Jandel Engineering offers an indium-tin-oxide (ITO) coated glass sample that can be used as a reference sample to assess whether a four point probing system is work-ing properly.
SRM Sheet Resistance Meter with Four Point Probe
The SRM-232 Sheet Resistance Meters are low-cost hand-held sheet resistance testing systems that include a meter and a four-point probe for use in measuring the sheet resistance of applied coatings such as conductive paints, EMI coatings, ITO on glass, etc.
