Amprobe DM-4 Power-Quality-Recorder - Manual (Page 36)

3) Install the software and start it – Close the introduction window
4) Press F2 and follow the commands.
5) Refer to software help file for further instructions.
11. MEASURING PROCEDURES
11.1 USING THE INSTRUMENT IN A SINGLE PHASE SYSTEM
m
Instrument connection in a single-phase system
m
1) Check the cables connection.
2) Connect the phase and neutral voltage wires according to the connections
shown in the above picture.
35
DM-4 Power Quality Recorder
CAUTION
The maximum voltage between L1 and COM inputs is CATIII 635V~
phase-phase and 370V~ phase – earth. Do not measure voltages
exceeding the limits prescribed by this manual. Should you exceed the
voltage limits you could damage the instrument and/or its components
or endanger your safety.
CAUTION
If possible, before connecting the instrument to the electrical system,
remove the power off the electrical system.
Phase 1
Black
Yellow
Phase 2
Neutral
Phase 3