to measurment of surface- and volume resistance according to standard DIN IEC 60093 and others
high-grade steel quality (V2A)
diameter of guard ring top side; 40 mm outside, 35 mm inside
diameter of guard ring underside; 40 mm outside, 27 mm inside
resulting measuring gap: 5 mm or 1 mm
effective measuring area for measurement of volume resistance: 5,31 cm2 (1 mm gap)
max. measuring voltage: 500 V
recommended measuring range:
1 V measuring voltage: 103 ohm to 1013 ohm
100 V measuring voltage: 105 ohm to 1015 ohm
500V measuring voltage: 106 ohm to 1015 ohm