UC2518MX Multichannel DC Resistance Tester
UC2518MX Multichannel DC Resistance Tester

UC2518MX Multichannel DC Resistance Tester

The UC2518MX Multichannel DC Resistance Tester is a high-precision, high-performance microprocessor-controlled instrument designed for accurate measurement of ultra-low, low, medium, and high resistance values. With advanced temperature and thermoelectric potential compensation, it is ideal for industrial production lines, laboratories, and automated testing systems.

Measurement Range

  • UC2518MX: 0.1 μΩ – 3 MΩ

Applications

Suitable for measuring high, medium, and low value resistors; switch contact resistance; connector resistance; relay cable and contact resistance; transformer, inductor, motor, and deflection coil winding resistance; conductor resistance; metal riveting resistance in automobiles, ships, and aircraft; printed lines and pipetting resistance.

Overview & Key Highlights

  • High-precision microprocessor-controlled resistance tester
  • Ultra-low resistance measurement from 0.1 μΩ to 3 MΩ
  • Maximum display resolution: 32,000 counts
  • Test speed up to 20 measurements per second
  • Basic accuracy up to 0.02%
  • OVC (thermoelectric potential compensation) test mode
  • Built-in temperature compensation for temperature-sensitive measurements
  • Supports multi-channel scan testing
  • 10-grade professional sorting with automatic pipeline compatibility
  • Remote control and data acquisition support

Features

  • 3.5-inch high-resolution TFT color display
  • High resolution up to 32,000 digits
  • 0.1 μΩ resolution at 1A test current
  • Minimum test cycle as fast as 18 ms
  • 4-terminal Kelvin measurement for ultra-low resistance
  • Wide power supply range with low power consumption (≤10W)
  • Compact and robust industrial design

Technical Specifications

Model UC2518MX
Display 3.5-inch high-resolution TFT display
Test Parameter DC Resistance
Test Range 0.1 μΩ – 3 MΩ
Accuracy 0.1% ±10 digits (3 mΩ, 30 mΩ, 3 MΩ)
0.05% ±4 digits (300 kΩ)
0.02% ±2 digits (other ranges)
Test Speed Fast: 50Hz – 21ms, 60Hz – 18ms · Slow: 200ms
Signal Source 1A DC (Max DC Voltage: 5.5V)
Temperature Measurement -10℃ – 60℃ (Accuracy: ±1℃)
Measurement Ranges 3mΩ / 30mΩ / 300mΩ / 3Ω / 30Ω / 300Ω / 3kΩ / 30kΩ / 300kΩ / 3MΩ
Correction All ranges short-circuit zero correction
Comparator 10-grade sorting (HIGH / IN / LOW)
Trigger Modes Internal, I/O, Manual, Bus trigger
Data Storage PC software-based data recording
Additional Functions Temperature compensation, ABS/REF% comparator, key lock, power frequency selection (AUTO / 50Hz / 60Hz), scaling, judgment tone, automatic maintenance, averaging, panel save/read
Interfaces External I/O, Analog Output, LAN, RS232
Power Supply 100 – 256V AC, 50 – 60Hz
Dimensions (L × W × H) 325 × 215 × 96 mm
Weight Approx. 2 kg