We offer a wide range of stationary test equipment for electrical energy meters. All test results are traceable to international standards. Together with our software platform EMS5 all equipments can be controlled with the same user interface. This minimizes the operator training and guarantees trustable quality assurance procedures. We have also specialised equipment for accelerated life tests.
Beside of operating with a personal computer the test benches of the CL1000 and CL3000 series can also be operated in manual mode with a tablet.
Meter researchers and developers like to use this feature.
All stationary test equipment is extremely customised. The components are manufactured by ourself. The key elements are
- Reference standard
- voltage amplifiers (30 V to 480 V phase-neutral)
- current amplifiers (1 mA to 120 A)
- waveform controller for fundamental waves with harmonics up to the 20th
- meter rack
Single phase bench CL1000
The number of test position is variable, maximum for laboratories is 48 positions.
For meter manufacturers we also deliver 60 position systems.
Single phase test benches can come with or without multi secondary voltage transformer (MSVT)
Accuracy class 0.05
By international standards it’s required to verify the meter performance under different conditions. The CL3000E tests the meter with an automatic positioning system in all 3 axes.
A high voltage test is required during production and acceptance inspection at the utilities.
In this example we are testing 24 meters in parallel.
The CL309 is a stand-alone source. In some cases it’s necessary to have a stabil and accurate power generation beside from meter test.
This source can also be used as a replacement for existing test benches. We are providing a interface description, so you can run the source with your own software.
DC meter test
Metering on the DC side is becoming more interesting since we have to deal with large photovoltaic installations and with DC car-charging. We can offer complete DC accuracy test solutions and components for your own applications.
Full automated meter testing
If you have to test more than 20,000 meters per day we can also talk about full automatic testing lines. Our largest installation has 1,200 test positions.
We are the specialists for energy meter tests. If you have questions or a specific demand, please contact us. Our project team will be very happy to find together with you the best test solution.
We also set up complete meter factories and meter test laboratories.
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Editor's note: This article was originally published in October 2019 and has been updated for comprehensiveness.