Omni Instruments
contact icon+44 (0) 1382 443000
+44 (0) 845 9000 601

Contact our technical sales team now to discuss your requirements

help icon
MY BASKET basket arrow


My Cart

You have no items in your shopping cart.

Click basket to edit.


Latest added news blog
MSR175 Shock Transportation Data Logger
Kenny Laidlaw
Oct 01,2018
The MSR175 shock transportation data logger is the newest miniature logger from MSR.  The MSR175 more >
HRDi Charge Regulator
  • HRDi Charge Regulator
  • HRDi Remote Display

HRDi Charge Controller

Quick Overview

The HRDi Charge Controller is the latest wind and solar charge regulator featuring a new digital display and 160W solar panel input in a dual charging system. The HRDi has evolved from and improved on the successful HRDX controller. It provides Charge Control and Power Splitting for off-grid system with two independent batteries. The contemporary design meets the needs of increasing power demands and features a useful digital display that shows the amount of generated free power, along with the battery state of charge. It is designed for use with the Rutland 504, 914i or FM910-4 Windchargers and up to 160W of solar panels. There is also a remote display option to allow for a more convenient placement of the display.
View Options


FeaturesHRDI Controller Diagram

  • Clear alpha-numeric digital LCD screen with user display options
  • Connectable to up to two independent battery banks
  • Provides charging to the lowest battery and show each ones voltage
  • Push button activated and timer controlled back light
  • Auto configuration to 12 or 24 V supply
  • Latest technology micro controller based system shuts wind charger down when batteries are full
  • Wall mounted modern moulded structure with easy access connection ports
  • Manual shutdown switch
  • Bulk and float phase charge control indicated on LCD
  • Temperature compensation of charge voltage using internal sensor or external sensor also supplied
  • Optional remote display can be added via dedicated port
  • Accepts up to 6 mm² cable (SWG 11 or AWG 9)
  • Designed for use with Rutland 504, 914i or FM910-4 plus up to 160W of solar panels


HRDi Remote DisplayHRDi Remote Display

View the display information of the HRDi controller at a more convenient location such as the instrument panel or just in a more accessible location

  • Recess Panel Mount for a flush finish on your consol or surface mount
  • Reprogrammable features
  • 3m connecting cable supplied
  • Can be used to stall Windcharger for your convenience



  • Surface mount : 125 x 75 x 50mm  Weight : 203g
  • Recess Mount : 125 x 75 x 9mm  Weight :132g
  • Recess Mount Cut Out : 100 x 62

Availability: Stock Item


Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

HRDi voltage controller for the FM910-4 wind charger, 12/24V. Provides overvoltage protection and will slow turbine when batteries are full. Full LED display reading charge currents and battery voltages over up to 2 separate battery banks.
View FileDatasheet
   Size: (244.38 KB)
or call us for a quote
HRDi Remote Display. Recess Panel, Flush or Surface Mounting options. Will display all information from the HRDi charge regulator. Dimensions: Surface mount : 125 x 75 x 50mm Weight : 203g, Recess Mount : 125 x 75 x 9mm Weight :132g, Recess Mount Cut Out : 100 x 62
or call us for a quote