LED300EProgrammableLED yeTesting Power Supply forLED yeStability ku transient test.LED300EA cɔl external trigger interface, a lëu bï ya luui kek a cɔl remote company productionHAASSerial spectrometer ye luɔ̈ɔ̈i. Instrument built-in control constant current source, constant pressure source, can be measuredLED yePositif/Voltage reverse ku positive/Lɛɛr ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye.