UC2858B+ LCR Meter
UC2858B+ LCR Meter

UC2858B+ LCR Meter

Models:
UC2856B+ (50Hz – 100kHz, 10 Frequencies)
UC2858B+ (50Hz – 200kHz, 37 Frequencies)

UC2856B+ / UC2858B+ series precision LCR meters are multifunctional component testers designed for accurate measurement of capacitors, inductors, and resistors. These instruments provide high speed, wide frequency coverage, and reliable accuracy for production lines, incoming inspection, and laboratory applications.

Performance Characteristics

  • 4.3-inch LCD display for intuitive and clear reading
  • Wide frequency range: 50Hz – 200kHz (up to 37 typical frequencies)
  • Selectable signal source output impedance: 25Ω, 30Ω, 50Ω, 100Ω
  • Built-in comparator with ten-file sorting and counting function
  • 100 groups of internal setting files
  • U-disk expansion for multiple groups of test files storage and recall
  • Software upgrade and update via USB HOST
  • U-disk screen copy and data saving function (FAT16 / FAT32 supported)
  • Standard RS232C, HANDLER, USB HOST interface, optional GPIB

Brief Introduction

UC2858B+ is a high-performance impedance tester equipped with a popular 4.3-inch LCD display, offering comfortable and intuitive operation. Featuring fast measurement speed, wide frequency range, and 5-bit resolution, it meets the demanding requirements of quality assurance, purchasing inspection, and laboratory measurement.

General Specifications

Operating Temperature & Humidity 0°C – 40°C, ≤90% RH
Power Supply Voltage 100–120 Vac or 198–242 Vac
Power Frequency 47.5Hz – 63Hz
Power Consumption ≤ 30VA
Weight Approx. 2.5kg

Technical Specifications

Measurement Parameters |Z|, |Y|, C, L, X, B, R, G, D, Q, θ
Test Frequency (UC2856B+) 50Hz, 60Hz, 100Hz, 120Hz, 1kHz, 10kHz, 20kHz, 40kHz, 50kHz, 100kHz
Test Frequency (UC2858B+) 50Hz, 60Hz, 80Hz, 100Hz, 120Hz, 150Hz, 200Hz, 250Hz, 300Hz, 400Hz, 500Hz, 600Hz, 800Hz, 1kHz, 1.2kHz, 1.5kHz, 2kHz, 2.5kHz, 3kHz, 4kHz, 5kHz, 6kHz, 8kHz, 10kHz, 12kHz, 15kHz, 20kHz, 25kHz, 30kHz, 40kHz, 50kHz, 60kHz, 80kHz, 100kHz, 120kHz, 150kHz, 200kHz
Basic Measurement Accuracy 0.1%
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: up to 40 times/sec
Medium: 11 times/sec
Slow: 3 times/sec
Averaging Times 1 – 255
Delay Time 0 – 60s (1ms step)
Correction Function Open / Short / Load
Test Terminal Five-terminal configuration
Display 5-bit resolution, 4.3-inch LCD
Output Impedance 25Ω / 30Ω / 50Ω / 100Ω selectable
Test Signal Level 0 – 1V, accuracy ±10%
Measurement Range |Z|, R, X: 0.01mΩ – 99.999MΩ
|Y|, G, B: 0.0001µS – 99.999S
C: 0.0001pF – 9.9999F
L: 0.0001µH – 999.99H
D: 0.0001 – 9.9999
Q: 0.0001 – 99999
θ (Deg): -179.99° – 179.99°
θ (Rad): -3.14159 – 3.14159
Memory 100 internal setting files, 500 external files via U-disk
Interface RS232C, USB HOST, HANDLER; optional GPIB

Instrument Accessories

  • UC26001A Four-terminal test fixture
  • UC26004-1 Four-terminal Kelvin test cable
  • UC26010A Gold-plated short film

Optional Accessories

  • UC26009B SMD test pliers
  • UC26008A SMD test box
  • UC10201 Data acquisition software