LCR-AR1 LCD Digital Multimeter & MOSFET Transistor Tester

LCR-AR1 LCD Digital Multimeter & Transistor Component Tester

The A01F-MOS LCR-AR1 LCD Digital Multimeter is a versatile, all-in-one electronic component tester designed for engineers, hobbyists, students, and technicians. With automatic component recognition and a clear LCD display, this compact instrument makes testing transistors, diodes, capacitors, inductors, MOSFETs, and resistors faster and easier than ever before.

Key Features

• Auto-Identification Mode: Simply short-press the TEST button and the device automatically identifies and measures the component type — transistors, diodes, capacitors, inductors, and resistors — no manual mode selection required.
• Patch Mount for SMD Components: The included patch mount lets you test surface-mount (SMD) components directly and simultaneously, eliminating the need for constant adaptor swaps and making SMD testing effortless.
• Manual Mode Selection: Lightly press the button to manually switch to any specific measurement mode. The LCD screen displays the corresponding icon in real-time for clear, instant feedback.
• Self-Calibration Function: For reliable accuracy, short-circuit ports 1-2-3 on the test terminal and hold the TEST button for 3 seconds to initiate a self-calibration process. Perform regular calibration to maintain precise measurement data.
• Wide Application Range: Ideal for product development, home appliance servicing, educational experiments, scientific research, and general electronics diagnostics.
• ABS Construction: Durable and lightweight ABS housing built to withstand everyday workshop and lab use.
• USB-C Powered: Powered via the included Type-C data cable for convenient, modern connectivity.

What's in the Box

• Transistor Tester × 1
• Test Stand × 1
• Type-C Data Cable × 1
• Instruction Manual × 1
• Test Hook × 3

Note: The product contains battery accessories. Please keep out of reach of children to prevent accidental ingestion. Measurement tolerance is ±1–3%. Minor color variation may occur due to screen calibration differences.

Made in Mainland China.

Related Products You May Like

• 10 in 1 Multi Functional Bone Wrench Hex Socket Spanner – Portable Repair Hand Tool
• 16 in 1 Multi-Function Bike Repair Tool – Portable Folding Hex Wrench Set
• 3-in-1 Precision Eyeglass Screwdriver Keychain – Portable Mini Screwdriver

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What types of electronic components can the LCR-AR1 Digital Multimeter test?

A: The LCR-AR1 can automatically identify and test a wide range of components including transistors (NPN/PNP), MOSFETs (field-effect transistors), diodes, capacitors, inductors, and resistors. Simply switch to Auto mode and press the TEST button to begin.

Q: Does the LCR-AR1 tester support surface-mount (SMD) components?

A: Yes. The included patch mount accessory lets you test SMD components synchronously without needing to swap adaptors repeatedly, making it highly efficient for modern circuit board diagnostics and development work.

Q: How do I calibrate the LCR-AR1 for accurate readings?

A: To perform self-calibration, short-circuit ports 1, 2, and 3 on the test terminal simultaneously, then press and hold the TEST button for approximately 3 seconds until the calibration process begins. Performing regular calibration ensures consistent and reliable measurement results.

Q: Does the LCR-AR1 come with a battery included?

A: No, the unit does not include a battery. It is powered via the included Type-C data cable. Ensure you have a compatible USB power source available before use.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.