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K3000 / Poly Phase Direct connected Smart Meter Technical Overview

K3000 is the first member of K3x00 poly-phase meters which has been designed for residential and small commercial energy consumers. This meter contains a communication module for 2-way data transfer and a high quality relay for load control purposes.
High Stability, high accuracy and reliable performance are important features of this meter.
The meter conforms to the relevant specifications of IEC and DLMS standards.

Specifications

Configuration
Configuration and read-out can be done locally or remotely through different interfaces of K3000.
Readout during Power Outage
By pushing the display button the meter is able to display all billing data even if the main power is absent. Furthermore all register data can be readout by the optical interface.
Anti Tampering Features
The meter supports a lot of anti tampering features like terminal cover removal detection, inverse current detection and measurement, partial & complete earthing detection, magnetic field detection. Ultrasonic welding of main cover and base enclosure helps for a more robust manipulation prevention. Stored programs and registers have full tamper and fraud protection. System and hardware designing ensures that energy consumption data is unchangeable. Meter detects terminal cover removal in power cut situation and this capability have no effect on RTC battery life time.
High Accuracy RTC
The meter support hardware RTC function, the RTC accuracy is 0.5s/day (IEC61038).
Display And Backlight
K3000 integrates infrared port. Its speed can support 9600bps; Optional RS485 interface is another port for this meter to provide AMI ready capability if decided. A general purpose interface is available to communicate with PLC-SFSK, GPRS or any kind of communication module.
Communication Interface
For load control purposes a 100A relay has been integrated in this meter. Relay can be connected/disconnected by a remote or local command or according to a predefined condition.

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