HIOKI IR4057-50 INSULATION TESTER (420 /600 V)

Rated output voltage: 50 V DC/ 125 V DC /250 V DC/ 500 V DC/ 1000 V DC

Effective maximum indicated value: 100 MΩ/250 MΩ/500 MΩ/2000 MΩ/4000 MΩ

DC voltage range: 4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges,

Accuracy: ±1.3% rdg. ±4 dgt., Input resistance: 100 kΩ or higher

AC voltage range; 420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz,

Accuracy: ±2.3% rdg. ±8 dgt., Input resistance: 100 kΩ or higher, Average rectifier

Power supply: LR6 (AA) alkaline batteries × 4, Continuous use: 20 hours (based on in-house testing)

Number of measurements: 1000 times (at 5 s ON, 25 s OFF cycle, insulation measurement of lower limit resistance value to maintain nominal output voltage)

Dimensions and mass: 159 mm (6.26 in) W × 177 mm (6.97 in) H× 53 mm (2.09 in) D, 640 g (22.6 oz) (including batteries, excluding test leads)

Accessories: Connection cable L4930 ×1, Alligator clip set L4935 ×1, Test pin set L4938 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4