Vanguard Instruments ATRT-03 - ATRT-03;03 A Test Result Print out in Column Format; Figure 14-10. Column Format Printout

Model ATRT-03 (v) Operating Instruction
37
14-10. ATRT-03/03A Test Result Print Out In Column Format
Figure 14-10. Column Format Printout
Test Result Print Out is explained below:
1. Test record time and date is printed at the top line of print out.
2. Test voltage is 40 volts in this test. See section 26.0 for more detail about test voltages.
3. Type of transformer under test is single phase.
4. H tap voltage is 7,200 volts.
5. X tap voltage is 480 volts.
6. Measured ratio is 15.006
7. Excitation current is 1.0 mA
8. Percentage error between calculated ratio and measured ratio is 0.04%
9. Calculated ratio is: 15.000
10.Winding polarity is shown as “+” or “in phase”.