Enhance your electronic testing capabilities with the MK-328 Transistor Tester, a versatile and reliable tool designed for accurate component analysis. Featuring advanced automatic detection and measurement functions, this tester supports a wide range of semiconductor devices, ensuring precise diagnostics and performance evaluation for hobbyists and professionals alike. Built with high-quality materials and incorporating a 1° metal film resistor, it guarantees durability, stability, and long-lasting use. Key Features: · High-Precision Metal Film Resistor: Utilizes a 1° metal film resistor for superior accuracy and reliable performance during measurements. · Automatic Component Detection: Instantly identifies NPN and PNP bipolar transistors, N- and P-channel MOSFETs, JFETs, diodes, dual diodes, unidirectional and bidirectional thyristors, simplifying your testing process. · Pin Layout Recognition: Automatically detects the pin configuration of tested components, eliminating guesswork and ensuring correct connections. · Comprehensive Parameter Measurement: Measures current amplification factor (hFE) of bipolar transistors, base-emitter threshold voltage, gate threshold voltage, and gate capacitance for MOSFETs. · Darlington Transistor Identification: Detects Darlington transistors by analyzing threshold voltage and high current amplification factor. · High-Resolution Display: Shows measurement results with up to four decimal digits in appropriate units, providing clear and precise readings. · Wide Resistance Range: Measures resistance with 0.1Ω resolution up to 50MΩ, supporting detailed resistor analysis. · Capacitor Testing: Accurately measures capacitance from 30pF to 100mF with 1pF resolution; also evaluates equivalent series resistance (ESR) for capacitors above 2μF with 0.01Ω resolution. · Diode and LED Testing: Displays up to two diodes with correct polarity symbols and forward voltage; detects LEDs as diodes with characteristic forward voltage values. · Zener Diode Identification: Recognizes Zener diodes with reverse breakdown voltage below 4.5V. · Rectifier Bridge Detection: Determines the connections of rectifier bridges with a single measurement. · Inductance Measurement: Measures inductance from 0.01mH to 20H with resistance below 2100Ω, suitable for inductive component testing. · Low Power Consumption & Auto Shutdown: Operates on battery power with approximately 20mA shutdown current, featuring key operation for automatic power-off to conserve energy. · Fast Testing Speed: Typical test time is around two seconds, with extended time for capacitance and inductance measurements. Specifications: · Item Type: MK-328 Transistor Tester · Resistance Resolution: 0.1Ω up to 50MΩ · Capacitance Range: 30pF to 100mF, 1pF resolution · ESR Resolution: 0.01Ω for capacitors >2μF · Inductance Range: 0.01mH to 20H (resistance <2100Ω) · Power Supply: Battery operated with low shutdown current Package Includes: · 1 x MK-328 Transistor Tester The MK-328 Transistor Tester is an essential diagnostic tool that combines accuracy, versatility, and ease of use. Its automatic detection capabilities and wide measurement range make it ideal for electronic repairs, component testing, and educational purposes, delivering reliable results and enhancing your electronic troubleshooting experience.