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numeric keypad

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RF 2 Phase 3 Wire Energy Meter: numerical Keypad on the meter body or on a separate unit called CIU (Client Interface Unit) for the client to punch in a series of 20 digit code to charge their own meter. What is the advantage of ...

Split Prepayment Meter: DONSUN Split Prepayment Meter is a type of energy meter that based on universally recognized STS standard. Normally, there will be a numerical Keypad on a separate unit called CIU (Client Interface ...

STS Prepayment Energy Meter: STS prepayment Energy Meter is a type of energy meter that based on universally recognized STS standard. Normally, there will be a numerical Keypad on the meter body or on a separate unit called CIU ...

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RF 2 Phase 3 Wire Energy Meter