Dual 120VAC Mains Voltage Monitor with IoT Interface

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₹13,069.00 *

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  • NCD-PR32-30
  • PR32-30
Monitor energy using this 2-Channel 120V AC high-accuracy  mains voltage monitor... more
Product information "Dual 120VAC Mains Voltage Monitor with IoT Interface"

Monitor energy using this 2-Channel 120V AC high-accuracy  mains voltage monitor controller.  Equipped with a IoT interface, this controller is compatible with many of today’s IoT communication solutions, including Arduino, Particle Photon, Electron, WiPy, Bluz, ESP8266, and many more. This AC main voltage monitor can be used to detect is there is any AC mains voltage is present, it can be used to detect phase voltage, power failure. This AC mains voltage monitor controller can be used with wifi, cellular, USB, ethernet, RS485, RS232, wireless and much more. This AC mains voltage monitor can be used to log the AC mains voltage values and to analyze any kinds of peak voltage, faults and failures. This AC voltage monitor controller can be used as a AC line voltage meter.

This 120V AC mains voltage monitor controller handles all Voltage calculations for energy monitoring applications.  The On board controller takes thousands samples and calculates real time Vrms. Use our Particle library to communicate energy monitoring data to the Particle cloud or adapt our library for your specific application using the Arduino wire language.

This device provides an ideal energy monitoring solution for most industrial and commercial applications at a low cost with unmatched accuracy.

This controller includes 2 off-board Voltage sensors (transformers) for measuring 120VAC mains voltage with a typical accuracy exceeding 98%.

This controller uses I2C communications to talk to your favorite IoT communications module.  Since I2C only requires 2 communication lines, all other GPIO are free for use in other applications.


This controller includes 120VAC Voltage sensors (US Version AC Wall Plug) with 1.5 Meter wires (around 5 feet), UL approved.

I2C Expansion:

This controller includes an I2C expansion port and I2C cable so you can easily expand into other current monitoring controllers, sensors, relay controllers, FET drivers, and much more.

What is the NCD IoT Interface?

The NCD IoT Interface provides users with a means of changing or upgrading the IoT communications technology as new technologies emerge.  The NCD IoT Interface is directly compatible with Particle Photon for WiFi communications, Electron for Cellular Communications, Bluz for Bluetooth.  Optionally, adapters may be installed to provide a direct interface to Arduino Nano, Micro, USB, PyCom WyPy, Onion Omega, Raspberry Pi, and much more.  The NCD IoT interface allows you to re-use your hardware so it never becomes obsolete!  Based on I2C communications, the NCD IoT Interface uses only 2 GPIO lines of your microcontroller, freeing the rest of your CPU for other tasks.

Unlimited I2C Expansion

Based on our plug-and-play I2C interface standard, all NCD IoT devices are equipped with a I2C expansion port, making it easy to expand to a wide variety of sensors, current monitors, relay controllers, PWM controllers, and much more!  We are always designing new expansions for our plug-and-play I2C framework.  We are dedicated to building a product line of interconnected devices to simplify all forms of automation.  Re-use or upgrade your hardware in seconds by selecting the modules that best fit your needs, and chaining them together using the included I2C expansion cables!


  • 2-Channel 120V AC Mains Voltage Measurement for IoT Energy Monitoring
  • AC line Voltage Monitoring for IoT Cloud Applications
  • Greater than 98% Accuracy
  • Compatible with Bluz Bluetooth Low Energy (BLE) Communications
  • Wireless Voltage Monitoring Using Particle Electron or Photon
  • On-Board Processor Manages all Measurement Conversions
  • I2C Expansion Port Offers Extensive Expansion Options
  • Adaptable to Raspberry Pi, Arduino, and Other Platforms
  • Includes 2 Voltage Inputs and Transformers
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