The teraohmetermodel HM 307 DE , complete with measuring electrodes, complies with the international reference standards: ISO284, ASTM D257 and ASTM D1169 .
Made to determine the surface and volumetric electrical resistance applied to the dielectric plastic materials subjected to defined voltages.
The instrument allows to run in continuous current tests for the determination of surface and volumetric resistance.
Measuring voltage: 10 /100/500 Volt (constant), switch-selectable, regulated, prospective current of a circuit approx. 1 mA.
Measurement range: 5 x 106 to 1 x 1016 Ω with 500 V; 1 x 106 to 1 x 1015 Ω with 100 V, 1 x 105 to 2 x 1014 Ω with 10 V with automatic digital measuring range announcement.
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