Month: December 2019

October 30, 2023

Posted on 31 Dec, 201930 Oct, 2023
The Last Gasp Outage Notification

Smart meters can generate a Push message in case of power fail. This event is called Last Gasp.
October 19, 2023

Posted on 27 Dec, 201919 Oct, 2023
Practical Use of Load Profiles

Electronic energy meters can save internally a lot of data. When this data are saved periodically with time stamp, we talk about a load profile.
December 19, 2023

Posted on 19 Dec, 201919 Dec, 2023
The TOU Tariff Structure

TOU stands for time of use. It's getting popular together with smart energy meters and advanced metering infrastructure (AMI).
December 29, 2023

Posted on 17 Dec, 201929 Dec, 2023
Energy Meters and Tariffs

Electronic energy meters are recording the actual power over a certain time. The microprocessor inside of these meters allows all kind of additional calculations.
December 29, 2023

Posted on 16 Dec, 201929 Dec, 2023
Sealing of Energy Meters

Electrical Energy meters are sealed to detect possible manipulations. The utility field workers check the meter installations regular.
October 5, 2023

Posted on 16 Dec, 201905 Oct, 2023
Optical Communication Head CL4S

The optical probe CL4S is used for local communication with electrical energy meters. It's compliant with the IEC 62056-21 . The communication is galvanically isolated.
January 5, 2024

Posted on 12 Dec, 201905 Jan, 2024
Sealing of Optical Ports

The optical port is for local communication with energy meters. With suitable software and an optical reading head you can access to the meter for reading and writing certain parameters.
January 4, 2024

Posted on 05 Dec, 201904 Jan, 2024
Principle for Accuracy Testing of Energy Meters

Now meter testing is much more comfortable. Actually you only need to put the meters on the rack. For testing big quantities of meters a robot can also do the job.
But what happens inside?
March 4, 2024

Posted on 04 Dec, 201904 Mar, 2024
Three Phase Meter CL730S23

The CL730S23 is a static three-phase revenue meter designed for residential and small commercial consumers.
January 6, 2024

Posted on 03 Dec, 201906 Jan, 2024
Basics of Energy Meter Accuracy Tests

In the past without any electronics a accuracy test was really challenging. You needed a voltage/current source with a high stability, calibrated wattmeters and a calibrated stop-watch.
January 7, 2024

Posted on 02 Dec, 201907 Jan, 2024
How does a scanning head work?

Each energy meter used for billing must have a test output. An optical indication is mandatory. Beside this the meter can also have electrical test outputs.