Đầu đo điện trở tĩnh điện bề mặt Wolfgang Warmbier 890
 
 
 
    - Two-sided probe combines a concentric ring and disk probe
 
    - Made with conductive plastic containing silver particles
 
    - Take resistance-to-ground, point-to-point and volume resistance measurements
 
    - Include stainless steel plate, insulative plate, and a conductive carrying
 
 
 
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