Architectural lights are very different from normal lighting; hence, one needs to be extra careful while buying them. They involve heavy investments, which makes it even more important to judge them on certain key parameters, before selection. The following are some factors that buyers should keep in mind while purchasing these lights.
Application Area: One should ascertain the purpose for which LED lights are being bought well in advance, and the fixture should be used according to the furniture layout of the area so that it gels with the overall setting. There are several options of light beam angles and light colours. It is advisable that one avoids fixtures that produce too much of glare.
Luminaire photometric performance: Customers must evaluate the optical performance of the luminaire, taking into consideration uniform illumination with total luminous flux and colour characteristics. Luminaire efficacy should be ≥85 lm/W. These characteristics are being assessed by the Luminaire LM-79 report. The luminaire should be NABL certified and also offer high ingress protection such as IP 65/66/67/68.
Luminaire electrical characteristics: Customers should look for products with a power factor of ≥ 0.90, LED driver efficiency of ≥ 85 per cent and THD <20 per cent with 10kV/kA surge protection for trouble free operation.
Heat dissipation: While buying high powered LED luminaires, customers should ensure the luminaire has a well designed heat sink to dissipate the heat generated by LEDs.
Low maintenance: Knowing that architectural lights will be used outdoors, it is very important that the product is low maintenance. Customers should clarify this factor when purchasing the lights.
Installation: With LED architectural lights, the installation process can become a bit complex sometimes. So the buyer should ask for an installation guide along with the fixture or, maybe, the vendor can provide some sort of assistance too.
Warranty: There should be a minimum five year warranty to ensure a return on the higher investment made in LED architectural lights.
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