
Description:
The FNIRSI LCR-ST2 is a compact dual-mode LCR meter that supports both tweezer and Kelvin-clip testing, ideal for components of any size. It measures R/C/L, diodes, and up to 30V with five test frequencies and a 1.47" HD display. Features include full-band sweep (100Hz–100kHz), intelligent sorting, dual-mode comparison, magnetic attachment, and a 300mAh battery—perfect for fast, precise testing in any environment.

Product Parameters:-
Model Parameters Specifications:
| Standby Time | ≈3H |
| Screen Display | 1.47" HD Display |
| Interface | Type-C |
| Operating Temperature | 0℃ ~ 50℃ (Humidity ≤ 75%) |
| Storage Temperature | -20℃ ~ 60℃ (Humidity ≤ 75%) |
| Weight | ≈60.8g |
| Dimensions | 31*170.7*20.3mm |
Capacitance:
| 1mF‒22mF |
100Hz/20Hz: 5% ± 3 digits 1KHz: 5% ± 3 digits 10KHz: / 100KHz: / |
| 1µF‒1mF |
100Hz/20Hz: 2% ± 3 digits 1KHz: 2% ± 3 digits 10KHz: 2% ± 3 digits 100KHz: 5% ± 3 digits |
| 1nF‒1µF |
100Hz/20Hz: 2% ± 3 digits 1KHz: 0.5% ± 3 digits 10KHz: 0.5% ± 3 digits 100KHz: 5% ± 3 digits |
| 1pF‒1nF |
100Hz/20Hz: / 1KHz: 2% ± 3 digits 10KHz: 2% ± 3 digits 100KHz: 5% ± 3 digits |
Inductance:
| 1H‒10H |
100Hz/20Hz: 5% ± 3 digits 1KHz: 5% ± 3 digits 10KHz: / 100KHz: / |
| 1mH‒1H |
100Hz/20Hz: 2% ± 3 digits 1KHz: 2% ± 3 digits 10KHz: / 100KHz: / |
| 10µH‒1mH |
100Hz/20Hz: 2% ± 3 digits 1KHz: 0.5% ± 3 digits 10KHz: 0.5% ± 3 digits 100KHz: 5% ± 3 digits |
| 1µH‒10µH |
100Hz/20Hz: / 1KHz: 2% ± 3 digits 10KHz: 2% ± 3 digits 100KHz: 5% ± 3 digits |
Resistance:
| 1MΩ‒10MΩ |
100Hz/20Hz: 5% ± 3 digits 1KHz: 5% ± 3 digits 10KHz: / 100KHz: / |
| 1kΩ‒1MΩ |
100Hz/20Hz: 1% ± 3 digits 1KHz: 0.5% ± 3 digits 10KHz: 1% ± 3 digits 100KHz: / |
| 1Ω‒1kΩ |
100Hz/20Hz: 1% ± 3 digits 1KHz: 0.5% ± 3 digits 10KHz: 1% ± 3 digits 100KHz: 5% ± 3 digits |
| 10mΩ‒1Ω |
100Hz/20Hz: 2% ± 3 digits 1KHz: 2% ± 3 digits 10KHz: 2% ± 3 digits 100KHz: 5% ± 3 digits |
Diode & Voltage:
| Diode | On-state Voltage ≤ 0.7V |
| Voltage | ±30V |


Features:
- Wide Range Component Measurement
Accurately measures resistance (10 mΩ–10 MΩ), capacitance (1 pF–22 mF), inductance (1 μH–10 H), diode (≤0.7 V), and voltage (±30 V). - Comprehensive Electrical Parameters
Provides D/Q/Z/X/θ/ESR readings to fully characterize component behavior and performance. - Five Selectable Test Frequencies
Offers professional testing at 100Hz, 120Hz, 1kHz, 10kHz, and 100kHz for different types of components and applications. - Four RMS Test Levels
Adjustable excitation levels (0.1V / 0.3V / 0.6V / 1.0V) enable optimized measurement stability across various component types. - Dual Series/Parallel Equivalent Comparison
Simultaneously displays series and parallel equivalent values to minimize parasitic interference and enhance measurement accuracy. - Full-Band Sweep Mode (100Hz–100kHz)
Provides fast multi-frequency analysis with a single action, enabling detailed characterization of component frequency response. - Intelligent Sorting with Tolerance Grading
Automatically evaluates components based on preset nominal values and tolerances for rapid OK/NG batch testing. - Dual-Form Testing: Tweezer Tips + Kelvin Clip
Straight and curved tweezer tips allow easy testing of small components, while the Kelvin clip provides precise four-wire measurement for larger or through-hole components. - Smart Recognition & Display Functions
Features automatic R/C/L component recognition, dual-parameter display, HOLD/Max/Min, and adjustable system settings. - Auto-Rotate Orientation
Hand-sensing screen rotation supports both left-handed and right-handed usage for effortless operation. - Portable Magnetic Design
Includes a magnetic attachment for easy storage and handling, ideal for fast access in field environments. - 1.47" HD Color Display
Offers clear, high-contrast visualization of measurement data for efficient on-site and laboratory usage. - Long Battery Life & Type-C Charging
Powered by a 300mAh lithium battery with Type-C charging, delivering up to ~3 hours of continuous operation.





Package included:
- 1 x LCR-ST2 Tweezer Plus
- 1 x Storage Bag
- 1 x Curved Tip
- 1 x Shorting Plate
- 1 x Kelvin Test Clip
- 1 x Data Cable