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Expandable 6 Channel ESP32 Energy Meter Main Board

$64.99$74.99

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SKU: EM-6chan Category: Tag:

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. The main board includes a buck converter to power the electronics and ESP32 dev board, which plugs directly into the board.

Up to 6 add-on boards can stack 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.

See the latest hardware and software documentation in the Github repository.

Backorder Status – 11/18/19 – Orders placed today will ship in less than 2 weeks.

Features:

  • Samples 6 current channels & 1 voltage channel (expandable to 2 voltage)
  • 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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