Features Use the PRF-911 set to measure surface resistance and volume resistivity on extruders or planar sheets, foam, ESD corrugated, wafer separators and foam wraps Use the PRS-801-W electrodes for measuring across the web of large extruded plastic sheets and foams. Use the PRF-922B to measure vacuum formed polymers, AirCap or Die-Cut cavities, Polyethylene or cross-linked foams All packed inside a carrying case for easy storage and transport. This kit is perfect for developing new materials or verifying existing products. Inclusions PRS-801 Resistance System Set PHT-771 Digital Psychrometer PRF-911 Concentric Ring Set PRF-922B Miniature Two-Point Probe Set PRS-801-W 5 lbs Conductive Rubber Electrodes (2) PWS-610M Fabric Band Wrist Straps 1 each Q007B Common Point Ground Connector PRS-801-WW Electrode Cleaning Wipes (5) PMK-151 Carrying Case PAB-023 Accessories Box User Manual