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# FNIRSI LCR-ST2 100K LCR ESR Meter 2-in-1 Digital Tweezers Bridge

**Brand:** FNIRSI
**SKU:** LCR-ST2
**Price:** Available via Amazon — https://www.amazon.com.au/s?k=FNIRSI+LCR-ST2+100K+LCR+ESR+Meter+2-in-1+Digital+Tweezers+Bridge&tag=tech2have-22
**Category:** Component & LCR Testers (https://level-floor.bnr.la/store/c/test-measurement-component-testers.md)
**URL:** https://level-floor.bnr.la/store/products/fnirsi-lcr-st2-100k-lcr-esr-meter-2-in-1-digital-tweezers/

## 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.
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.
Product Parameters
Model Parameters:
Model
LCR-ST2
Standby Time
≈3H
Screen Display
1.47" HD Display
Dimensions
31*170.7*20.3mm
Weight
≈60.8g
Interface
Type-C
Operating Temperature
0℃ ~ 50℃ (Humidity ≤ 75%)
Storage Temperature
-20℃ ~ 60℃ (Humidity ≤ 75%)
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
Package List:
Std. Option
◉ LCR-ST2 Tweezer
◉ Storage Bag
◉ Curved Tip
◉ Shorting Plate
◉ Data Cable
Plus Option
◉ LCR-ST2 Tweezer
◉ Storage Bag
◉ Curved Tip
◉ Shorting Plate
◉ Kelvin Test Clip
◉ Data Cable

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