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WHAT ARE SUBMETERS AND WHY USE THEM?

EIG Submetering Commercialization

Submeters Monitor Specific Areas within a Building

  • Submeters are meters used to determine the amount of energy used
    within specific areas of a building.
  • The energy measurements are then used to allocate or bill for
    electrical usage by tenants or departments within the building.
EIG Submetering Commercialization
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Benefits of Submetering?

  • Submetering Saves Energy. Submetering buildings produces an annual savings of up to 18-30% of total electrical consumption in the first year. 
  • Submetering Energy Savings Persist Over Time. Submetering savings are maintainable over long periods of time because:
        (a) Conservation is reinforced by the resident’s receipt of an electric bill.
        (b) Residents will invest in efficiency (e.g., more efficient refrigerators and lighting) because they will reap the benefits directly.
  • Approximately 60-70% of Tenants Benefit from Submetering. The only tenants who fare worse under Submetering than under other means of allocating electric cost are those who use excessive amounts of electricity.
  • Submetering is Fair. Submetering simply restores the “user pay” concept. Tenants pay for what they use and will change their habits to improve efficiency.
  • Submetering Benefits Owners. Submetering largely eliminates variable and difficult-to-control factors from a building’s operating budget. Owners can better predict costs when the only energy usage to be considered is for common areas under management control.

Shark®100S Submeter

Multifunction WiFi Electric Submeter

Key Features:

  • ANSI C12.20 0.2 Accuracy Class energy measurements.
  • Standard RS485 Communication; Modbus RTU/ASCII and DNP3.
  • Simultaneous Ethernet and WiFi communication; Modbus TCP.
  • Bright red LED display with three .56″ lines.
  • Built-in KYZ pulse for accuracy testing.
  • Limit alarms and THD.
  •  Standard IrDA for meter configuration.
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Shark® 200S Submeter

Data Logging WiFi  Electric Submeter

Key Features:

All of Shark® 100S meter features*, plus:

  • Load profiling and trending, including:
    • Three historical trending logs of 64 parameters each.
    • Limits/alarm log.
    • System Events anti-tampering log.
  • Advanced metering: Transformer Line Loss and CT/PT compensation.

(*THD not available.)

Shark® MP200

Data Logging Multipoint WiFi Energy Meter

Key Features:

  • ANSI C12.20 0.2 Accuracy Class energy measurements.
  • Rugged, space saving design consolidates multiple metering
    points into one processing CPU.
  • 24 single or 8 three phase circuit metering.
  • Two historical trending logs – over eight years of logging.
  • Standard RS485 Communication; Modbus RTU/ASCII.
  • Simultaneous Ethernet and WiFi communication; Modbus TCP.
  • Transducer and remote LCD color touchscreen display for easy retrofit installation in a panel.
  • Front USB port for direct data download and meter configuration.
  • Built-in KYZ pulse for accuracy testing.
  • Limit and control capability.
  • Standard CTs; can ignore reverse CTs for easier
    installation.
  • Stud inputs for substation and critical infrastructure.
  • Optional pre-wired NEMA 1X enclosure.
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EIG Submetering Commercialization

ST40 Meter

Compact DIN Rail Electric Submeter with Power Quality

Key Features:

  • Small footprint for machine level monitoring, solar, wind, and other
    applications with limited installation space.
  • ANSI C12.20 0.2 Accuracy Class energy measurements.
  • Power quality waveform recording at up to 512 samples per cycle.
  • Extensive memory for logging load profiles, system events,
    limits, and alarms.
  • Modbus, BACnet/IP, or DNP3 for software integration.
  • RJ45 Ethernet or RS485 com ports.
  • Advanced metering features: Transformer line loss and CT/PT compensation.

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