LCR-T7 High-Speed Transistor Tester – Full-Color Graphic Display Multifunction Meter

SKU: FA1061-5
Display

1.8 inch TFT Full-Color Screen
Power Supply

3.7V Rechargeable Lithium Battery
Transistor Range

NPN, PNP, MOSFET, JFET, IGBT, SCR, Triac
Resistance Range

0.01Ω – 50MΩ
Capacitance Range

25pF – 100mF (100,000μF)
Inductance Range

0.01mH – 20H
Zener Diode Range

0.01V – 30V (in KAA test area)
Capacitor ESR

0.01Ω resolution (for capacitors >2μF)
The LCR-T7 High-Speed Transistor Tester represents the premium tier of portable component analyzers. It significantly upgrades the classic LCR-T4 design by adding a vibrant full-color TFT display, an integrated rechargeable lithium-ion battery, and advanced infrared (IR) decoding capabilities.
Long Product Description
The LCR-T7 is a multi-function electronic diagnostic tool designed for high-speed identification and measurement of a vast array of semiconductors and passive components. Unlike standard monochrome testers, the LCR-T7 features a 1.8-inch full-color graphic display that provides crystal-clear pinout diagrams and data readouts. It is engineered with a built-in high-capacity rechargeable lithium-ion battery, eliminating the need for 9V replacements and making it more eco-friendly and cost-effective for high-volume business environments. Beyond standard LCR testing, it includes a dedicated infrared receiver window capable of decoding remote control waveforms (Hitachi coding), making it an essential tool for consumer electronics repair and development.
Key Features
  • Full-Color TFT Display: High-resolution screen provides color-coded results and graphical representations of component pinouts for instant identification.
  • Automatic “One-Key” Operation: Simply insert the component and press start; the device automatically detects the part type, polarity, and key parameters.
  • Rechargeable Li-ion Power: Integrated battery with micro-USB/USB-C charging (model dependent) for long-lasting field and laboratory use.
  • Infrared Decoder: Detects and decodes infrared remote control signals, displaying the user code and data code on screen.
  • Zener Diode Self-Test: Features a dedicated testing area for Zener diodes with a breakdown voltage range of 0.01V to 30V.
  • Self-Calibration: Includes an automated self-test function to ensure measurement accuracy over time.
Usage Instructions
  1. Safety Warning: Always fully discharge capacitors before inserting them into the tester. Failure to do so will blow the internal protection circuit.
  2. Standard Testing: Insert component leads into ports 1, 2, or 3 of the ZIF socket and lock the lever. Press the multi-function button to begin.
  3. Zener Testing: Use the specialized “K A A” holes on the test block for Zener diodes to utilize the higher voltage test range (up to 30V).
  4. IR Decoding: Point an infrared remote at the “IR” receiver hole on the device and press a button on the remote. The decoded data will appear on the color screen.
  5. Charging: When the battery indicator is low, connect a standard 5V USB charger. The indicator will turn from red to green when fully charged.
Q: Is the LCR-T7 accurate enough for professional R&D?

The LCR-T7 is an excellent “first-pass” diagnostic tool for identifying components and detecting failures. While it provides high precision for most repair and hobbyist tasks, high-frequency laboratory research may still require calibrated benchtop LCR bridges for NIST-traceable accuracy.

Q: Can I replace the internal battery if it fails?

Yes. The LCR-T7 uses a standard 3.7V Li-polymer battery. Business users with basic soldering skills can easily replace the cell, though the internal battery is rated for hundreds of charge cycles.

Q: Does it support all infrared remote protocols?

It primarily supports the Hitachi IR coding format. While it may detect signals from other remotes, it will only decode the specific data bits for supported protocols.

Q: Why is my tester showing incorrect values for very small capacitors?

Ensure you have performed the Self-Calibration procedure. Short the three test probes, press start, and follow the on-screen prompts to “isolate probes” to zero out the parasitic capacitance of the socket.

Q: Is this suitable for bulk purchasing for technician kits?

Absolutely. Its rechargeable nature makes it superior to the LCR-T4 for business fleets as it reduces recurring battery costs. Bulk orders can be managed via Alibaba or Amazon Business.

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