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The LCR tweezer meter for SMD components is a precision electronic measuring instrument designed to analyse resistors, capacitors and inductors directly on circuit boards. This portable digital LCR bridge allows accurate testing of electronic components without desoldering, making it ideal for electronics repair, circuit diagnostics and electronics laboratories.
This digital LCR tweezer tester measures parameters such as resistance (R), capacitance (C) and inductance (L), together with advanced parameters including ESR, dissipation factor (D), quality factor (Q), impedance (Z), reactance (X) and phase angle (θ). The built-in automatic component identification system recognises the connected component and automatically selects the appropriate measurement mode.
The instrument provides five selectable test frequencies (100 Hz, 120 Hz, 1 kHz, 10 kHz and 100 kHz) together with four RMS test signal levels of 0.1 V, 0.3 V, 0.6 V and 1.0 V, enabling high-precision LCR measurements across a wide range of electronic components.
A built-in frequency sweep mode from 100 Hz to 100 kHz allows engineers to analyse the behaviour of components at different frequencies, providing advanced electronic component analysis and testing capabilities.
The 1.47-inch HD colour display with automatic rotation shows both the primary measurement value and secondary parameters simultaneously, enabling quick SMD component analysis. The device also includes an intelligent component sorting mode for fast OK/NG testing in production environments.
Measurements can be performed using the precision SMD tweezers or with a four-wire Kelvin clip, ensuring higher measurement accuracy for different component sizes.
With its compact design and integrated rechargeable battery, this portable LCR meter for electronics is an excellent tool for electronics engineers, repair technicians, development laboratories and students.
| Model | LCR-ST2 Plus |
| Instrument type | Digital LCR tweezer meter |
| Measurement parameters | L, C, R, ESR, D, Q, Z, X, θ |
| Resistance range | 10 mΩ – 10 MΩ |
| Capacitance range | 1 pF – 22 mF |
| Inductance range | 1 µH – 10 H |
| Test frequencies | 100 Hz / 120 Hz / 1 kHz / 10 kHz / 100 kHz |
| Test signal levels | 0.1 V / 0.3 V / 0.6 V / 1.0 V RMS |
| Voltage measurement | ±30 V |
| Diode test | ≤0.7 V |
| Frequency sweep mode | 100 Hz – 100 kHz |
| Equivalent circuit modes | Series / Parallel |
| Additional functions | automatic component identification, intelligent sorting, dual comparison |
| Display | 1.47 inch HD colour display with auto rotation |
| Battery | 300 mAh Li-ion rechargeable |
| Battery life | approx. 3 hours |
| Charging interface | USB-C |
| Dimensions | 31 × 170.7 × 20.3 mm |
| Weight | approx. 60 g |
| Operating temperature | 0 °C – 50 °C |
| Storage temperature | -20 °C – 60 °C |
