Features The Desco 50005 Concentric Ring Probe is an instrument to be used in conjunction with a resistance meter, such as the Desco 19787 Digital Surface Resistance Meter, to measure surface resistance per ANSI/ESD STM11.11 the test method listed in Packaging standard ANSI/ESD S541 for surface resistance of planar materials. The Concentric Ring Probe (Ref: ANSI/ESD STM11.12) can measure the volume resistance of planar materials using a flat conductive metal plate (not included). The Concentric Ring Probe may be used for the resistance measurements of ESD packaging including static shielding and other bags. The Desco Concentric Ring Probe is compatible with the following Desco Surface Resistance Meters: 19787 Digital Surface Resistance Meter Kit19788 Digital Surface Resistance Meter19784 Analog Surface Resistance Meter Kit19786 Analog Surface Resistance Meter19640 Surface Resistance Checker
