1. Transformer operated metering 10  Distribution transformer metering
  2. Smart meter – electricity   11.   Direct connected meters
  3. Smart prepayment – gas    12. Digital panel meter
  4. Respiratory aid Device      13.  Data acquisition system
  5. Position indicators            14  Maximum demand controller
  6. Modem
  7. Heat meter
  8. Multi-function panel meters
  9. Heat meter
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