obstruction
Alarm period	Dependent on type of activation
Walk test facility	LED aided
Beam direction adjustment limits	Not applicable
Aids to alignment	Variable speed LED plus low power alignment option
Outputs	Alarm + Tamper, NC relay
Mounting	Universal ‘fix and click’ wall brackets and mounting covers
Special tools or test equipment	None required
Size in mm	10 x 23 x 22.5, 0.5 to 2.0m modules
Housing material	Black or clean anodised aluminium extrusion
Power supply	11.5 to 14.8v
Maximum current	50mA (Darwin 4)
Warranty	12 months

Product assessment
Design and design features	****
Circuitry and components	****
Ease of installation and wiring	****
Range & variety of functions	***
Accompanying instructions	**
Technical advice and backup	***
Value for money	***
Key: Outstanding *** Very good Above average * Average ** Below average *