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This Multifunctional transistor tester for automatic detection of NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices.


  • Digital colorful LCD display, easy to read.
  • One key for measurement operation, auto power off delay. Shutdown current is only 20nA, support for battery operation.
  • Automatically detect NPN and PNP transistors, N-channel and P-channel MOSFET, JFETs, diodes, inductors, resistors, capacitors, thyristors or other devices.
  • Automatically test the pins of a component and show on the display.
  • Via the base-emitter threshold voltage and high current amplification factor to identify Darlington transistors.
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Measure the gate threshold voltage and gate capacitance of the MOSFET.
  • Measure bipolar transistor current amplification factor and base-emitter threshold voltage.
  • Support 2 resistors measurement, also support potentiometer measurement.
  • Resistance measurement resolution is 0.1 ohms, 50M ohms can be measured.
  • Capacitance measurement range from 25pf to 100mF.
  • Inductance measurement range from 0.01MH to 20H, otherwise it will be displayed as resistance if the inductor DC resistance is higher than 2100.
  • Short detection time: only 2 seconds. It costs more time for bulk capacitor detection.
  • Note: Before measuring capacitance, the capacitor must be discharged, otherwise very likely damage the meter.


Material Plastic+Metal
Power Supply DC9V
Transistor Range 2 and less PN junction transistors
Resistor Test Range 0.5Ohm-50MOhm
Inductance Test Range 0.01mH-20H
Capacitance Test Range 25pF-100000uF
Product Size 70 x 135 x 24mm
Product Weight 128g
Package Content 1 x Transistor Tester (battery not included)

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