M181 LCR Meter DIY Kit – Inductance Capacitance Resistance
M181 LCR Meter DIY Kit – Inductance Capacitance Resistance
Details
M181 LCR Meter DIY Kit – Precision Measurement for Engineers & Hobbyists
The M181 LCR Meter DIY Kit is a compact, high-precision instrument designed to measure Resistance (R), Capacitance (C), and Inductance (L) across both through-hole and surface-mount components. With approximately 1% measurement accuracy and fully automatic ranging, this kit is an outstanding choice for electronics enthusiasts, engineers, and makers alike.
Made in Mainland China.
Why Choose the M181 LCR Meter?
- Dual Test Frequencies: Switch between 100Hz and 1KHz to suit your measurement needs
- Wide Measurement Ranges: Resistance from 0.1Ω to 10MΩ, Capacitance from 1pF to 10,000μF, and Inductance from 1μH to 20H
- ~1% Accuracy: Reliable precision for the vast majority of engineering and hobbyist scenarios
- Fully Automatic Ranging: No manual range selection needed — the meter does the work for you
- USB Powered (5V): Convenient and portable, powered by any standard USB source
- Built-in Virtual USB COM Port: Enables serial data output and firmware upgrades with ease
- Self-Test Mode: Verify your assembly is correct before diving into measurements
- Display HOLD Function: Freeze readings on-screen for easy recording
- Compact Design: Measures just 66 × 32 × 19mm and weighs only 23g (76g with probes)
- Acrylic Panels Included: Protect your build and give it a professional finish
Full Specifications
| Parameter | Detail |
|---|---|
| Model | M181 (18101K) |
| Primary Display | R, C, L |
| Secondary Display | Q, D, ESR |
| Equivalent Circuit Mode | Parallel or Serial |
| Resistance Range | 0.1Ω – 10MΩ |
| Capacitance Range | 1pF – 10,000μF |
| Inductance Range | 1μH – 20H |
| Accuracy | ~1% |
| Test Frequencies | 100Hz, 1KHz (selectable) |
| Open Voltage | 0.6Vpp |
| Measurement Connections | 4 Kelvin wires on test terminals |
| Compensations | Open, Short |
| Serial Data Output | Yes (USB COM Port or direct LVTTL) |
| Power Supply | USB 5V, <100mA |
| Dimensions | 66 × 32 × 19mm (2.60" × 1.26" × 0.75") |
| Weight | 23g (76g with probes) |
What's in the Box?
- 1× M181 LCR Meter DIY Kit (includes acrylic panels)
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Frequently Asked Questions
Q: What types of components can the M181 LCR Meter measure?
A: The M181 LCR Meter DIY Kit can measure both through-hole and surface-mount components, covering resistors (0.1Ω–10MΩ), capacitors (1pF–10,000μF), and inductors (1μH–20H). It also displays secondary parameters including Q factor, dissipation factor (D), and Equivalent Series Resistance (ESR).
Q: Do I need special software to use the serial data output feature?
A: No special software is required. The M181 features a built-in virtual USB COM port that is recognized by most operating systems as a standard serial port. You can use any standard serial terminal application to read the measurement data output or perform firmware upgrades.
Q: Is this kit suitable for beginners in electronics?
A: Yes! The M181 LCR Meter DIY Kit is designed to be easy to build and easy to use. It includes a Self-Test mode so you can verify your assembly is correct before taking measurements, making it a great learning project for hobbyists while still offering the precision that experienced engineers need.
Q: What power source does the M181 LCR Meter require?
A: The M181 is USB-powered (5V) and consumes less than 100mA, making it compatible with any standard USB port, power bank, or USB wall adapter. No proprietary power supply is needed.
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.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.