TI 401
 
Ultra wide-range, battery operated and portable instrument for measuring

Surface Resistivity of virtually any flat surface conforming to ASTM D-257

standard by using recommended parallel bar sensing probe.

The surface resistivity is conveniently indicated by a row of LEDs covering

a total of 10 decades from 10³ to 10¹² ohms per square.

Power Voltage                   DC 9V

Validity of battery               40 H

Measurement accuracy      ± 1/2 decade

Measurement range           10³ ~ 10¹² Ω 40 ~ 60°C 0 ~ 100% RH

Weight of instrument          170 g