Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFETs, diodes (including dual diodes), thyristors, transistors, resistors, and capacitors Automatic testing of component pins with display on LCD Detects transistor and MOSFET protection diode amplification coefficient, identifies base and emitter, and measures transistor forward biased voltage Measures MOSFET gate threshold voltage and gate capacitance Equipped with 12864 liquid crystal display with green backlight Test ranges include inductors, capacitors, diodes, dual diodes, transistors, SCRs, regulators, LED tubes, ESR, resistors, and adjustable potentiometers Resistance measurement range: 0.1 ohm resolution, up to 50M ohms Capacitance measurement range: 25pF to 100,000 µF Inductance measurement range: 0.01mH to 20H Model Number: LCR-T4 Device Type: ESR Meter Transistor Tester Display Type: Digital Display Power Source: 9V battery (not included) Operating Temperature: Standard operating conditions apply Color: Yellow Material: Plastic Package Contents: 1 x Transistor Tester Note: Other items not included. Product appearance and color may vary slightly due to ongoing updates. Differences in lighting and display settings may affect color representation. Measurement error allowance: ±1-3cm. Important Usage Notes: - Discharge capacitors before measuring - ESR and Vloss values are displayed only when valid - FET on/off voltage must be less than 5V