̶ 16 ̶
8-2 Measurement procedure
(1) Connect the test leads to the instrument.
Plug the L-shaped Banana plug of MODEL7248 into the E
terminal as illustrated below.
(2) Connection
Connect the instrument as illustrated below.
#
DANGER
● Always use a voltage detector for testing the earth side of the
commercial power supply.
● Do not use this instrument for testing the earth side of the
commercial power supply. It is dangerous because the LCD
may not show the measured voltage even the circuit under
test is in live if the earth of the electrode under test is loose/
disconnected or the connection of the test leads is not proper.
(3) Checking the earth voltage
Check the earth voltage displayed on the LCD without pressing
the Test button.
Fig. 8-2
Fig. 8-3 Measuring the earth resistance
of load
Fig. 8-4 Measuring the earth
resistance of wall socket
H+S(C+P)
E
Rx
re
POWER
LOAD
L
N
E
Summary of Contents for kew 4300
Page 1: ...Instruction Manual Simplified Earth Tester KEW 4300...
Page 22: ...20 MEMO...
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