Multichannel Modbus Meter – Multi-Gem by J&D

Product Description

The Multi-Gem is an 18-port multichannel Modbus meter (RS485 & TCP).

It is designed for commercial and residential use.  Its low cost will save you money without losing functionality.

The Multi-Gem is a 0.5 S Class accuracy multichannel Modbus meter conforming to IEC62053-22. Built by J&D, it can be used in commercial settings as an 8-channel meter with a 3P3W configuration or as a 6-channel meter with a 3P4W configuration.  With 1P2W configurations you can monitor up to 18 channels.  It comes included with an external temperature sensor.

When shopping for CTs to use with this meter, look for AC Amp Input, AC Voltage Output.  These CTs carry this symbol on our website:

 AC Amp In, AC Voltage Out



  • 0.5 S Class accuracy meter conforming to IEC62053-22
  • 18 Channels
  • Modbus RTU and Modbus TCP support
  • External Temperature sensor included
  • 3P3W, 3P4W and 1P2W Support
  • Measures:
    • Phase voltage
    • Line voltage & current
    • Frequency
    • Power Factor
    • Unbalance
    • Active/Reactive/Apparent Power
    • Active/Reactive/Apparent Energy
    • Total Harmonics Distortion
  • Input
    • 50-690 V~ 3~ L-L, Max. 6000 A, 3~, CAT III
    • 50/60 Hz

Data Sheets

Reader Multi-Gem Data Sheet
Reader Multi-Gem Manual


rohs compliant


ISO 9001

Additional information

Weight4 lbs
Dimensions11 x 8 x 4 in