"TESTECRAN+â„¢ is used to check the outer sheath of an underground medium or low voltage cable By measuring the insulation resistance between the screen and earth. If a faulty condition is found, corrective measures must be taken to ensure ongoing good cable function. It is a hand held device supplied in a carrying case with its earth peg and connecting cables.Power: 4 x batteries 1.5 V. Dimensions: 150 x 80 x30 mm . Weight: 0.6 KgTester Type = Insulation TesterPower Source = BatteryWidth = 80mmWeight = 600gLength = 150mmHeight = 30mmDimensions = 150 x 80 x 30mmModel Number p = TESTECRAN+"