UC201A Resistivity Tester

UC201A (1μΩ ～ 200kΩ) is a specialized resistivity tester designed specifically for cable resistance and resistivity testing. It accurately measures both resistance value and resistivity of cables at a standard reference temperature of 20℃.

Performance Characteristics

4.3-inch TFT LCD display with 480 × 272 RGB resolution
Direct saving of test results via U disk
Maximum resistance accuracy up to 0.05%
Built-in temperature compensation function
Temperature basic accuracy: 0.1℃
100+ internal setting files; U disk expansion supports 500+ files
Firmware upgrade supported via USB HOST
U disk supports FAT16 and FAT32 file systems
Standard interfaces: HANDLER, USB HOST, USBCDC, USBTMC
Optional: RS232C, GPIB

Brief Introduction

UC201A is a professional resistivity tester for cable testing applications. It can precisely measure cable resistance and automatically convert it into resistivity at a reference temperature of 20℃, making it ideal for quality control and laboratory environments.

General Specifications

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

Technical Specifications

Measurement Accuracy & Function

Basic Accuracy	0.05% + 2 words
Trigger Method	Internal, External
Calibration	Short circuit zero
Test End Configuration	Four-wire (Kelvin)

Measuring Speed

50Hz: Fast 22ms, Medium 42ms, Slow 102ms, Fast2 7ms
60Hz: Fast 18.5ms, Medium 35ms, Slow 102ms, Fast2 7ms
* Speeds shown when display is OFF. When display is ON, add 10ms display time.

Range & Measuring Current

Range	Measuring Current	Resistance Range
20 mΩ	1A	1μΩ – 20mΩ
200 mΩ	100mA	20mΩ – 200mΩ
2 Ω	100mA	200mΩ – 2Ω
20 Ω	10mA	2Ω – 20Ω
200 Ω	1mA	20Ω – 200Ω
2 kΩ	100μA	200Ω – 2kΩ
20 kΩ	100μA	2kΩ – 20kΩ
200 kΩ	10μA	20kΩ – 200kΩ

Temperature Measurement

Basic Accuracy	0.1℃
Measurement Time	100 ± 10 ms
Temperature Sensor	Pt sensor, -10.0℃ ～ 99.9℃
Analog Input	0 – 2V, Range: -99.9℃ ～ 999.9℃
Temperature Compensation	Convert resistance to set temperature value
Temperature Conversion	Convert resistance variation into temperature change