The recent upgrading from a sodium light source to Venture Lighting's Pulse Start metal halide lamps and Ventronic Dimming system, has resulted in significant improvements in the quality of lighting in RS Components main distribution headquarters in Corby, Northamptonshire.
RS can expect to enjoy a massive 90% of the initial lumens after 10,000 hours of lamp operation, whilst running costs will be half that of a conventional 400W installation. Another benefit is that the luminaires use only 87% power when in full operation due to the economy mode setting of the Ventronic System.
The original lighting system was approximately 25 years old and used traditional high bay luminaires with 400W sodium lamps. Constant lamp and control gear failure and dull light prompted RS to find a solution.
Venture's Pulse Start lamps produce a white light with excellent colour uniformity and improved optical accuracy. The lamps are used in conjunction with a protective glass lens cover to the spun aluminium reflectors.
A total of 94 new highbay luminaires have been installed in the large item stores warehouse which has 10 aisles. The selection of goods from these aisles varies dramatically from day to day and, as such, the microwave detectors monitor movement of the transit vehicle down the aisles. The system is set so that the luminaires operate at only 50% power mode when the aisle is unoccupied. Activation of the microwave detector sends a signal to the Ventronic ballast "white wire" and the lamp is activated to full brightness within 2 seconds. This has resulted in power reduction from a static 41.4 kw sodium load, to a 18.8kw metal halide load when in maximum saving mode.
With the whiter 400K pulse lamps, the warehouse has been transformed to provide a cleaner ambience, as well as assisting with fast and accurate stock selection. The brighter appearance and improved colour rendering has also improved safety by heightening visibility.
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