FNIRSI LCR‑ST1 Mini Smart Tweezer LCR‑ESR Tester – Measure Resistance, Capacitance, Inductance, Diode & Continuity with 1.14″ Color Screen, Type‑C, 250 mAh Battery
Product Description
The FNIRSI LCR-ST1 Mini Smart Tweezer is a multifunctional, compact, and portable measuring device designed for precise testing of resistance, capacitance, inductance, diodes, and continuity. It features auto component identification, selectable test frequencies, and PC data export — all within a tool that fits in your pocket.
Key Features
- Automatic component recognition for fast operation
- Test Frequencies: 100Hz, 1kHz, 10kHz
- Test Levels: 0.3V / 0.6V RMS
- Display of ESR, D-value, Q-value, Z, and X
- Magnetic adsorption for ease of use
- Data saving and export via PC connection
- Supports Chinese and English language interfaces
- Auto shut-off function to save power
- Replaceable tweezer heads for flexibility
Specifications
| Model |
LCR-ST1 |
| Capacitance |
1 pF - 22 mF |
| Inductance |
1 µH - 10 H |
| Resistance |
10 mΩ - 10 MΩ |
| Diode Voltage |
0.7 V |
| Frequencies |
100 Hz / 1 kHz / 10 kHz |
| Test Levels |
0.3 V / 0.6 V RMS |
| Display |
1.14" color screen |
| Battery |
250 mAh lithium, USB-C charging |
| Dimensions |
28 × 19 × 150 mm |
| Weight |
41 g |
Package Contents
- 1× LCR-ST1 Smart Tweezer
- 1× Pointed Tip (Pair)
- 1× USB Cable
- 1× Magnetic Patch
- 1× User Manual
- 1× Hook Tip (Pair)
- 1× Storage Bag





- Does it support automatic recognition?
- Yes, components are auto-detected for ease of testing.
- Which test frequencies are supported?
- You can choose between 100Hz, 1kHz, and 10kHz.
- Is data export supported?
- Yes, measurements can be viewed and exported via PC.