Electronic Meter Utility Project
Electronic meters compared to traditional mechanical solutions in use offer several additional advantages to the utility market. The metering utilities that can be replaced are gas, water and electricity. The advantages are:
• Better reliability
• Better accuracy
• Ease of calibration
• Anti-tampering protection
• Automated meter reading
• Security
• Advanced billing
Of particular importance to the utility company is the tampering of meters. It is estimated that millions of dollars are lost due to the tampering of these meters. Among the tampering are temporary meter disconnect for a period of time before the readings are taken, the use of permanent magnets to saturate current transformers and insertion of mechanical devices to slow down the mechanical turning of the disc.
Simple block diagrams of the gas and electricity metering project are as shown below.
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