The Nexus® 1252 energy and power quality meter is ideal for high performance power metering and power quality analysis. Utilizing auto-calibrating metrology, the meter is highly stable and accurate. It provides a highly comprehensive circuit analysis and is ideal when critical information and reliability is paramount.
Nexus 1252 Energy and Power Quality Meter
Nexus 1252 Energy and Power Quality Meter
- High Performance Revenue Metering
- Advanced Power Quality Analyzer
- Extensive Communication
- Extensive I/O Expansion
High Performance Revenue Metering
Ideal for Critical Metering Applications
- 0.06% revenue grade metering accuracy
- Precision auto-calibrating metrology with temperature compensation
- Transformer Line Loss and CT/PT compensation
- Time of Use programming
- Max/min for all parameters and coincidental readings of watts and VARs
Advanced Power Quality Analyzer
Perform Detailed Power Quality Analysis
- Record waveforms on fault and voltage events and input status changes at up to 512 samples per cycle
- Record subcycle transients
- Measure and record harmonic magnitudes to the 255th order
- Perform phasor analysis
- ITIC/CBEMA log plotting
- EN 50160 /IEC 61000-4-15 Flicker and Compliance Monitoring
Extensive Communication
- Four isolated RS485 high-speed communication ports.
- Two RS485 ports can act as Modbus clients to I/O modules.
- One RS485 port can be used for RS232 communication.
- Onboard Ethernet connectivity.
- Modbus and DNP3 Level 2 Plus protocol support.
Extensive I/O Expansion
Acts as an RTU with I/O and Control
- Status inputs support load aggregation/universal metering
- Relay control for capacitor control, load shedding, and automatic transfer schemes
- Limits and logic to trigger operations
- ElectroLogic™ Relay Control provides graphical programming of relays
- Response time is typically less than 200 ms per I/O module
- Lower cost than traditional RTUs
Advanced Logging
Multiple Programmable Memory Logs
- Two historical logs of 64+ parameters each
- Limit Alarms log
- Event triggered waveform recording log
- ITIC/CBEMA log
- Relay output log
- Input status log
Total Web Solutions
Meter Data Integration with the Web
- Provides real time data on the web
- Fully customizable webpage development
- Multiple meter hosting on one webpage
- IT department friendly
- Instant alarm emails directly from the meter
Applications
Designed for Utilities, Industrial Users, and Critical Power Applications
- For energy providers –
- Smart grid and substation automation
- Transformer and circuit breaker monitoring
- Increase power distribution reliability
- Shed or shift loads quickly
- Heighten response time to PQ events
- For energy consumers –
- Real time PQ monitoring and analysis
- Reduce costs, conserve energy, and improve operational efficiency
- Increase productivity and reduce downtime
- Avoid high utility penalties for exceeding usage
- Optimize loads/extend equipment life
