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Expandable 6 Channel ESP32 Energy Meter Add-on Board

$54.99$59.99

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SKU: EM-6chan-addon Category:

Description

The Expandable 6 Channel ESP32 Energy Meter can read 6 current channels and 2 voltage channels at a time. Much like our Split Single Phase Energy Meter, the 6 channel uses current transformers and an AC transformer to measure voltage and power the board(s)/ESP32.

This listing is for the Add-on board only – a main board and an ESP32 (see options below) is required to use this board.

Up to 6 of these add-on boards can be stacked on top of the main board to allow you to monitor up to 42 current channels in 16-bit resolution, in real time, all at once!

This product is currently in the prototype stage, so components may change.

Features:

  • Plugs in to the 6 Channel Energy Meter Main Board
  • Samples 6 current channels & optionally 1 additional voltage channel
  • Add-on boards (up to 6) can expand the meter up to 42 current channels & 8 voltage channels
  • Uses 2 Microchip ATM90E32AS – 3 current channels & 1 voltage per IC
  • For each channel the following can also be calculated by the meter:
    • Active Power
    • Reactive Power
    • Apparent Power
    • Power Factor
    • Frequency
    • Temperature
  • Uses standard current transformer clamps to sample current
  • 22ohm burden resistors per current channel
  • Includes built-in buck converter to power ESP32 & electronics
  • 2 IRQ interrupts, and 1 Warning outputs
  • Zero crossing outputs
  • Energy Pulse outputs per IC (4 per IC x2)
  • SPI Interface
  • Measurement Error: 0.1%
  • Dynamic Range: 6000:1
  • Gain Selection: Up to 4x
  • Voltage Reference Drift Typical (ppm/°C): 6
  • ADC Resolution (bits): 16

What you’ll need:

Additional information

Weight 2 oz
Dimensions 4 × 4 × 1 in
CT Connectors

3.5mm, Quick Connect Screw

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