You can think of it as a more advanced tool that doesn’t just give a number, but helps you understand how a component actually behaves when alternating current (AC) is applied.
An LCR meter is better for analyzing and checking the condition of resistors, capacitors, and inductors. It can measure more complex characteristics like ESR(Equivalent Series Resistance), Q(Quality), and D(Dissipation), and lets you test components at different frequencies (Five different test frequency are available: 100/120/1k/10k/100k Hz )
This makes it a very powerful tool for detailed component analysis.
applications:
- Component manufacturing and quality control:
Used to sort parts and make sure they meet the required standards and tolerances. - Repair and troubleshooting:
Helps find faulty components, like capacitors with high ESR in power supplies, test transformers, and check if component values are correct. - Research and design:
Used to study how components behave in circuits, match parts for things like filters or oscillators, and design circuits that rely on resonance. - Education:
Helps students understand how AC circuits work and how real components behave (not just ideal ones from theory).
LCR meter vs. Multimeter
A regular digital multimeter (DMM) measures resistance using DC (direct current) and checks capacitance by charging and discharging the capacitor. But this approach has some limits:
- Real components aren’t perfect:
In real life, components have extra unwanted effects. For example, capacitors have internal resistance and inductance, and inductors have resistance in their windings. A multimeter ignores these and only shows the main value. - Values depend on frequency:
The behavior of capacitors and inductors changes depending on frequency. A multimeter usually tests at just one low (and often unknown) frequency, so the result may not reflect real operating conditions. - Testing inside a circuit can be inaccurate:
The DC signal from a multimeter can activate parts like diodes or transistors, which can distort the measurement. An LCR meter uses a low AC signal, which avoids this problem and gives more accurate results.
Parameter | Symbol | What it Measures | Why it Matters |
Inductance | L | The ability to store energy in a magnetic field. | Core value for coils, transformers, and chokes. |
Capacitance | C | The ability to store energy in an electric field. | Core value for capacitors. |
Resistance | R | Opposition to current flow. | For resistors, but also the loss component in inductors and capacitors. |
Impedance | Z | Total opposition to AC current (combination of resistance and reactance). | The most fundamental AC parameter, from which L, C, and R are derived. |
ESR | ESR | Equivalent Series Resistance. | The internal resistance of a capacitor. Crucial for power supply filtering; high ESR is a common failure mode. |
DCR | DCR | Direct Current Resistance. | The pure ohmic resistance of an inductor's wire winding. |
Dissipation Factor | D or tan δ | A measure of energy loss in a component. (1/Q) | Low D is good for capacitors; high D indicates a lossy or failing component. |
Quality Factor | Q | A measure of efficiency or "purity" of a component. (1/D) | High Q is critical for inductors in RF circuits and resonant tanks. |
Phase Angle | θ | The phase difference between voltage and current. | Reveals if a component is purely resistive (0°), capacitive (-90°), or inductive (+90°). |
Features
tool application |
Component manufacturing and quality control / Repair and troubleshooting / Research and design |
Type |
Handheld |
Measurement functions |
Z/L/C/R/D/Q/θ/ESR/DCR Measures Inductance, Capacitance, and Resistance |
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with secondary parameter Q (Quality), D (Dissipation), R (Resistance), θ (Phase Angle), ESR (Equivalent Series Resistance) |
Accuracy |
basic accuracy 0.2% |
Selectable Test Frequencies |
Five different test frequency are available: 100/120/1k/10k/ 100k Hz |
Test AC signal level |
0.6mVRMS |
Auto |
Auto LCR smart check and measurement |
modes |
Series/Parallel modes are selectable |
Connection Methods |
5-Terminal or Guard Terminal Adds a "guard" connection to shunt away stray currents, critical for measuring high resistances (>100kΩ) or very low capacitance values to prevent parasitic capacitance from affecting the reading |
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Display |
Dual LCD display, 20,000 counts resolution |
certification |
CE, TüV certification |
warranty, certification
All products are CE , GS and TüV certificated.
Based on robust quality and customers’ satisfaction, generally we provide 3 years warranty .
Inductance | |
Ranges | 20uH-2000H |
Resolution | 0.001uH |
Basic Accuracy | ±(0.2+5d) |
Capacitance | |
Ranges | 20pF-20mF |
Resolution | 0.001pF |
Basic Accuracy | ±(0.2+3d) |
Resistance | |
Ranges | 20Ω-2000MΩ |
Resolution | 0.001Ω |
Basic Accuracy | ±(0.2+2d) |
DC Resistance | |
Ranges | 20Ω-2000MΩ |
Resolution | 0.001Ω |
Basic Accuracy | ±(0.2+2d) |
Q (quality) | |
Ranges | 0.000-999 |
Resolution | 0.001 |
D (dissipation) | |
Ranges | 0.000-999 |
Resolution | 0.001 |
Theta | |
Ranges | ±90 degree |
Resolution | 1 degree |
Data Sheet
Data Sheet -- Czechia
Data Sheet -- English
Data Sheet -- French
Data Sheet -- German
Data Sheet -- Italiano
Data Sheet -- Polish
Data Sheet -- Spanish
Data Sheet -- Swedish
Data Sheet -- Turkish
Manuals
User Manual -- Czechia
User Manual -- English
User Manual -- French
User Manual -- German
User Manual -- Italiano
User Manual -- Polish
User Manual -- Spanish
User Manual -- Swedish
User Manual -- Turkish
