UC2878-78A LCR Meter
Models:
UC2878 (20Hz – 1MHz)
UC2878A (50Hz – 1MHz, 44 typical frequencies)
UC2878/78A series high-frequency LCR meters are large 7-inch screen, multifunctional impedance testers designed for precise measurement of capacitors, inductors, resistors, and other electronic components. They provide high speed, wide frequency coverage, and excellent accuracy for production lines, inspection, and laboratory applications.
Performance Characteristics
- Four-parameter display with arbitrary combination (up to 12 parameters)
- 7-inch 16:9 TFT LCD display, 800×480 RGB resolution
- Basic measurement accuracy up to 0.05%
- Maximum measurement speed up to 50 times/sec
- Test frequency range: 20Hz – 1MHz (UC2878), 50Hz – 1MHz (UC2878A), 10mHz resolution
- Automatic Level Control (ALC) for voltage or current testing
- Selectable output impedance: 30Ω, 50Ω, 100Ω, 10/CC
- Built-in comparator with 10-file sorting and counting function
- Graphical scan analysis: frequency, level, and offset scan
- 10-point list scan function
- Internal DC bias source: 0V, 1.5V, 2V
- Optional ±10V (±100mA) or 0–1A internal DC bias source
- Optional 2m/4m test cable expansion
- 100 internal setting files, 500 U-disk test files expansion
- USB HOST software upgrade support
- U-disk support (FAT16 / FAT32)
- Standard RS232C, HANDLER, USB HOST, headphone interface; optional GPIB, LAN
Brief Introduction
The UC2878/78A high-frequency precision bridge adopts a 7-inch 800×480 color TFT LCD display, providing intuitive operation and comfortable data reading. With high speed, wide frequency range, and 6-bit resolution, it meets demanding requirements for production quality assurance, incoming inspection, and laboratory measurement. Typical test devices include microphones, resonators, inductors, ceramic capacitors, LCDs, varactor diodes, and transformers.
Ordering Information
UC2878 / UC2878A Precision LCR Meter
Technical Specifications
| Test Frequency | UC2878: 20Hz – 1MHz, 10mHz resolution UC2878A: 50Hz – 1MHz, 44 typical frequencies |
|---|---|
| Measurement Parameters | |Z|, |Y|, C, L, X, B, R, G, D, Q, θ, DCR |
| Basic Accuracy | 0.05% |
| Equivalent Circuit | Series / Parallel |
| Math Functions | Absolute deviation, percentage deviation |
| Range Method | Automatic / Hold / Manual |
| Trigger Mode | Internal / Manual / External / Bus |
| Measurement Speed (≥1kHz) | Fast: 50 times/sec Medium: 12 times/sec Slow: 3 times/sec |
| Averaging Time | 1 – 255 |
| Delay Time | 0 – 60s (1ms step) |
| Correction Function | Open / Short / Load |
| Test Terminal | Five-terminal configuration |
| List Scan | 10-point list scan function |
| Display | 7-inch TFT LCD, 800×480 RGB (16:9) |
| Output Impedance | 30Ω, 50Ω, 100Ω, 10/CC selectable |
| Test Signal Level | Normal: 5mV – 2V (1mV step) Constant: 10mV – 1V (1mV step) |
| DC Bias Source | Internal: 0V, 1.5V, 2V Optional: UC6802A ±10V (±100mA), UC6802B 0–1A |
| Measurement Range | |Z|, R, X: 0.01mΩ – 99.9999MΩ DCR: 0.01mΩ – 99.9999MΩ |Y|, G, B: 0.00001µS – 99.9999S C: 0.00001pF – 9.9999F L: 0.00001µH – 9999.99H D: 0.00001 – 9.9999 Q: 0.00001 – 9999.9 θ (Deg): -179.999° – 179.999° θ (Rad): -3.14159 – 3.14159 |
| Comparator | Ten-file sorting (9 PASS, 1 FAIL) with AUX file |
| Memory | 10 internal setting files, U-disk expansion |
| Interface | RS232C, HANDLER, USB HOST, headphone; optional GPIB, LAN |
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