S451 – Winding Resistance Tester
The S451 is a portable device for measuring the resistance of transformer windings and performing low-resistance tests. Its four-wire measurement and temperature compensation enable accurate results on conductor connections, equipotential bonds, and metallic components.
Photos are for illustrative purposes only. Technical specifications may change without notice.
✓ Test current up to 10 A
✓ Measurement range from 0.5 μΩ to 1 MΩ
✓ Maximum resolution of 0.1 μΩ
✓ Four-wire measurement
✓ Resistance conversion to 75°C and 115°C
✓ Fast download and multiple security protections
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