Advanced Performance Smart Power Meter NEXUS 1252

Advanced Performance Smart Power Meter - NEXUS 1252

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Perfect for Industrial, Commercial and Utility Applications, the "Performance Enhanced" Nexus 1252 meter is the newest power meter in the industry-leading Nexus series' meters. The 1252 includes all the attributes of the Nexus 1250 meter as well as a host of new features that arm users with the highest level of PQ analysis and communication on the market today including:

  • EN 50160 Flicker and Compliance Monitoring
  • Interharmonic Analysis
  • DNP 3.0 Level 2 Plus Protocol
  • Enhanced Log Downloading
  • Customized Modbus Mappings

Compliant with EN50160 international standards, the 1252 enables users to perform flicker analysis that can be damaging to both equipment and humans. The unit provides you with logging and monitoring for instantaneous Short Term (PST-10 Min) and Long Term (PLT-4 hour) evaluation.

The Nexus 1252 meter's Log Viewer program provides you with the ability to do more comprehensive analysis by viewing Interharmonics.

Incorporating the Industry leading, most advanced DNP 3.0 Implementation Protocol (DNP 3.0 Level 2 Plus), the Nexus 1252 meter complies with all DNP Level 1 and Level 2 certification requirements and additional key features including:

  • Mapping of up to 136 measurements to DNP Static points
  • Up to 16 Relays and 8 resets controlled through DNP
  • Flexible combinations of 4 events (Binary Input Change, Frozen Counter, Counter Change, Analog Change) for up to 250 Events
  • Freeze Commands

Standard Advanced Features Include:

High-Performance Revenue Metering

  • Eig's ACCU-MEASURE™ Sensing Technology
  • Laboratory Grade 0.04% Watt-Hour Accuracy
  • Exceeds all ANSI C-12 and IEC 687 Specifications
  • Auto Calibration with Temperature Compensation
  • Onboard 20-year Time of Use
  • Load Aggregation
  • Transformer Loss Compensation

High-Performance Power Quality Monitoring

  • High-Speed Transient Recording
  • Record up to 512 Samples per Cycle
  • EN 50160 Flicker and Compliance Monitoring
  • Voltage Surge and Sag Recording
  • Fault Recording and Analysis
  • Harmonic Magnitude Analysis to 255th Order
  • Interharmonic Analysis
  • Onboard CBEMA Logging
  • GPS Clock Sync

Advanced Memory and Communication and Control

  • 4 High-Speed Com Ports
  • Multiple Protocols including DNP 3.0 Level 2 Plus
  • Optional Onboard Ethernet
  • Optional Internal 56K Modem
  • 90msec. High-Speed Updates for Control
  • MV-90 Compatible

Technology for both the Utility Power Quality and Revenue Metering Departments

Historically, within a utility, separate departments managed revenue metering and power quality issues. Today, these departments are merging. Metering departments are providing additional value to keep customers loyal to the Power Utility. This also applies to inter-ties between utilities. To meet these applications, the Nexus 1252 meter combines the features of a high-end revenue meter with advanced power quality. The Nexus 1252 meter is the premier metering product encompassing a technological quantum leap.

Industrial and Institutional Users Obtain High-End Power Quality and Accurate Billing Measurements

Industrial and commercial customers require "High- End" power quality monitoring to record surges, sags and transients within a facility. Traditionally, expensive portable power quality equipment accomplished this task. With the Nexus 1252 meter , the data is always available online in the power meter to provide the needed power quality assessment immediately. Moreover, the meter's precision accuracy can be used for primary metering, sub-metering or to check the installed utility meter.

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