User's Manual

General Information
1-2 CENTRON Meter Technical Reference Guide
General Description
The CENTRON meter family is a solid-state, singlephase and network meter used
for measuring electrical energy consumption. The CENTRON incorporates a two-
piece design combining a base metrology with a variety of personality modules
that snap on the standard meter base. Utilizing the Hall Effect technology for
accurate power measurement, the metrology portion of the meter contains all
measurement circuitry and calibration information, while the personality modules
contain the register functionality and communication mediums.
Each version of the meter is distinguished by the various personality modules that
mount to the standard meter metrology base (see Figure 1.1) The personality
modules available include the following versions:
• Energy only—C1S (clock, cyclometer, or LCD)
• Demand—C1SD
• Time-of-Use (TOU) with Demand—C1ST
• Load Profile with TOU and Demand—C1SL
• Energy only with radio frequency AMR—C1SR
• CellNet Fixed Network—C1SC
• Energy plus demand with radio frequency AMR - R300CD
Figure 1.1 Personality Modules
Cyclometer
LCD
R300
R300CD Option
CellNet
Demand/TOU/Load Profile
Clock