Operation Manual

MI 3121H Smartec 2,5 kV Insulation / Continuity Continuity
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Test circuit for CONT resistance measurement
R
y
S
z
T
x
Figure 5.14: 2-wire test lead application
Continuous resistance measurement procedure
 Select continuity function RLOW or CONT using the BACK / NEXT keys of
function selector.
 Set sub-function CONT.
 Enable and set the limit (optional).
 Connect test lead to the instrument.
 Compensate test leads resistance (if necessary, see section 5.2.3).
 Disconnect from mains supply and discharge the object to be tested.
 Connect test leads to the tested object (see Figure 5.14).
 Press the TEST key to begin performing a continuous measurement.
 Press the TEST key to stop measurement.
 After the measurement is finished, store the result (optional).
Figure 5.15: Example of continuous resistance measurement
Displayed result:
Resistance.
Note:
 Continuous buzzer sound indicates that measured resistance is less than 2 Ω.