LED300EprogrammableLEDTest power supply, used forLEDSteady state and transient testing.LED300EEquipped with an external trigger interface, it can cooperate with remote companies' productionHAASUse of series rapid spectrometers. The instrument has a built-in programmable constant current source and constant voltage source, which can measureLEDpositive/Reverse voltage and positive voltage/Reverse current.