4.5 Connecting to the Lines to be Measured (Preparing for Current Measurement)
63
Chapter 4 Configuring the Instrument before Measurement (SYSTEM - SYSTEM screen) and
Wiring
4
Leakage current measurement
Be sure to read "Using the Magnetic Adapter and Magnetic Strap" (p.13)
How to attach the strap
"Attaching the Z5020 Magnetic Strap" (p.40)
Grounding wire
measurement
Clamp 1 wire only. (Diagram A)
Batch
measurement
Clamp the electrical circuits together. (Diagram B)
Clamp 2 wires together in the single phase 2-wi
re system circuit, and 4 wires in the 3-phase
4-wire system circuit.
Example:
Single phase 3-wire system circuit
Load
apparatus
A
B
B
B
B
A
A
B-type
grounding wire
Transformer
Leakage
current lg
Load apparatus
D-type
grounding wire
B-type
grounding wire
Leakage
current lg
Example:
3-phase 3-wire system circuit
Attaching Cords on a Wall
Using Model Z5004 Magnetic Strap allows you to attach voltage cords
and cords of current sensors to a wall or panel (steel).
In particular, Model Z5004 can prevent the own weight of the voltage
cords from detaching those alligator clips or magnet adapters.
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