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Rayleigh Instruments RI-D140 Multifunction Energy Meters - MID Certified


  • Four module DIN rail mounted
  • Energy pulse LED
  • -/1A or -/5A current transformer input (MID certification only on 5A)
  • Single phase or three phase network compatible
  • Programmable voltage and current transformer ratio
  • True RMS measurement
  • MID B+D Certified (SGS Cert. No. : 0120/SGS0276)
  • High definition white backlit LCD display
  • Simple programming and operation
  • Modbus communication
  • Auto and manual page scrolling


The RI-D140 is a MID approved DIN rail mounted multifunction energy meter. Suitable for monitoring energy consumption and many other electrical parameters in industrial and commercial applications. These meters may be used in single or three phase four wire systems.

A high efficiency white backlit LCD display provides a clear indication of the measured value in all light conditions. Push-buttons on the front of the meter allow the user access to the display page required.

Its MID status means the RI-D140 has been tested for the build quality and accuracy of the meter and is certified for billing purposes.

The meter is currently available in one version:
  • With RS485 Modbus communication (Mbus version coming soon).

The unit is housed in a compact four module width housing suitable for 35mm DIN rail mounting.

Displayed Parameters
  • Voltage – L-L, L-N and average
  • Current – Per phase and average
  • Power Factor – per phase and average
  • Frequency
  • Power – Active, Reactive and Apparent (per phase and total)
  • Power Min./Max. demand – Active and apparent power.
  • Energy – Active, reactive and apparent (per phase and total)
  • Import and export energy – Active, Reactive and Apparent (per phase and total)

Additional Information

Manufacturer Rayleigh Instruments
Product Name / Options Price (ex VAT)
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