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Electrical resistance tester

Editorial
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Hioki has released RM3542A, a high-speed electrical resistance tester that provides accurate resistance measurement of components including ferrite bead inductors. 

Features include low impact contacts to limit inductive limitation inrush current and very low applied voltage (5V), which permits no-stress testing of small components.

Furthermore, the isolated four-terminal testing mode allows resistance measurement to 100MW with minimal interference from environmental electromagnetic noise. 

The product’s Offset Voltage Compensation feature also eliminates the interference of thermal emf with the accuracy of measurements, and automatic power line frequency sensing provides for accurate in-synch resistance measurement.

Measured values are automatically subjected to statistical analysis including mean, minimum, maximum and standard deviation as well as process indicators such as dispersion and bias factors.

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