Fluke 1738 User Manual page 30

1736/1738
Users Manual
Single Phase IT
The logger has a galvanic isolation between the voltage inputs and
ground based signals like USB and mains input.
Example: Used in Norway and in some hospitals. This would be the
connection at a branch circuit.
Energy Study
Load Study (no voltage measurement)
24
Split Phase
Example: A North American residential installation at the service
entrance.
Energy Study
Load Study (no voltage measurement)