General Information
CENTRON Meter Technical Reference Guide 1-3
Physical Description
The CENTRON meter features a common meter base to which various personality
modules are attached. The covers come in configurations of polycarbonate and
glass.
Meter Base
The CENTRON meter base contains all of the measurement circuitry and
calibration information on the metrology board.
The meter base assembly includes two current conductors, a flux-directing core, a
Hall Effect device, the metrology circuit board, and the ultrasonically welded
module support. The base also contains a MOV, metal oxide varistor, which is used
to protect the meter from line surges.
Meter bases are built specific to the metering form and are available in Form 1S, 2S
CL200, 2S CL320, 3S 120V, 3S 240V, 4S, and 12/25S configurations.Examples are
shown in Figure 1.2, Figure 1.3, and Figure 1.4.
Figure 1.2 Form 1S, 120 Volt Figure 1.3 Form 2S, CL200 240 Volt
Figure 1.4 Form 4S, 20 Amp Transformer-Rated
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