The Replacement of T8 Tube LED Slim Batten

1.How to explain “illuminance“?

The intensity of light falling on a surface area .If the area is measured in square feet ,the unit of illuminance is footcandles(fc) .If measured in square metres ,the unit of illumin ance is Lux.

2.What’s efficacy about the light ?

The light output of a light source divided by the total electrical power input to that source ,expressed in lumens per watt(lm/w).

3.how important is IP ?

Classifies and rates the degree of protection provided against intrusion (body parts such as hands and fingers),dust ,accident contact ,and water by mechanical casing and ele ctrical enclosures .

4.What’s LED Chips ?

The light producing semiconductor device that may or may not be incorporated into an LED .

5.Could i tell you what’s LED driver ?

An electronic circuit that converts input power into a current source -a source in which current ramains constant despite fluctuations in voltage fluctuations ,overvoltages, and volt age spikes .