Insulation Resistance Meters. testing voltage 2500V. testing Insulation resistance 100Gohm. Digital & analog Bar Display. 2500V 100Gohm Insulation Resistance Meters:♦ Complies with IEC/EN 61010-1 1000V CAT III 600 V CAT IV♦ Secondary injection molding case♦ SMT application***Basic Functions: ♦ Insulation Resistance Range : 0.01 MΩ ~ 100.00 GΩ♦ Insulation Test Voltages : 50v/100v/250v/ 500v/1000 V ...