2011年11月14日星期一

How you can Measure an LED Millicandela (MCD)

The brightness, or luminosity, of the lamp is generally measured in candela. Using the invention from the light giving off diode, or LED, candela wasn't a precise enough calculating tool. Just one LED wasn't in a position to emit a complete candela and scientific calculating tools had advanced to some stage where they might measure 1/1000 of the candela, or perhaps a millicandela. The tricky a part of calculating an LED source of light would be that the position the sunshine is measured from has effect on the output registered because an LED is really a focus beam.
        1
        Switch on the LED Ceiling Light.
        2
        Switch on the sunshine meter and wait for this to calibrate. This could take between ten seconds to some full minute with respect to the type of meter. This calibration measures the ambient light within the room.
        3
        Put the light meter one feet over the LED source of light in a  degree position and have a measurement.|LED SpotLight
        4
        Move the sunshine meter to a different position and have a second reading through. Continue this method til you have 5 or 6 blood pressure measurements. The greatest reading through that you simply take would be the LED millicandela for your LED.|MR16 4x1W LED Light

没有评论:

发表评论