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Energy Meter, MCP3911/PIC18F85K90, Anti Tamper Measurement

Date/Lot Code

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Manufacturer Part No:
Newark Part No.:
Technical Datasheet:
ARD00385   Datasheet
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PIC18F85K90, MCP3911

1x Energy Meter IC18F85K90 & MCP3911, 1x Mini-USB Cable, User Guide


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Technical Documents (4)

CAD Downloads


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Product Overview

ARD00385 is a MCP3911 and PIC18F85K90 single phase anti tamper energy meter. It’s a fully functional single phase meter with enhanced capabilities, such as battery backup, RTC and anti tamper features. The two current channels are measured with the MCP3911 device and the voltage channel is measured with the 12bit SAR ADC integrated in the microcontroller. This design has two sensors for the current measurements: a current transformer and a shunt. The PIC18F85K90 microcontroller directly drives the LCD and communicates via UART with the MCP2200, offering an isolated USB connection for meter calibration and access to the device power calculations. The system calculates active and reactive energy, active, reactive and apparent power, power factor, RMS current, RMS voltage and the line frequency. The Microchip Energy Meter Software is used to calibrate and monitor the system.
  • Rated 5(60)A 220V 3200 imp/KWh IEC62053-22 Class 0.5 energy meter
  • Anti tamper monitoring
  • Energy meter software is used to calibrate and monitor the system
  • Calibration can be done in closed loop or open loop
  • Low cost capacitive based power supply design


Metering, Power Management, Automotive, Sensing & Instrumentation, Medical


MCP3911 and PIC18F85K90 single phase anti tamper energy meter, Mini USB cable.

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