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Influence of Fast Load Current Variations

The load current can vary frequently with high amplitude. The test conditions in the older versions of the IEC62052-11 have all be static…

Repeatability Test for Energy Meters

Another new test introduced by the IEC62052-11 Edition 2 is the repeatability test.

Influence of Self Heating

We need to figure out whether the occurring internal heat is causing a temporary error drift above the allowed limits for variation.

No Load Test for Energy Meters 2020

With publishing of the Edition 2 of IEC62052-11 the minimum run time calculation formula has changed.

Odd Harmonics in the Current Circuit

Two more tests for odd harmonics have been added to IEC 62052-11 edition 2.

Which Meter Constant should a Meter have?

Higher constant means faster testing. The most time-savings are coming from the no-load test and the starting test.

The Energy Meter Register Resolution

The main purpose of an electronic energy meter is the accurate metering of the customer consumption. The meter has registers for storing the various consumption values

Short Interruption and Dip Tests IEC62052-11

These tests are performed to make sure the meter is resistant to dips and short interruptions that frequently happen on the mains power supply.

The Energy Meter Tamper Event Log

This segment of the event logs is capturing all possible meter manipulations and abnormal environmental conditions.

The Energy Meter Standard Event Log

All extraordinary things happen inside or close to an electronic meter are called "events". An event has at least one time record (date & time of occurrence). Some events can...

Meter housings and fixed dimensions

Recently I stumble over a request for a fixed size of meter enclosures. Tolerances have also been given with +/- 2 mm, together with features like auxiliary circuits and exchangeable...

Our outstanding customer support

With all the challenges we face during the COVID-19 pandemic, one thing always remains the same. We have an excellent customer support.