To measurment of surface- and volume resistance according to standard ASTM D 257 and others
High-grade steel quality (V2A)
Measuring area diameter: 76 mm
Diameter of guard ring: 100 mm outside, 88 mm inside
Resulting measuring gap: 6 mm
Effective measuring area for measurement of volume resistance: 52,81 cm2
Max. measuring voltage: 500 V
Recommended measuring range
>>> Gia ban AE 30-DIN