The meter is applied to measure and display the relative brightness of LED phosphor powder directly.The luminance proportion of sample powder and standard LED phosphor powder is relative luminance.data.It reflects LED light decline in the aging process.
> Forward current setting range:0.1~400.0mA.
> Forward voltage testing range:0.01~20.00V.
> Range of relative brightness:0.%~999.9%.
> Test accuracy:0.5 degree.
> Measurement for excitated LED of forward current forwardvoltage. low zero drift, high accuracy.
