Fluke 1744 User Manual

  

31 

The Logger records two types of interruptions: 

•

  All measured RMS values of input voltages that are < 1% of the 

nominal voltage. (This threshold can be adjusted in PQ Log.) 

•

  Interruptions > 10 ms (0.5 line power periods). 

The start time and duration of each interruption are registered.  

Time

90% Un

 1%

Duration

100% Un

110% Un

 

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