Kikusui KHA1000, Operation Manual, Page: 39 / 274

KHA1000
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2.4 Connecting the Rear-side Terminals
•
To prevent an electric shock, be sure to remove the power cord from
the outlet or turn off the POWER switch.
The L and N polarities of the LOAD and SOURCE terminals conform to IEC
standard measurement category CAT I or CAT II. This category depends on the
input voltage (Table 2-3).
Table 2-3 Measurement categories
2.4.1 Connecting EUT (LOAD Terminal)
Connect the equipment under test to the LOAD terminals. Match the polarities (L,
N, and G) of the terminals and equipment under test to each other. (G is a protective
grounding or grounding terminal.)
When the equipment under test has a power cord with a plug, connect it to the LOAD
terminals using a relay outlet. Match the polarities (L, N, and G) of the terminals and
relay outlet to each other. (G is a protective grounding or grounding terminal.)
The customer is required to obtain the relay outlet according to the measurement
environment.
Fig.2-5 Connecting the input terminals
WARNING
Input voltage Measurement category
250 Vrms(exclusive) to
300 Vrms
CAT I: Measures circuits that are not directly connected to
commercial power.
250 Vrms or less
CAT II: Measures the primary-side circuits of devices (such
as home electric appliances and portable tools) that are
directly connected to low-voltage fixtures such as outlets.
INPUT
OUTPUT
L N G
EUT
Relay outlet
G N L G N L
G N L
G N L
Power cord with plug
Voltage sensing terminal
External signal
input terminal
AC power supply AC power supply
LOAD terminal
SOURCE terminal