LCR-7 Transistor Tester — clear, accurate testing for a wide range of components Key benefits Fast, reliable component checks: identify and measure NPN/PNP transistors, MOSFETs, diodes (including Zener), capacitors, resistors and more to speed troubleshooting and reduce guesswork. Readable results in any light: the vivid 5-inch TFT backlight color display presents measurements and waveforms clearly so you can interpret results at a glance. Simple, efficient operation: one-button testing makes it easy for beginners and pros to get consistent results; built-in auto shut-off helps conserve battery between uses. Versatile for hobbyists and professionals: supports common semiconductor and passive components used in repairs, prototyping and quality checks. What it does (features and performance) Measures a broad set of components: supports NPN and PNP transistors, MOSFETs, diodes (including Zener diodes), capacitors and resistors. Detects infrared waveforms: useful for troubleshooting optoelectronic circuits and IR sensors. Color TFT display (5-inch): delivers clear, color-coded readouts and waveform views for easier interpretation under different lighting conditions. One-button operation and auto shut-off: streamlined workflow for repeated testing and longer battery life between uses. Compatibility and form factor Model: LCR-7 transistor tester. Compatible with a wide range of discrete electronic components commonly used in electronics repair, prototyping and education. Compact, portable design with a large 5-inch display for field or bench use. Practical use scenarios Repair bench troubleshooting: quickly confirm whether a suspect transistor, MOSFET, diode or capacitor is within expected parameters before replacing parts on a PCB. Prototyping and build verification: verify component values and polarities during assembly to prevent failures and save time on rework. Field or hobby repairs: perform fast component checks on appliances, remote controls, sensors and hobby projects where quick, clear results simplify diagnosis. Why choose the LCR-7 Consolidates multiple test functions into one tool, reducing the need to switch between instruments. Clear visual feedback and waveform detection make it easier to diagnose problems and validate replacements. Designed for straightforward use: minimal learning curve for makers, technicians and engineers who need dependable component-level testing. What to expect in practice Accurate, component-level readings for discrete parts commonly used in electronics work. Clear, color-coded output on a 5-inch TFT backlight display for consistent interpretation. Quick one-button tests and automatic power management to simplify repeated checks. The LCR-7 provides a compact, easy-to-use solution for component testing across repairs, prototyping and field work, with the essential functions needed to identify faulty parts and confirm component values.