- The EM133 can serve any application from residential energy metering, through industrial energy and harmonic analysis through utility comprehensive substation automation. It provides multifunctional 3‑phase power metering, revenue metering and basic power quality information. The EM133 features an internal real time clock (RTC), battery backup and onboard non-volatile memory for event and data logging. The device includes 16 set points and 4 counters that operate the built in 2 DI/ 1RO or the various analog and digital I/O add-ons.
- Multifunctional 3-Phase Smart Meter
+ True RMS, volts, amps, power, power factor, neutral current, voltage and current unbalance, frequency
+ Ampere/Volt demand meter
+ 25, 50, 60 and 400 Hz measurements
+ 128 samples per cycle
- Billing/TOU Energy Meter
+ Accuracy Class 0.5S
+ Four-quadrant active and reactive energy poly-phase static meter
+ Three-phase total and per phase energy measurements; active, reactive and apparent energy counters
+ Time-of-Use, 4 totalization and tariff energy/demand registers x 8 tariffs, 4 seasons x 4 types of days, 8 tariff changes per day
+ One–time easy programmable tariff calendar schedule
+ Automatic daily energy and maximum demand profile log for total and tariff registers
- Harmonic Analyzer
+ Voltage and current THD, TDD and K-Factor, up to 40th order harmonic
+ Voltage and current harmonic spectrum and angles
- Real-time Waveform Capture (via PC)
+ Real-time “scope mode” waveform monitoring capability
+ Simultaneous 6-channel 8-cycle waveform capture at a rate of 64 samples per cycle
- Programmable Logical Controller
+ Embedded programmable controller
+ 16 control set points; programmable thresholds and delays
+ Relay output control
+ 1-cycle response time
- Event and Data Recording
+ Non-volatile memory for long-term event and data recording for at least 90 days history storage capabilities
+ Event recorder for logging internal diagnostic events and setup changes
+ Two data recorders; programmable data logs on a periodic basis; automatic daily energy and maximum demand profile log
- Display
+ Easy to read 2 x 16 Characters LCD display, adjustable update time
+ Auto-scroll option with adjustable page exposition time; auto-return to a default page