3–4
EPM 4
5
00 SUB METER – INSTRUCTION MANUAL
CT MULTIPLIER TABLE
CHAPTER 3: USING THE METER
3.2
CT Multiplier Table
3.2.1
CT Multipliers
Note
The following table MUST BE used to verify the correct current readings, based on the
rating of the CT installed.
Note
The multiplier that corresponds with the CT rating MUST BE applied to the current reading
shown on the display of the EPM4
5
00 by multiplying that reading by the multiplier shown
above. The multiplier MUST also be applied in the same manner when calculating kW and
kWh. Failure to use the appropriate multiplier will result in an incorrect diagnosis of the
meter's functionality and incorrect revenue billing.
Table 3–1: CT Multiplier Tables
For “L” or 0.1 A models
For “H” or 5 A models
CT Size
Multiplier
CT Size
Multiplier
50 A
×
0.5
200 A
×
40
100 A
×
1
400 A
×
80
200 A
×
2
400 A
×
4
800 A
×
8
