5.2.5.4. DAI – Dielectric absorption index
• The absorption index is the quotient of the resistance values measured
at the times defined in Ra and Rb. This index is useful in preventive and
predictive maintenance of windings (present in transformers, motors,
generators, etc.). With the control
press
. With the control
to confirm or cancel with
Standard values for absorption index:
, select the time value for Ra and
, select the time value for Rb and press
.
=DIELECTRIC ABSORP.=
DAI = Ra / Rb
Ra: 60 sec
Rb: 30 sec
R
DAI
=
R
26
60 s
30 s