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Transistor Tester

• How to use transistor characteristic tester?Multi-functional transistor tester ?

  1、 Abstract

  Transistor measuring instrument is an electronic instrument based on general electronic measuring instrument and taking semiconductor devices as the measuring object. It can be used to test the input and output characteristics of common emitter and common base circuits of crystal triodes (NPN and PNP). It can also measure various parameters of FET, Zener, diode, single junction transistor, thyristor and other devices.

  2、 Function of transistor tester

  The tester has stable performance, can automatically read out accurate data and is easy to use. It is suitable for small instruments necessary for electronic enthusiasts, electronic developers, designers and electronic maintainers. It can measure all kinds of diodes, triodes, thyristors, MOS FET; Can judge device type, pin polarity, output HFE, valve voltage, junction capacitance of FET, additional condition measurable capacitance and resistance, etc. It is especially suitable for transistor pairing and hybrid surface mount element identification.

  3、 Basic operation steps

  1. Press the power switch, the indicator light is on, and the test can be carried out after preheating for 15 minutes.

  2. Adjust brightness, focusing and auxiliary focusing to make the light spot clear.

  3. Adjust the peak voltage knob to zero, and set the switches such as peak voltage range, polarity, power consumption resistance, etc. to the positions required for the test.

  4. Calibrate the x-axis and y-axis amplifiers by 10 degrees.

  5. Adjust the step to zero.

  6. Select the required base step signal, place the polarity and series resistance in the appropriate gear, adjust the stage / cluster knob to make the step signal level 10 / cluster, and set the step signal to the repeat position.

  7. Plug in the measured transistor and slowly increase the peak voltage, and the curve will be displayed on the fluorescent screen.Fluke transistor tester