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F.3.2 Probe Hookup Procedure for Simultaneous 3 Phase Meter
Verification Testing 6000 Bird Dog Plus Only
The following is a list of meter types that can be tested by testing both the meter and the meter
circuit at the same time. These are all CT rated meters:
Number of Steps
Required to Section Number Current
Verify Accuracy Location Connection
Form 3 1 F.3.2.1 Direct Connect or Clamp-on CT
Form 4 1 F.3.2.2 Direct Connect or Clamp-on CTs
Form 5 1 F.3.2.3 Direct Connect or Clamp-on CTs
Form 6 1 F.3.2.4 Direct Connect or Clamp-on CTs
Form 8 1 F.3.2.5 Direct Connect or Clamp-on CTs
Form 9 1 F.3.2.6 Direct Connect or Clamp-on CTs
The following is a list of meter types that can be tested by testing only the meter. These meters
have no external CT’s associated with them:
Number of Tests
Required to Section Number Current
Verify Accuracy Location Connection
Form 1 1 F.3.2.7 Clamp-on CT
Form 2 1 F.3.2.8 Clamp-on CTs
Form 12 1 F.3.2.9 Clamp-on CTs
Form 14 1 F.3.2.10 Clamp-on CTs
Form 15 1 F.3.2.11 Clamp-on CTs
Form 16 1 F.3.2.12 Clamp-on CTs
Form 17 1 F.3.2.12 Clamp-on CTs
Concerning clamp-on CTs, Spinlab has 2 to offer:
1. The Small I Probes have a dynamic range from .5A to 100A. They have an inside diameter of
.75 inches. Used in meter forms 1 through 17.
2. The Large I Probes have a dynamic range from 10A to 1000A. They have an inside diameter
of 2 inches. These probes are used in residential & 3 phase self-contained meters: Forms 1, 2,