Comparison of material resistance/Electrical resistivity test methods
This paper introduces the importance of material resistance/Electrical resistivity and the commonly used test methods, including four-probe method, Hall effect method, voltage-current method, DC comparison method, ohmmeter method, bridge method, charging method and self-discharge method, and their characteristics are compared and analyzed.
Selection method of laboratory conductivity meter
Laboratory conductivity meter is an instrument for measuring the electrical conductivity of electrolyte solutions. The selection points include measurement range, accuracy, temperature compensation, display methods, etc.
Selection points and precautions for waterproof conductivity meters
Waterproof conductivity meter is an instrument used to measure the conductivity of solutions. The choice depends on the measurement range, accuracy, display screen, automatic temperature compensation function, etc.