TESTER PHASE ROTATION 2HZ - 400HZ; Test Frequency Range:2Hz to 400Hz; Voltage Measuring Range AC:0V to 440V; Operating Temperature Min:-; Operating Temperature Max:-; External Height:124mm; External Width:61mm; External Depth:27mm; Weight:-; Product Range:-; SVHC:No SVHC (15-Jun-2015); Voltage Rating VAC:440V