Trade4asia Coil and Winding Product Test UC2518-18A DC Resistance Tester

UC2518-18A DC Resistance Tester

Coil and Winding Product Test

The UC2518 Series DC Low Resistance Tester is a high-speed, high-precision resistance measurement instrument with advanced temperature compensation and temperature conversion functions. It is ideal for production line testing, quality inspection, laboratory measurement, and automated test systems.

Model Range

UC2518: 1 μΩ – 10 MΩ
UC2518A: 10 μΩ – 200 kΩ

Performance Characteristics

4.3-inch TFT LCD display (480 × 272 RGB resolution)
Direct U-disk storage for test results
Maximum resistance accuracy up to 0.05%
Built-in comparator with HI / LO / IN sorting
Temperature compensation and temperature conversion functions
Temperature basic accuracy: 0.1℃
Statistical functions: Cp, CpK and other analysis
100+ internal setting files, expandable to 500+ via U-disk
Firmware upgrade via USB HOST
Supports FAT16 / FAT32 file systems
Standard HANDLER, USB HOST, USBCDC, USBTMC interfaces
Optional RS232C and GPIB interfaces

Applications

Suitable for testing coil, inductor, transformer, voice coil, relay contact resistance, connector resistance, fuse resistance, cable resistance, PCB resistance, welding resistance, conductive film, and metal resistance. Temperature compensation eliminates temperature effects during measurement.

General Specifications

Operating Temperature / Humidity	0°C – 40°C, ≤85% RH
Power Supply Voltage	198V – 242V AC
Power Frequency	47.5Hz – 63Hz
Power Consumption	≤ 30 VA
Dimensions (W × H × D)	240 × 100 × 345 mm
Weight	Approx. 2 kg

Measurement & Function Specifications

Basic Accuracy	0.05% + 2 digits (2MΩ: 0.2%, 10MΩ: 0.3%)
Measuring Speed (50Hz)	Fast: 22ms / 2.7ms, Medium: 42ms, Slow: 102ms
Measuring Speed (60Hz)	Fast: 18.5ms / 2.7ms, Medium: 35ms, Slow: 102ms
Statistics	Cp, CpK statistical analysis
Range Selection	Automatic / Hold / Manual
Trigger Mode	Internal / External
Averaging	1 – 255 times
Delay Time	0 – 9999 ms (1 ms step)
Calibration	Short circuit, zero, load correction
Test Configuration	4-terminal Kelvin measurement
Display Mode	Direct reading, Δ%

Resistance Range & Measuring Current (UC2518)

Range	Test Current	Measurement Range
20 mΩ	1 A	1 μΩ – 20 mΩ
200 mΩ	100 mA	20 mΩ – 200 mΩ
2 Ω	100 mA	200 mΩ – 2 Ω
20 Ω	10 mA	2 Ω – 20 Ω
200 Ω	1 mA	20 Ω – 200 Ω
2 kΩ	100 μA	200 Ω – 2 kΩ
20 kΩ	100 μA	2 kΩ – 20 kΩ
200 kΩ	10 μA	20 kΩ – 200 kΩ
2 MΩ	1 μA	200 kΩ – 2 MΩ
10 MΩ	100 nA	2 MΩ – 10 MΩ

Temperature Measurement & Compensation

Temperature Accuracy	0.1℃
Measurement Time	100 ±10 ms
Temperature Sensor	Pt sensor, -10.0℃ – 99.9℃
Analog Input	0 – 2 V (−99.9℃ – 999.9℃)
Temperature Compensation	Converts resistance to set reference temperature
Temperature Conversion	Converts resistance change into temperature change