5.1 The tester should be checked and also related
records should be made before use in each shift.
5.2 The resistance for the testing is 37.5 A/100 mΩ
5.3 Tester check
5.3.1 Connect one end of the 37.5A/100mΩ
standard resistance to the resistance measuring
side of the tester and the other end to the other
side of the ground resistance tester.
5.3.2 Switch the power on. Set the test
parameters of the tester: the current is 37.5A,
the upper limit of the alarmed resistance is
110mΩand the lower limit is 90 mΩ,
and the testing time is 5s.
5.3.3 Run the tester. If the tester does not send
the alarm signal, it is judged as “Qualified”;
if not, track the tested products. Please refer to
the following chart for the details.