Vanguard ATRT-01_01B_01D - Manual (Page 21)

Model ATRT-01 (v) Operating Instructions
Rev 02
May 02, 2002
20
21.0 Transformer Turns-Ratio Test Result Display
RATIO mA %DIFF
+1.003 0002 0.3
Figure 21-0. Test Result Display
a. Description: The ATRT-01 displays the transformer turns ratio, excitation current (in
milliamps), and turns-ratio error percentage. A typical turns-ratio test-result screen is shown on
Figure 21-0, above.
Note
Ratio displayed: 1.003
Polarity displayed: “+” (in phase)
Excitation current: 2 ma
Percentage error: 0.3 %
b. Origin: This screen is displayed after the user presses START from the Start Test Menu.
c. Action Option: Press any key to return to the start-up menu (Figure 16-0).