GE D25 User Manual page 139

GE Grid Solutions
CT/PT Modules,
Procedure: Metering Range Calibration
(0% - 195%) (continued)
Step
GE Information
Continued
8. Inject the test currents (see the following table) into the inputs, and
use the D25 AC Input Engineering Value Displays to verify that the
reported raw magnitudes are within the tolerances stated in the
following tables:
CT Type: 1A Part Number: 450-0107
For Test Current...
1.000 A ± 0.05%
rms
CT Type: 5A Part Number: 450-0108
For Test Current...
1.000 A ± 0.05%
rms
Action
Expected Raw Value is...
2048
Expected Raw Value is...
2048
994-0081-3.00-21
D25
User's Manual
Tolerance
± 4 counts
Tolerance
± 4 counts
139