The Multi Height Probe combined with the HM21 Hand Held Meter is a great system for use in measuring a wide range of materials and sample sizes when the greater measurement range of the RM3000 Test Unit is not necessary.
Jandel HM21-SRM Hand Held Meter with SRM Probe Head
This is a general purpose portable four point probing system for measuring sheet resistance or volume resistivity.
HM21 Portable Four Point Probe Test Meter
The Jandel HM21 is a portable meter designed for use with a four point probe to make sheet resistance and/or volume resistivity measurements. The unit is battery powered, however, it also includes a universal AC power adapter so that it does not have to run on batteries when portability is not important.
