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The DAR and PI ratios are calculated as follows:
(The 2 values to be noted during a 10 minute measurement are at the end of 1
minute and 10 minutes.)
(The 2 values to be noted during a 1 minute measurement are at the end of 30
seconds and at the end of 1 minute.)
The times used for the PI calculation are 1 minute and 10 minutes. The DAR
calculation uses 30 seconds and 60 seconds. The times for both calculations are
considered standards and are programmed as defaults into the instrument. They
DAR
<1.25
<1.6
>1.6
This secondary function is unavailable through the interface. Printing measurement
data is completed through DataView Software.
3.3 DISPLAY / GRAPH BUTTON
The primary function of this button is used to browse through the various screens
of information available before, during or after the measurement. The screens
vary depending on the mode selected before the measurement is started.
This section, starting on the following page, shows typical screens that can be
displayed for each test mode.
26
www.
PI
<1
Poor or even dangerous
<2
<4
Good
>4
Excellent
Megohmmeter Model 5070
.com
information@itm.com
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