CALIBRATION REQUIREMENTS

CHAPTER 11: PROGRAMMING GROUP 2 - METER CALIBRATION

11.1 Calibration Requirements

Calibration on the EPM 5300P requires precise inputs of 120 Volts, 5 Amps, and 2.5 Amps. The EPM 5300P -G model requires precise inputs of 300 Volts, 5 Amps, and 2.5 Amps. If this equipment is unavailable, contact us for assistance.

Table 11–1: Group 2 Programming Format

Group and Function Number

Function

 

 

20.

High End Calibration—Volts AN, BN, CN

 

 

21.

High End Calibration—Amps A, B, C

 

 

22.

Low End Calibration—Amps A, B, C

 

 

2E.

Exit Programming Group 2

 

 

The voltage and current scales are calibrated with the maximum range value 2000 for current, 14.40 for voltage, 300 for option G. The calibration value can be identical to the full scale value in GROUP 1, for better accuracy than the specification. However, if a full scale is ever changed to a higher value than the calibrated value, the value may be less accurate.

Table 11–2: Calibration Source, Full Scale and Value Settings for Calibration

Voltage Range

Input Source

Group 2 Value

 

 

 

69.3/120V

75V

1440

 

 

 

120/208V

120V L-N

1440

 

 

 

277/480V

300V

0300

 

 

 

5A CT High End

5A

2000

 

 

 

2.5A Low End

2.5A

1000

 

 

 

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EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL

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GE EPM 5200, EPM 5300, EPM 5350 Calibration Requirements, Group 2 Programming Format, High End Calibration-Volts AN, BN, CN