🔬 FNIRSI LC1020E High Precision Handheld Digital Bridge LCR ESR Tester

Professional High-Precision LCR / ESR Meter

The FNIRSI LC1020E is a professional handheld digital LCR bridge designed for accurate measurement of inductance (L), capacitance (C), resistance (R), impedance (Z) and ESR (Equivalent Series Resistance). It combines laboratory-grade performance with portability, making it ideal for engineers, service technicians, electronics manufacturers, laboratories, educational institutions and advanced electronics enthusiasts.

The meter features automatic component identification, multiple selectable test frequencies, Kelvin four-wire measurement capability, dual-parameter display and comprehensive comparison functions, enabling fast and reliable testing of electronic components.

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⭐ Main Features

• 🔬 High precision digital LCR bridge
• ⚡ Automatic identification of R, L and C components
• 📊 Simultaneous display of primary and secondary measurement parameters
• 📈 Five selectable test frequencies
• 🎯 Three selectable test signal levels
• 📐 4-wire Kelvin measurement support
• 🔋 Built-in rechargeable lithium battery
• 💾 Data logging and Hold functions
• 🏭 PASS/FAIL sorting mode for production testing
• 🛠 Open and Short calibration
• 🌐 USB Type-C communication interface
• 📺 Bright 2.8-inch TFT color display

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📋 Technical Specifications

Parameter	Specification
Model	LC1020E
Display	2.8" TFT LCD
Display Resolution	4.5 digits (Main + Secondary)
Basic Accuracy	0.3%
Test Frequencies	100Hz, 120Hz, 1kHz, 10kHz, 100kHz
Test Voltage Levels	0.1V / 0.3V / 0.6V
Internal Bias Voltage	0V / 0.5V
Output Impedance	100Ω
Communication	USB Type-C
Battery	3.7V 3000mAh Rechargeable Lithium
Measurement Speed	Fast / Medium / Slow
Calibration	Open Circuit / Short Circuit

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📏 Measurement Parameters

Primary Parameters

• AUTO
• Resistance (R)
• Capacitance (C)
• Inductance (L)
• Impedance (Z)

Secondary Parameters

• ESR
• Reactance (X)
• Dissipation Factor (D)
• Quality Factor (Q)
• Phase Angle (θ)

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📐 Measurement Ranges

Measurement	Range
Resistance	0 – 10 MΩ
Capacitance	0 – 100 mF
Inductance	0 – 100 H

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🚀 Advanced Functions

• Automatic component recognition
• Dual-parameter display
• PASS / FAIL comparator
• Relative error calculation
• Tolerance setting (0.1%–99.9%)
• Batch component sorting
• Measurement record function
• Data Hold
• Open correction
• Short correction
• Auto power-off
• Adjustable display brightness
• Sound control
• System information menu

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🔌 Test Connections

The LC1020E supports:

• 3-terminal measurement
• 5-terminal measurement
• 4-wire Kelvin measurement

Kelvin measurement minimizes lead resistance errors, ensuring high accuracy when measuring very low resistance and low-ESR components.

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📦 Package Contents

• LC1020E Digital LCR Meter
• Kelvin Test Clip
• Test Leads
• Shorting Plate
• USB Type-C Cable
• User Manual

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🎯 Typical Applications

• Capacitor ESR testing
• Electrolytic capacitor evaluation
• Precision resistor measurement
• Inductor measurement
• Transformer coil testing
• Component quality control
• Production line sorting
• Electronic repair
• Laboratory measurement
• Educational electronics training
• R&D laboratories

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✅ Advantages

• High measurement precision
• Professional dual-parameter display
• Wide measurement range
• Multiple test frequencies
• Portable handheld design
• Long battery life
• Kelvin measurement support
• Production sorting mode
• USB Type-C connectivity
• Intuitive user interface

The FNIRSI LC1020E is a powerful portable digital LCR bridge that delivers professional measurement capabilities in a compact handheld instrument. With multiple test frequencies, automatic component recognition, Kelvin measurement technology and comprehensive analysis functions, it is an excellent choice for laboratories, manufacturing, maintenance and advanced electronics applications.