Overview
The FR LCR-ST2H is a flagship handheld LCR bridge that bridges the gap between portable tweezers and benchtop meters. Designed for the serious electronics engineer, it supports a massive frequency range up to 100kHz, allowing you to see how components behave under real-world high-speed conditions. Whether you are troubleshooting a 5G logic board or a power supply, the ST2H provides the ESR, D/Q factors, and Phase Angle data you need to find the “hidden” faults.
Key Features
100kHz High Frequency: Unlike basic meters, the ST2H tests at 100Hz, 1kHz, 10kHz, and 100kHz for professional-grade analysis.
Dual-Form Design: Use the gold-plated Tweezer tips for tiny SMD parts or swap to the Kelvin Clips for through-hole components and batteries.
Intelligent Auto-Scan: No more manual switching. It instantly recognizes if you are touching a Resistor, Capacitor, or Inductor.
Full-Band Sweep Mode: One-button scan across the entire frequency range to see the component’s impedance curve.
High-Voltage Protection: Safely measures DC voltage up to ±30V and features an anti-burn design for charged capacitors.
1.47″ HD Color Display: Features an auto-rotate screen, making it comfortable for both left and right-handed users.
Technical Specifications
| Feature | Specification |
| Test Frequencies | 100Hz, 120Hz, 1kHz, 10kHz, 100kHz |
| Capacitance Range | 1pF – 22mF |
| Inductance Range | 1µH – 10H |
| Resistance Range | 10mΩ – 10MΩ |
| Voltage Measurement | ±30V DC |
| Excitation Levels | 0.1V, 0.3V, 0.6V, 1.0V RMS (Adjustable) |
| Battery / Charging | 300mAh Lithium / Type-C USB |


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