UNI-T UT3513 Bench Top Micro Ohm Meter
The UNI-T UT3513 is a bench-top micro-ohm meter designed for precise DC resistance measurement across a broad span (from micro-ohms up to kiloohms). It combines a 4.3-inch display and an ARM microprocessor to provide automated, real-time detection, zero-clearing and self-calibration routines that help ensure repeatable low-resistance readings.
The UT3513 supports 4-terminal Kelvin connections (UT-L82 test lead supplied), manual and automatic range selection, manual/auto saving and USB disk storage for test data and screenshots. The instrument offers trigger modes (internal and external/handler/remote), keypad lock, screenshot save via USB, and a handler/communication interface for automated sorting or integration into production lines.
Engineered for lab and production use, the UT3513 provides high stability and accuracy for medium- and low-speed measurement modes, quick statistical/logging functions, temperature-compensation support (optional for UT3513), and multiple commas interfaces (RS-232/USB/RS-485). Its compact bench size and handler outputs make it suitable where fast, repeatable low-resistance checks and automated sorting are required.
Features:
- 4.3-inch large LCD display.
- High-performance ARM microprocessor control and automatic real-time detection.
- High resolution down to 1 μΩ and measuring range to 20 kΩ (UT3513).
- Two test speeds (Slow and Medium) with selectable range modes.
- Zero-clearing (short circuit correction) and self-calibration functions.
- Temperature compensation support (optional for UT3513).
- Manual/Auto save and USB disk storage management.
- Handler interface and comparator output for automated sorting.
- RS-232, USB (virtual COM), and RS-485 communication interfaces.
- Keypad lock, screenshot function and non-volatile memory.
Specifications:
| Specification | UT3513 |
|---|---|
| Measuring Range: | 1 μΩ ~ 20 kΩ |
| Resolution (Best): | 1 μΩ (on lowest range) |
| Basic Accuracy: | Slow: 0.1% ; Medium: 0.2% |
| Test Speeds: | Slow: 3 readings/s ; Medium: 18 readings/s |
| Maximum Display: | 20,000 counts |
| Test Current: | Up to 1 A on lowest ranges |
| Test Method: | 4-terminal Kelvin measurement |
| Interfaces: | RS-232, USB (Virtual COM), RS-485, Handler |
| Temperature Compensation: | Optional |
| Power Supply: | AC 100–240 V |
| Dimensions (W × L × H): | 214 × 340 × 89 mm |
| Weight: | ≈ 3 kg |
Applications:
- Connector and terminal contact resistance testing.
- Coil, winding and transformer DC resistance checks.
- Shunt resistor verification.
- PCB trace and weld/joint resistance inspection.
Package Contents:
- 1x Micro ohm meter
- 1x Power cord
- 1x UT-L82 Kelvin test lead
- 1x Temperature compensation sensor (supplied as standard with UT3516; optional for UT3513).
- 1x User Manual
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