Concentric Ring Set

Concentric Ring Set

- Measures surface resistance per ANSI/ESD STM11.11
- Measures volume resistance per ANSI/ESD STM11.12
- Meets the requirements of IEC 61340-2-3
- Approximates surface & volume resistivity per ASTM D-257
- Incorporates a spring loaded, self-aligning center electrode feature to reduce calibration frequency
- Includes an insulated and metal dual test bed
- Designed to work with a wide range resistance meter and one 5 lb. electrode
- Certificate of calibration traceable to NIST included

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