Power Analyser UMG 508Supply voltage: 95 - 240V (50/60Hz), 80 - 280V DC Installation category: 300V CATIII4 voltage measurement inputs, measurement category: 600V CATIIIMeasurement in three-phase 4-wire systems up to 417V/720V (IEC) Measurement in three-phase 4-wire systems up to 347V/600V (UL) Measurement in three-phase 3-wire systems up to 600V, measuring range: L - N: 10 - 600V, 40 - 70Hz Measuring range: L - L: 18 - 1000V, 40 - 70Hz4 current measurement inputs for current transformers ../1 or ../5A Measuring category: 300V CATIII Measuring range: 0.001 .. 7.4Arms, 8 Digital inputs, 5 digital outputs, data memory: 256MB Flash, interfaces: RS485, Profibus DP V0, Ethernet 10/100 BaseTXAccessories:- Item no.: 5219301, 2 mounting brackets - Item no.: 0801505, cross-patch cable, CAT5e, 2m,- Item no.: 3303120, installation and commissioning instructionsProgramming software 'GridVis Basic' download: www.janitza.de/gridvis-download.html