Tampering
Facts and Figures on meter tampering:
- USA – 4% of electricity illegally abstracted
- India – 10%
- Some Latin American countries – up to 20%
Excellent 2009 article in Electronics weekly, explaining how different types and sizes of electricity meters are vulnerable to different types of tamper attack:
“Tamper-resistant smart power meters rely on isolated Sensors” – by Margert Conner
Types of tamper sensors that can be fitted to meters:
- terminal cover open
- meter cover open
- magnetic field
- earth leakage
