FNIRSI® LC1020E High Precision Handheld Digital Bridge LCR ESR Tester
FNIRSI® LC1020E High-Precision Handheld LCR Meter is a portable and intelligent tool for testing electronic components, ideal for engineers, technicians, and hobbyists. It supports L/Q, C/D, and R/D measurements with series/parallel models, and features a 2.8-inch TFT color display.
With preset thresholds and audio-visual alerts, it enables fast pass/fail judgments, improving batch testing and quality control. Supporting up to 100 kHz test frequency, it handles high-frequency analysis of inductors, capacitors, and resistors. Its compact, battery-powered design allows precise, cable-free measurements anytime, anywhere.
Features:
- High-Precision Measurement with 4.5-Digit Resolution
Achieves up to ±0.05% basic accuracy, offering 10× improved precision for professional-grade measurements. - Wide Parameter Support
Measures L/C/R/Z values with automatic mode switching, and displays X/D/Q/θ/ESR as secondary parameters for comprehensive component analysis. - Smart Auto Component Identification
Automatically recognizes R/L/C components and switches modes instantly — ensuring fast and efficient testing with minimal manual input. - Multi-Frequency & Test Voltage Selection
Supports 5 test frequencies: 100Hz, 120Hz, 1kHz, 10kHz, 100kHz
Offers 3 RMS test levels: 0.1V, 0.3V, 0.6V — providing precise control across different testing scenarios. - Sorting & Comparison Function
Set nominal values and tolerances (0.1%–99.9%) for automatic pass/fail judgment, with audio-visual prompts for fast batch testing and quality control. - Internal Bias Voltage
Built-in bias voltage stabilizes readings and enhances measurement accuracy for sensitive components. - Dual Test Ports: 3-Terminal & 5-Terminal (4-Wire Kelvin)
Ensures both ease of use and maximum accuracy by minimizing lead resistance error. - Dual-Parameter Display on 2.8″ TFT Screen
Clearly shows both main and secondary parameters in real time — easy to read anytime, anywhere. - Open & Short Calibration
Calibrate test fixtures and eliminate system errors for accurate and repeatable results. - Data Hold & Logging Mode
Short press to hold reading, long press to enter logging mode — with categorized statistics on pass/fail results for improved test efficiency. - Compact & Rechargeable Design
Lightweight, portable body powered by a 3.7V 3000mAh lithium battery, perfect for lab, production line, and field use.
Specifications:
| Parameter | Specification |
|---|---|
| Model: | LC1020E |
| Test Frequency: | 100 Hz, 120 Hz, 1 kHz, 10 kHz, 100 kHz |
| Basic Accuracy: | 0.3% |
| Display: | 2.8‑inch TFT LCD display |
| Display Digits: | Main Parameter: 4.5 digits Secondary Parameter: 4.5 digits |
| Measurement Parameters: | Main Parameters: AUTO / R / C / L / Z Secondary Parameters: X / D / Q / θ / ESR |
| Measurement Range: | L: 0–100 H C: 0–100 mF R: 0–10 MΩ |
| Internal Bias: | 0.0 V, 0.5 V |
| Test Level: | 0.1 V, 0.3 V, 0.6 V |
| Calibration Functions: | Open circuit calibration, Short circuit calibration |
| Comparison Function: | Used to calculate the relative error between the component measurement value and the nominal value, displayed as a percentage, and provides filtering results. Nominal values and tolerance can be set, with tolerance range adjustable from 0.1% to 99.9% |
| Function Record: | Checks if the measured component data meets the set nominal value and tolerance, recording the number of successful and failed measurements |
| Test Terminal Configuration: | Three‑terminal, Five‑terminal |
| Output Impedance: | 100 Ω |
| Communication Interface: | USB‑TypeC (Virtual serial port) |
| Others: | Language settings, Screen brightness, Sound settings, Auto power‑off, Calibration settings, System information |
Resistance (R)
| Range | 100 Hz | 1 kHz | 10 kHz | 100 kHz |
|---|---|---|---|---|
| 1 MΩ – 10 MΩ | 5% ± 4 digits | 3% ± 3 digits | / | / |
| 1 kΩ – 1 MΩ | 0.4% ± 4 digits | 0.2% ± 2 digits | 0.3% ± 3 digits | 0.6% ± 5 digits |
| 1 Ω – 1 kΩ | 1.5% ± 4 digits | 0.3% ± 2 digits | 0.3% ± 3 digits | 0.6% ± 5 digits |
| 10 mΩ – 1 Ω | 4% ± 4 digits | 2% ± 5 digits | 2% ± 5 digits | 5% ± 5 digits |
Inductance (L)
| Range | 100 Hz | 1 kHz | 10 kHz | 100 kHz |
|---|---|---|---|---|
| 1 H – 100 H | 2% ± 5 digits | 2% ± 5 digits | / | / |
| 1 mH – 1 H | 0.4% ± 5 digits | 0.3% ± 2 digits | 0.4% ± 3 digits | 2.5% ± 5 digits |
| 10 µH – 1 mH | 3% ± 5 digits | 0.5% ± 4 digits | 0.5% ± 3 digits | 1.5% ± 5 digits |
| 1 µH – 10 µH | / | 2% ± 5 digits | 2% ± 5 digits | 4% ± 5 digits |
Capacitance (C)
| Range | 100 Hz | 1 kHz | 10 kHz | 100 kHz |
|---|---|---|---|---|
| 1 mF – 100 mF | 5% ± 5 digits | 3% ± 5 digits | / | / |
| 1 µF – 1 mF | 1% ± 4 digits | 0.5% ± 5 digits | 2% ± 5 digits | 3% ± 4 digits |
| 1 nF – 1 µF | / | 0.3% ± 2 digits | 0.4% ± 2 digits | 1% ± 4 digits |
| 1 pF – 1 nF | / | 2% ± 2 digits | 1.5% ± 2 digits | 2% ± 4 digits |
Applications:
- Capacitor ESR testing.
- Inductor measurement.
- Resistance measurement.
- Electronic component sorting.
- PCB repair and troubleshooting.
- Power supply maintenance.
- Quality control inspection.
- Laboratory electronic analysis.
- DIY electronics projects.
- Audio crossover component testing.
- Educational electronics experiments.
- Passive component matching.
- Industrial maintenance and diagnostics.
Package Include:
- LC1020E LCR Meter.
- Data Cable.
- Shorting Plate.
- Kelvin Test Clip.
- Test Leads (Black + Red).
- User Manual.
Documents:
