ARTICLE

Meter made

25 February 2014

Trend Control Systems has developed a range of sub-meters that provide a simple-to-deploy solution to work with its BEMS.

 

Installing sub-meters to measure selected areas of energy use in a building or estate is an efficient way to find out how consumption is distributed around an estate, to benchmark an individual building’s performance and identify where opportunities for savings are greatest.

A field trial by the Carbon Trust showed that, on average, organisations that switch to using advanced metering reduced their carbon emissions by 12% and achieved financial savings of 5% through reduced utility consumption. Sub-metering is also covered under Part L of the Building Regulations, which requires at least 90% of each incoming energy source to be accounted for through sub-metering and additionally in larger buildings (over 1000M2) to include automatic meter reading and data collection facilities.

Trend has introduced four easy to install and simple to use electricity sub-meters that can be integrated into the Trend BEMS. These multi-phase devices can be supplied with the option of either open-collector pulse outputs or Modbus communications. They are also available for either direct connection to the measured supply or connection using 5A current transformers.

These new sub-meters conform to the requirements of EN 50470-3 (Class B) and IEC 62053-0    (Class 1).  All meters feature a seven-digit backlit LCD showing total energy, power, voltage and current for each phase. They also feature a kWh pulse indicator and dual tariff recording capability.

 
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