An energy meter has certain specifications, including maximum current. This is the base for all kind of meter type tests.
If you are using STS prepayment energy meters you might remember that updates are required for the key management centre (KMC), the security modules and the vending software.
The IEC 62052-11 Edition 2 has introduced some changes for the meter marking and documentation. Today we cover the mandatory content of the nameplate for IEC meters.
A user interface unit (UIU) is a remote access terminal for STS prepayment meters. The device is placed inside the users premisses while the energy meter is mounted outside and mostly not direct accessible.
Will an electronic energy meter measure accurate when I invert phase and neutral during installation? This question came up recently.
The IEC 62052-11 Ed.2 comes with a lot of changes for meter type testing. Another new introduced test for electromagnetic compatibility (EMC) is the ring wave immunity test.
A sudden shutdown of 150,000 smart meters happened recently in the Uttar Pradesh province, India.
Sometimes it happens that you touch the door knob and you get an electrical shock. It’s not dramatically for your body but an unpleasant feeling.
In your utility laboratory and for your on-site workers you take of course care for a proper training on the job and especially for personal safety.
Meter manufacturers, utility laboratories and type testing institutes have planning security until year 2025.