Sonel WMGBMPI525 User Manual page 34

At the end of the particular time period the current value of the insulation re-
sistance (designated as R
expired) is displayed. Absorption coefficients are calculated as:
Ab1 = DAR = R
32
Connect test leads according to the drawing.
, R or R
t1 t2
/ R and Ab2 = PI = R
t2 t1
MPI-525 – USER MANUAL
Press and hold START push-but-
ton.
Measurement is performed continu-
ously when the push-button is held
in the pressed position.
In order to maintain the
measurement, press ENTER push-
button while holding START push-
button in the pressed position. In
order to interrupt the mesaurement,
press START push-button again.
View of the screen
during measurement
performed with the
use of ENTER push-
button.
according to the time period that has
t3
/ R .
t3 t2
Read out the result.