2.2 Preparing to Use the Instrument after Purchase
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Chapter 2 Measurement Preparations
The instrument includes spiral tubes for use with clamp sensors. In order to prevent
erroneous connections, these spiral tubes are wrapped around clamp sensor cables
and color-coded to help recognize channels. Once you have wrapped the color spi-
ral tubes around the cables, group multiple clamp sensor cables together with the
black spiral tubes as necessary.
Preparation items:
single-phase/3-wire (1P3W) and 3-phase/3-wire (3P3W2M)
Wrapping Color-coded Spiral Tubes around Clamp Sensors and
Grouping Together Cables
Four color spiral tubes (For
color-coding clamp sensors)
Two clamp sensors in use
Red (thin)
Yellow (thin)
Five spiral tubes (For
grouping together cords)
Model 9661
Black (thick)
1
Wrap spiral tubes of the same color around the
connector and sensor sides of the clamp sen-
sor cable.
CH1: Red tubes
CH2: Yellow tubes
CH3: Blue tubes
2
Group together multiple clamp sensor cables with spiral tubes.
Line up the ends of multiple clamp sensor cables so that they can be more easily
grouped together. Wrap spiral tubes around multiple cables so as to group them to-
gether. The instrument includes five spiral tubes, which should be placed at appro-
priate intervals.
Black tubes
Red
Yellow
Red
Yellow
CH1
CH2
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