Kelvin FourWire Test Line for Precise Resistance and Impedance Measurement Key benefits accuracy with fourwire (Kelvin) measurement technology. This method (also known as fourterminal or Kelvin measurement) is designed for precise impedance and resistor resistance measurements by separating current and voltage paths. Minimal influence from wiring resistance. The voltage difference generated by wiring resistance is essentially zero and does not affect voltage measurement results. Negligible impact from contact resistance on current readings. Because only a very small portion of current flows through the voltmeter, the current measurement results remain accurate. Durable and easy to connect. The Kelvin fish clamp test line is built for wear resistance and offers easy plugandunplug operation, reducing setup time and connection risk. What it does Provides a fourwire (Kelvin) approach to impedance measurement in electronic circuits, with a focus on accurate resistor resistance readings. Ensures that lead and contact resistances do not skew measurement results, improving repeatability and reliability in precision testing. Key attributes Function: Enables fourwire (Kelvin) impedance and resistor resistance measurement; minimizes errors caused by wiring and contact resistances. Compatibility: Suitable for use in electronic circuit testing and calibration scenarios that require precision resistance measurements. Size and form: Kelvin fourwire test line with clips that are easy to connect and disconnect; designed for durability and repeated use. Material and performance: Built for wear resistance and reliable performance during testing; designed to maintain measurement integrity during routine measurement tasks. Use scenarios Scenario 1: Precision resistor characterization in research and development. Use the fourwire method to obtain accurate resistance values without lead and contact resistance skew. Scenario 2: Quality control in production lines. Verify lowresistance components and shunts where accurate resistance readings are critical. Scenario 3: Field or benchtop troubleshooting of electronic circuits. Quickly measure resistor values and impedance with reduced setup time and reliable results, even when wiring length or connector quality might otherwise affect measurements. Notes The design emphasizes that wiring resistance differences have negligible effect on voltage measurement results, and that voltmeter current remains too small to affect current measurements. The Kelvin fish clamp test line is intended to provide durable, easytouse connections that maintain measurement accuracy in a variety of test environments.