User's Manual

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Contact Elster Electricity for information
30 November 2006 3-3
REX Meter
Technical Manual 3 Operating Instructions
Figure 3-3. Real energy indicators
Power/Energy Unit Identifier. The power/energy unit identifier is used to
indicate that the number displayed on the meter’s LCD is either a demand or an
energy value. When the value in the display quantity is a demand quantity, kW is
displayed on the LCD, as shown in Figure 3-4. When the value in the display
quantity is an energy quantity, kWh is displayed on the LCD, as shown in
Figure 3-5.
Figure 3-4. LCD displaying a sample demand value for TOU rate D
Figure 3-5. LCD displaying a sample 5-digit energy value for TOU rate C
Operating Mode The normal operation of the REX meter is to process and store metering data
while the LCD scrolls through its display list. While operating, the test LED (see
Figure 4-1) transmits test pulses proportional to metered energy. Each pulse
represents one K
h
of energy. See “Optical Pulse Outputs” on page 4-1 for more
information.
Received
energy arrow
Delivered
energy arrow
K
h
pulse indicator