50005

TECHNICAL BULLETIN TB-3063 Concentric Ring Probe Installation, Operation and Maintenance Made in the United Kingdom Resistivity and Resistance Per ANSI/ESD STM11.11 section 12.0 CONVERSION TO RESISTIVITY, When it is appropriate to convert a resistance obtained by this test method to an equivalent resistivity in ohms per square, multiply the resistance measurements obtained by this method by ten. The conversion factor of ten is derived from the geometry of the electrode assembly. NOTE: Conversions to resistivity may not be valid for materials that are laminated, plated or metallized with conductive materials. This fact should be understood when users of this test procedure are required to satisfy specifications given in ohms/square. Repeatability Per ANSI/ESD STM11.11 section 4.0 REPEATABILITY, This test method has been shown to have a repeatability of approximately one half order of magnitude in controlled environments. Figure 1. Desco 50005 Concentric Ring Probe Packaging 1 Concentric Ring Probe Description 1 BNC / Banana Jack Adapter The Desco 50005 Concentric Ring Probe is an instrument to be used in conjunction with a resistance Operation meter, such as the Desco 19290 Digital Surface 1. Connect the Concentric Ring Probe to a resistance Resistance Meter, to measure surface resistance meter using the included BNC / banana jack adapter per ANSI/ESD STM11.11 the test method listed in and the meters test leads. Packaging standard ANSI/ESD S541 for surface resistance of planar materials. 2. Place the material to be tested on an insulative surface. The Concentric Ring Probe (Ref: ANSI/ESD STM11.12) can measure the volume resistance of planar materials 3. Place the Concentric Ring Probe on top of the using a flat conductive metal plate (not included). material to be tested. The Concentric Ring Probe may be used for the 4. Take a resistance measurement using the resistance measurements of ESD packaging including resistance meter. static shielding and other bags. The Desco Concentric Ring Probe is compatible with the following Desco Surface Resistance Meters: Item Description 19290 Digital Surface Resistance Meter Kit 19291 Digital Surface Resistance Meter 19784 Analog Surface Resistance Meter Kit 19786 Analog Surface Resistance Meter 19640 Surface Resistance Checker DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 (909) 627-8178 DESCO EAST - One Colgate Way, Canton, MA 02021-1407 (781) 821-8370 Website: Desco.com 2019 DESCO INDUSTRIES INC. TB-3063 Page 1 of 2 March 2019 Employee OwnedFigure 4. Using the Concentric Ring Probe with the Desco Surface Resistance Checker Figure 2. Using the Concentric Ring Probe with the Desco Digital Surface Resistance Meter Specifications Dimensions 2.8 Dia. x 6.5 H (with BNC / banana (71 mm x 165 mm) jack adapter) Outer Probe Diameter 2.5 (63 mm) Inner Probe Diameter 1.2 (30 mm) Weight 5.8 lbs. (2.6 kg) 12 Insulation Resistance >1 x 10 ohms 500V Between Probes Probe Resistance of <100 ohms at low test voltage Carbon Pads Country of Origin United Kingdom Limited Warranty, Warranty Exclusions, Limit of Liability and RMA Request Instructions Figure 3. Using the Concentric Ring Probe with the See the Desco Warranty - Desco Analog Surface Resistance Meter Desco.com/Limited-Warranty.aspx DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 (909) 627-8178 DESCO EAST - One Colgate Way, Canton, MA 02021-1407 (781) 821-8370 Website: Desco.com 2019 DESCO INDUSTRIES INC. TB-3063 Page 2 of 2 Employee Owned