The FNIRSI LCR-ST1 is a professional-grade digital LCR meter and smart tweezer ESR tester designed for precise measurement of resistors, capacitors, inductors, diodes, and continuity. Perfect for electronic engineers, repair technicians, and hobbyists, this compact tool combines portability with high accuracy, making it ideal for SMD component testing, PCB diagnostics, and laboratory analysis.

The FNIRSI LCR-ST1 offers automatic recognition of electronic components, ensuring quick and reliable measurement without manual range selection. Its 1.14-inch color display provides clear and real-time data visualization, while multiple test frequencies (100Hz, 1kHz, 10kHz) allow flexible measurement across different component types. The integrated Type-C rechargeable battery ensures long-lasting performance, and the magnetic adsorption feature adds convenience during hands-free operations.

This portable LCR tester is lightweight, durable, and built for precision work in tight spaces. Whether you are testing surface-mount devices (SMD) or verifying circuit components in production lines, the FNIRSI LCR-ST1 delivers professional performance and ease of use in one compact device.

Features:

• Multi-Functional Testing: Accurately measures resistance, capacitance, inductance, diodes, and continuity.

• High Accuracy and Stability: Utilizes advanced digital measurement algorithms for consistent and reliable readings.

• Color Display: 1.14-inch LCD screen ensures clear viewing of parameters and results.

• Selectable Frequency Range: Choose from 100Hz, 1kHz, and 10kHz test frequencies with 0.3V or 0.6V RMS test levels.

• Compact and Portable: Tweezer-shaped design ideal for SMD testing and small component handling.

• Magnetic Adsorption: Convenient for quick placement and storage on metal surfaces.

• Long Battery Life: Built-in 250mAh lithium battery with Type-C USB charging.

• Data Logging and Export: View measurement history and export data via PC connection.

• User-Friendly Operation: Auto recognition measurement, replaceable tweezer head, and automatic shutdown for power saving.

Specifications:

• Brand: FNIRSI

• Model: LCR-ST1

• Capacitance Range: 1pF – 22mF

• Inductance Range: 1μH – 10H

• Resistance Range: 10mΩ – 10MΩ

• Diode Test: On voltage 0.7V

• Frequency Test: 100Hz, 1kHz, 10kHz

• Test Level: 0.3V, 0.6V RMS

• Display Parameters: ESR, D value, Q value, Z value, X value

• Display Type: 1.14-inch color screen

• Charging Port: Type-C, 5V/1A

• Battery: Built-in 250mAh lithium battery

• Auto Recognition: Supported

• Replaceable Tweezer Head: Yes

• Auto Shutdown: Supported

• Data Hold: Supported

• History Record: View/export via PC

• Languages: English, Chinese

• Dimensions: 28 × 19 × 150 mm

• Weight: 41 g

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