Fnirsi LCR-ST2 smart LCR tweezers
Details
The Fnirsi LCR-ST2 smart LCR SMD tweezers are a great instrument for SMD component testing, featuring a versatile 2-in-1 design that allows for switching between precision tweezers and Kelvin test clamps. The LCR-ST2 can measure inductance, capacitance, resistance, and diodes, but also includes a ±30V DC voltage measurement mode for checking power rails. The ST2 automatically picks the best function and measurement range for you. The 1.47" HD colour display automatically rotates for left or right-handed use and provides detailed parameters, including ESR.
Furthermore, the device supports test frequencies up to 100kHz, essential for modern high-frequency circuit diagnostics. As this is a budget model, it is great for quick testing, but it does not have the highest accuracy. The 300mAh battery ensures longer usage and is rechargeable via USB-C. Finally, the modular head system allows you to detach the tweezers and attach the included Kelvin clips for maximum flexibility.
Specifications
| Test frequencies | 100 / 120 / 1 k / 10 k / 100 kHz |
| Resistance range | 10 mΩ - 10 MΩ |
| Capacitance range | 1 pF - 22 mF |
| Inductance range | 1 μH - 10 H |
| Voltage range | ± 30 V DC |
| Battery | 300 mAh, up to 3 hours |
| Display | 1.47" HD colour |
| Dimensions | 31 x 20 x 170 mm |
| Weight | 61 g |
Accessories
The LCR-ST2 comes by default with:
- Kelvin test clip head
- Curved tweezer tips
- Shorting/calibration plate
- USB-A to USB-C cable
- Carrying case
Pros and cons
- Incredible price/performance ratio
- Automatic measurement and function selection
Downloads
| Fnirsi LCR-ST2 user manual |  (6.59 MB) | Download |
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