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Energy Meter Calibration

Calibration of Electricity Meters/Power & Energy Meters

Energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device.

Why Calibration of Energy Meter is important?

When was the last time you calibrated your company’s electrical meter or looked at the data from your meters? If it’s been awhile, or you are not metering at all, you’re not alone. Many companies overlook the potential cost savings found within their utility bills. Both your electricity bill and your meters can help you cut or control utility costs.

Calibrated meters can reduce your energy use and costs.

Jansal recommends calibrating your electricity meter when you first install it, after five years of service, after it experiences any damage, and whenever you suspect its readings are inaccurate.

When your meters are calibrated correctly, they provide valuable data that can help you to save money and plan your capital expenditures. Data from calibrated electricity meters provides an accurate baseline for measuring your facility’s energy use. You can use this information to reduce energy use and improve your facility’s overall operations.

Metered data helps you allocate resources to departments or bill tenants.

Electric utilities use electric meters installed at customers’ premises for billing purposes. It measures the electrical energy and is available as single- and multi-phase. They are typically calibrated in billing units, the most common one being the kilowatt hour (kWh). They are usually read once each billing period. A regular calibration with us checks how stable the instruments measure.

If you lease space to tenants, data from your meters can help you accurately bill tenants for the electricity they use. You may find you’re unwittingly giving a discount to some tenants while overcharging others. If you have had your meter calibrated but still feel you’re paying more than you should for electricity, it’s time to have your utility bill audited for errors

Data from meters identifies trends in energy usage.

When your meters are calibrated correctly, they provide valuable data that can help you save money and more precisely plan capital expenditures. Data from calibrated electricity meters provides an accurate baseline for measuring your facility’s energy use. You can use this information to reduce energy use and improve your facility’s overall operations.

Tracking electricity usage trends also helps you keep your energy costs in check. If you notice your electricity bill is increasing over time, it may be time to recalibrate your meter or schedule a utility bill audit to uncover savings opportunities. By having your instruments and measurement systems calibrated by us, the measurement errors are minimized. This helps you to optimize the quality of your measurements and minimize losses. Calibration is an important tool for ensuring the quality of the measurements and through continuous calibrations at Jansal, the foundation is laid.

Calibration of energy meter helps to improve the efficiency/effectiveness (improve the quality of results) of energy audits

An energy audit is an inspection survey and an analysis of energy flows for energy conservation in a building. It may include a process or system to reduce the amount of energy input into the system without negatively affecting the output.

In commercial and industrial real estate, an energy audit is the first step in identifying opportunities to reduce energy expense and carbon footprint.

A home energy audit is often used to identify cost effective ways to improve the comfort and efficiency of buildings. In addition, homes may qualify for energy efficiency grants from government.

Calibration of energy meters are important for Green Buildings for the efficient use of electricity.

Calibration Method

A common calibration method is to generate (simulate) the desired power levels and compare the instrument’s display with the display of Jansal’s reference instrument. For this purpose, Jansal has access to reference equipment whose measurement uncertainty is well below 0.01 %.
  • Jansal can perform calibration in single-phase or three-phase, 3 wire or 4 wire coupling, at any power factor.
  • Jansal can perform Offline (by removing the load form Energy meter) and Online (without removing the load from the energy meter) Calibration.
  • Jansal can also verify the CT & PT of energy meters to confirm the meter accuracy.
  • Jansal can do the calibration of energy meters at site and lab facility.
  • Master reference equipment used to perform the calibration is fully automatic and it provides accurate results.
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