User's Manual

82 Meter Specifications
Appendix B
Meter Specifications
The following are the specifications for the Echelon ANSI electric meters:
Category Detail
Standards met: ANSI C12.1, ANSI C12.10, ANSI C12.18, ANSI C12.19, ANSI C12.20
Accuracy: Active: Class 0.5
Reactive: Class 0.5
Temperature, specified
operating range:
–40° to +85° C
(display is fully operational at –25° to +60° C)
Temperature, limit range
of operation:
–40° to +85° C
Temperature, limit range
for storage and transport:
–40° to +85° C
Humidity: <= 95%, non-condensing
Power consumption: Voltage circuit < 2W, < 5VA. Current circuit at TA: < 1 VA
Control relay (optional): Single-pole single-throw normally-open (1P-1T NO) dry (no output voltage)
switch. The maximum load rating is 5A. Voltages up to 250V can be routed
through the relay.
Pulse output, KZ
(optional):
1 reference and 2 signal connections
Load disconnect switch: 200 amps maximum. Remote disconnect and enable
Service types: Dependent on ANSI form and model
Form 2S: 1-phase, 2-wire
Units measured: kW forward, reverse; kWh forward, reverse, forward + reverse, forward – reverse;
kvar import, export; kvarh import, export; RMS voltage, per phase; RMS current,
per phase; power factor, per phase; frequency; sine of phase angle, per phase
Power quality analysis: Sag; swell; number of over-current occurrences; number of long power outages;
duration and time of the last 10 long power outages; number of short outages;
maximum and minimum frequency; phase loss (in polyphase meters)
Time of Use: 4 tariffs with 10 possible time assignments per day. 4-seasons per perpetual
calendar (set by Day/Month). Perpetual holiday calendar for up to 15 holidays /
year. Perpetual daylight savings changeover. 2 separate holiday day schedules
per season. 1 weekday, 1 Saturday, and 1 Sunday day schedule per season