From Makers Electronics's description
UNI-T UT622A Handheld LCR Meter The UNI-T UT622A is a handheld LCR meter designed for portability and accurate measurement of inductance (L), capacitance (C), and resistance (R). It is engineered for use in various environments, from laboratories to production lines, offering a practical solution for technicians and engineers who require reliable component testing on the go. The device is part of the UT622 series, characterized by its robust functionality and user-friendly interface. The meter features a clear and intuitive 2.8-inch TFT LCD display with a high-brightness white backlight, ensuring readability in different lighting conditions. Its operation is streamlined with a logical button layout, allowing users to easily select primary and secondary measurement parameters, test frequencies, and speeds. The design prioritizes ease of use with functions like data hold, a recording mode for statistics, and both three-terminal and five-terminal test options for flexibility in connecting to components. At its core, the UT622A provides essential LCR measurement capabilities with a focus on accuracy and speed. It supports automatic component identification and offers features like open and short circuit correction to enhance measurement precision. Built with a long-lasting rechargeable battery, it is ideal for fieldwork, providing up to 8 hours of operation. It also includes a Mini-USB interface for communication and data transfer, supporting SCPI commands for remote control and integration into automated systems. Features: Handheld design for portable measurement of L, C, and R. 2.8-inch TFT LCD display with high-brightness white backlight. Test frequencies: 100Hz, 120Hz, 1kHz, 10kHz. Test levels: 0.1Vrms, 0.3Vrms, 1Vrms. Auto LCR function for automatic component identification. Data hold and recording mode for statistics (AVG, MAX, MIN). Tolerance mode for component sorting with audible/visual alarm. Open/short circuit correction (clearing) to improve accuracy. Mini-USB communication interface (virtual serial port). Ultra-low power consumption and long battery life (8 hours). Specifications: Specifications UT622A Certificates CE, RoHS Test frequency 100Hz, 120Hz, 1kHz, 10kHz Test signal level 0.1Vrms, 0.3Vrms, 1Vrms Output impedance 100Ω Measurement parameters Primary: L/C/R/Z Secondary: D/Q/θ/ESR Auto LCR √ Test terminals Three-terminal test jacks, five-terminal test sockets Test rate Fast (20 times/s), medium (5 times/s), or slow (2 times/s) Ranging mode Auto/hold Tolerance range 1%~20% Testing circuit mode Series/parallel mode Clearing correction Open/short circuit Fuse of test ports 0.1A/250V Communication interface Mini-USB LED alarm for tolerance (pass: green; fail: red) √ Display range Maximum reading 99999 Minimum resolution 0.0001 Maximum accuracy 0.001 L 0.00μH~99.999H C 0.00pF~99.999mF Z/R 0.0000Ω~9.9999MΩ ESR 0.0000Ω~999.99Ω D 0.0000~9.9999 Q 0.0000~99999 θ -179.9°~179.9° Temperature coefficient 0.1× (specified accuracy) /°C (0°C~18°C or 28°C~40°C) General Characteristics Power 3.7V 1800mAh lithium polymer battery; Input: 220V (1±10%), 50Hz (1±5%); Mini-USB output: 5V, 1A Display 2.8′ TFT LCD 320X240 Product net weight 420g Product size 93mm x 192mm x 44mm Applications: Component Testing. Production Line Screening. Laboratory Measurement. Quality Assurance (QA). Electronics Repair. Maintenance and Servicing. Educational Use. Field Service. PCB Testing. Component Sorting. Package Contents: 1x UT622A Handheld LCR Meter 1x Set of Alligator Clip Test Leads (UTR-002) 1x Gold-plated Short Circuit Board (UTR-001) 1x USB Cable 1x User Manual (English) Documents: UT622 Datasheet UT622 Series LCR meters User Manual
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