FNIRSI® LC1020E High Precision Handheld Digital Bridge LCR/ESR Tester – Key Features
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Professional-grade accuracy – ±0.05% precision with 4.5-digit resolution for reliable, repeatable results.
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Smart auto component recognition – Instantly identifies resistors, inductors, and capacitors for faster testing.
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Flexible testing options – 5 selectable test frequencies (100 Hz–100 kHz) and 3 voltage levels (0.1 V–0.6 V).
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Comprehensive measurement display – View L/C/R/Z values alongside X, D, Q, θ, and ESR parameters.
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Sorting mode & built-in bias voltage – Perfect for batch testing with consistent, stable measurements.
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Dual connection support – Includes 3-terminal and 5-terminal inputs, plus 4-wire Kelvin measurement for high accuracy.
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Convenient data handling – Data hold and logging functions streamline your workflow.
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Portable & long-lasting – Compact rechargeable unit with a 3000 mAh battery, ideal for use in the lab, production line, or out in the field.
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:
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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:
General Parameters:
Secondary Parameter: 4.5 digits
Secondary Parameters: X/D/Q/θ/ESR
C: 0-100mF
R: 0-10M
Measurement Accuracy:
⚠ Precautions:
- The ambient temperature should be maintained at 20℃ ± 2℃, and the humidity should be ≤ 80% R.H.
- The instrument should be preheated for at least 30 minutes before testing.
- Testing should be performed at the instrument's test slots on the front panel.
- It is recommended to perform open-circuit and short-circuit calibration before testing.
Capacitance (C)
100Hz: 5% ± 5 digits
1KHz: 3% ± 5 digits
10KHz: /
100KHz: /
100Hz: 1% ± 4 digits
1KHz: 0.5% ± 5 digits
10KHz: 2% ± 5 digits
100KHz: 3% ± 4 digits
1KHz: 0.3% ± 2 digits
10KHz: 0.4% ± 2 digits
100KHz: 1% ± 4 digits
100Hz: /
1KHz: 2% ± 2 digits
10KHz: 1.5% ± 2 digits
100KHz: 2% ± 4 digits
Inductance (L)
100Hz: 2% ± 5 digits
1KHz: 2% ± 5 digits
10KHz: /
100KHz: /
100Hz: 0.4% ± 5 digits
1KHz: 0.3% ± 2 digits
10KHz: 0.4% ± 3 digits
100KHz: 2.5% ± 5 digits
100Hz: 3% ± 5 digits
1KHz: 0.5% ± 4 digits
10KHz: 0.5% ± 3 digits
100KHz: 1.5% ± 5 digits
100Hz: /
1KHz: 2% ± 5 digits
10KHz: 2% ± 5 digits
100KHz: 4% ± 5 digits
Resistance (R)
100Hz: 5% ± 4 digits
1KHz: 3% ± 3 digits
10KHz: /
100KHz: /
100Hz: 0.4% ± 4 digits
1KHz: 0.2% ± 2 digits
10KHz: 0.3% ± 3 digits
100KHz: 0.6% ± 5 digits
100Hz: 1.5% ± 4 digits
1KHz: 0.3% ± 2 digits
10KHz: 0.3% ± 3 digits
100KHz: 0.6% ± 5 digits
100Hz: 4% ± 4 digits
1KHz: 2% ± 5 digits
10KHz: 2% ± 5 digits
100KHz: 5% ± 5 digits
Package List:
◉ Data Cable *1
◉ Shorting Plate *1
◉ Kelvin Test Clip *1
◉ Test Leads (Black *1 + Red *1)
◉ User Manual *1














