Hioki 3511-50, Instruction Manual, Page: 20 / 140

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2.2 Connecting the Test Leads
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2.2 Connecting the Test Leads
The 3511-50 has five test terminals:
H
CUR
terminal (to which the test signal is supplied)
H
POT
terminal (detected voltage high terminal)
L
POT
terminal (detected voltage low terminal)
L
CUR
terminal (test current detected terminal)
GUARD terminal (connected to the chassis of the unit).
These test terminals are designed according to the safety standard;
Pollution Degree 2, Overvoltage Category I.