Resistance Probes

  • Electrostatic Instrumentation
  • Resistance Probes

Delivering results, reliability & dependability

We develop creative, comprehensive, and sustainable engineering solutions for a future where society can thrive.

Model 803B Surface & Volume Resistance Probe

The ETS Model 803B Surface and Volume Resistance/Resistivity Probe is designed to precisely measure surface or volume resistance on a wide variety of conductive, dissipative, and insulative materials.

  • Industry leading probe for measuring surface and volume resistance
  • Concentric ring design with streamlined  x10 conversion to surface resistivity
  • Precision 5lb. weight meets industry specifications
  • Specially coated graphite silicone electrodes enable measurements of 100 ohms and greater
  • Ground and insulated test beds included
  • Optional verification fixtures are available to confirm measurement accuracy before use
    • Model 809B – Surface Resistance Check Fixture for 803B Probe
    • Model 819 – Volume Resistance Calibration Check Fixture for 803B Probe
  • ANSI/ESD STM11.11 – Surface Resistance Measurement of Static Dissipative Planar Materials
  • ANSI/ESD STM11.12  – Volume Resistance Measurements of Static Dissipative Planar Materials
  • ASTM D257 & IEC 93 – Standard Test Methods for DC Resistance or Conductance of Insulating Materials
  • IEC 60093 – Methods of Test for Volume Resistivity and Surface Resistivity of Solid Electrical Insulating Materials
  • JIS K6911
  • NFPA 99
  • MIL-PRF-81705D
Download Data Sheet

Series 800 – Custom Resistance & Resistivity Probes and Fixtures

ETS Custom Resistance/Resistivity Probes enable special resistance measurements to be made for planar or non-planar materials . The following probes are available :

  • Model : 823 for Non-Planar surfaces, Multi-layer laminates, Buried least cond. Layer
  • Model : 833 for Compact Discs
  • Model : 834 for Concave / Convex Surfaces
  • Model : 835 ESDA STM15.1 Constant Area Force Electrode (CAFÉ) for measuring in-use resistance of gloves and finger cots.
  • Conductive rubber, spring-loaded and stainless steel electrodes
  • Constant or variable force
  • Resistivity conversions from x1 to x1000
  • Measure planar and non-planar samples
  • Measure buried least conductive layer
Download Data Sheet

Series 840 – Resistance & Resistivity Probes

ETS Series of 84X Series Resistance/Resistivity Probes are designed for testing the resistance / resistivity of small, non-flat samples or small areas on large samples. These probes utilize a series of gold plated, spring-loaded contact electrodes. Each electrode requires 5 oz. (688 gr.) for total compression . All probes are designed to be used with the ETS Model 848 Universal Handle Assembly. Available probes :

  • Model 841 – Resistance-Resistivity Probe (½” OD) Spring-Loaded for Non-Flat Surfaces
  • Model 842 – Resistance-Resistivity Probe (1.5″ OD) Spring-Loaded for Non-Flat Surfaces
  • Model 844 – 2 Point Resistance Probe that meets ESD DS11.13 for testing the resistance of small, samples or small areas on a larger sample
Download Data Sheet

Model 850 – 5lb Resistance Electrode Probe

Electro-tech system’s Model 850 resistance electrode probe provides you with ability to measure resistance employing both point-to-ground (RTG) and point-to-point (RTT). The 850 is designed to measure the resistance of any planar surface. The probe can be used to make measurements on floors, mats, workbenches, garments, seating or any other flat surface where the resistance between two points is required

  • Standard 5-pound weight
  • 2.5″ dia. conductive rubber electrode
  • Calibrated contact resistance less than 100 Ohms
  • 5-foot cable is included with each probe
  • ANSI/ESD S4.1 – Worksurfaces – Resistance Measurements
  • ANSI/ESD S7.1  – Floor Materials – Resistive Characterization of Materials
  • ANSI/ESD S9.2 – Footwear – Foot Grounders Resistive Characterization
  • ANSI/ESD STM2.1 – Garments – Resistive Characterization
  • ANSI/ESD STM12.1 – Seating – Resistance Measurement
  • ANSI/ESD STM97.1 – Floor Materials and Footwear – Resistance Measurement in Combination with a Person
  • ANSI/ESD ESD-ADV53.1 – ESD Protective Workstations
  • ASTM F150 – Standard Test Method for Electrical Resistance of Conductive and Static Dissipative Resilient Flooring
Download Data Sheet