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UNI-T UT612 LCR Meter
The UNI-T UT612 is an advanced 20,000-count handheld LCR meter featuring 5 selectable test frequencies up to 100 kHz, 0.5% basic measurement accuracy, and full series/parallel equivalent circuit analysis. Equipped with a dual backlit display, real-time analog bar graph, automated component identification, and a USB interface for PC data logging, it is an essential portable testing tool for incoming QA inspection, repair benches, and electronics laborator
Features & Benefits
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5 Selectable Test Frequencies up to 100 kHz: Evaluates inductors, capacitors, and resistors at 100 Hz, 120 Hz, 1 kHz, 10 kHz, and 100 kHz for precise high-frequency characterization.
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Dual 20,000 / 2,000-Count Backlit Display: Concurrently monitors main parameters ($L, C, R$) and secondary parameters ($D, Q, \theta, \text{ESR}$) alongside a 26-segment analog bar graph.
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Auto LCR Check & Equivalent Circuit Selection: Automatically determines component type and assigns optimal Series ($L_s/C_s/R_s$) or Parallel ($L_p/C_p/R_p$) test models.
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Direct ESR & DC Resistance (DCR) Modes: Quickly checks winding resistance of chokes and detects degrading, high-ESR capacitors directly on the board.
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Multi-Level Tolerance Sorting Mode: Accelerates incoming QA sorting with selectable tolerance windows ($\pm 0.25\%, \pm 0.5\%, \pm 1\%, \pm 2\%, \pm 5\%, \pm 10\%, \pm 20\%$).
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USB Interface & 60,000-Point PC Logging: Driverless USB HID connection enables automated long-term component data logging and export via PC software.
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Description
Designed to provide bench-level impedance measurements in a compact, portable format, the UNI-T UT612 allows technicians and embedded hardware developers to evaluate passive components at their actual working frequencies up to 100 kHz. Across 5 selectable test points (100 Hz, 120 Hz, 1 kHz, 10 kHz, and 100 kHz), it measures inductance ($L$), capacitance ($C$), AC resistance ($R$), and DC resistance ($DCR$), while simultaneously displaying secondary parameters including dissipation factor ($D$), quality factor ($Q$), phase angle ($\theta$), and Equivalent Series Resistance ($ESR$).
Specifications
| Specification Attribute | Details / Values |
| Brand / Manufacturer |
UNI-T (Uni-Trend Technology Co., Ltd.) |
| Model / MPN |
UT612 |
| Product Category |
Handheld Dual-Display Digital LCR Meter |
| Test Frequencies | 100 Hz, 120 Hz, 1 kHz, 10 kHz, 100 kHz |
| Test Signal Level | 0.6 Vrms |
| Output Impedance | 120 Ω |
| Basic Measurement Accuracy | $\pm(0.5\% + 5 \text{ digits})$ |
| Primary Parameters | Inductance ($L$), Capacitance ($C$), Resistance ($R$), DC Resistance ($DCR$) |
| Secondary Parameters | Dissipation Factor ($D$), Quality Factor ($Q$), Phase Angle ($\theta$), ESR |
| Inductance Measurement Range | 20 µH to 2000 H (Resolution down to 0.001 µH) |
| Capacitance Measurement Range | 200 pF to 20 mF (Resolution down to 0.01 pF) |
| Resistance Measurement Range | 20 Ω to 200 MΩ (Resolution down to 0.001 Ω) |
| Display Counts | Main Display: 20,000 counts; Secondary Display: 2,000 counts; 26-segment bar graph |
| Tolerance / Sorting Limits | $\pm 0.25\%, \pm 0.5\%, \pm 1\%, \pm 2\%, \pm 5\%, \pm 10\%, \pm 20\%, +80\%/-20\%$ |
| PC Connectivity & Memory | USB HID interface (Up to 60,000 data logging records) |
| Certifications & Compliance | CE, UKCA, RoHS |
| Power Source | Standard 9 V battery (6F22) or powered via USB connection |
| Dimensions & Weight | 96 (W) × 193 (H) × 47 (D) mm; Approx. 374 g |
| In The Box / Standard Accessories | UT612 Unit, Gold-Plated SMD Test Clamp, Multi-Purpose Test Socket, USB Cable, 9 V Battery, PC Software CD, English User Manual |
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