Digital Transformer Ratiometer DTR
®
Model 8510
31
If the H/X were reversed, the instrument will display the following error
message and terminate the test.
Figure 5-5
NOTE:
• If there were a polarity reversal, the Ratio would be displayed
negative and it would be blinking. This means either the
connections are reversed on a given side or the transformer is
wound backwards relative to the marking.
• The test may be run as many times as needed by pressing the
TEST
button.
• An active test can be cancelled at any time by pressing the
TEST
button.
• Make sure that the H
RED
lead is always connected such that it
does not short to the X
RED
or X
BLACK
lead directly or through
earth ground. See § 6 for more connection details.
5.2.2 Storing the Measurement Record
(Manual and Auto Mode)
The storage mode you are in depends on what you selected when config
-
uring the instrument (see § 4.3) before running a test.
5.2.2.1 Manual Mode
When
Manual
mode is selected, the Measurement Record storage is
optional to the user.
1.
To store the active measurement using
Manual
mode, press the
MEM
(ENTER) button. The display looks as shown below:
Figure 5-6
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