Twilight DT4221, Instruction Manua, Page: 55 / 81

49
Checking the Relative Value/Performing Zero Adjustment
Performing zero adjustment
When performing zero adjustment, the condition of the test
leads varies depending on the measurement function.
Perform zero adjustment, referring to the table below.
Measurement function V,
Ω
,
Condition of the test leads Short circuit Open
Example 1:
Resistance measurement
(DT4222, DT4223, DT4224)
1
Select the measurement
function.
2
Connect the test leads
to the measurement
terminals.
3
Allow the test leads to
short circuit.
DT4222: Press
for at least 1 second.
DT4223, DT4224: Press
for at least 1
second.
(After zero adjustment: 0.0
Ω
)
4
Measure the resistance.
2
1
3