Power supply adapter 90 ... 250 VAC / 5 VDC for METRAHIT 2x, CAT IV. The power adapter enables battery-saving mains operation, especially for continuous measurements on multimeters with internal memory. For METRAHIT 27M, 27I, 28C, 28S, 29S and 30M with plug connections from model year 2004. Wide range input: 90 - 253 V AC, 50 - 60 Hz, 12 VA. Output: 5 V DC, 600 mAMeasuring category CAT IV @ 600 V.