R320 weighing indicator

Weighing Indicator R320

Key Highlights & Features

  • Trade Approved 4,000d@0.8µV/d
  • Configurable printing
  • Built in RS232 comms port
  • Two isolated outputs
  • AC, DC and battery options


Product Description

The weighing indicator R320 series of indicators builds on over 15 years of design experience to create a series of cost effective reliable products that are ideal for use in mobile applications such as forklifts, platforms, inside truck cabs, crane scales and OEM applications. The compact housing and versatile power supply options make them suitable for basic weighing through to OEM applications. They are ideal for basic weight-control or level-control functions.

Available in ABS and stainless steel housings:

  • Weighing indicator R320 IP65 ABS housing
  • Weighing indicator R323 IP65 stainless steel housing

Each comes in a panel mount variant, with options for desk, wall and pole mounting. Programmable function key configured for any one of the built-in functions (Unit switching. Counting, Manual Hold, Peak Hold, Live Weight, Totalising) Configurable printing combined with the clock calendar allow for traceable dockets to be printed.

  • Weighing Indicator R32o Built in RS232 communications port is 15kV static protected.
  • Two Isolated set point outputs – high side driver up to 300mA, allowing direct connection to PLCs and for external actuators to be driven directly
  • Wide DC operation (7-24V) to suit a variety of onboard OEM applications. Eliminates the need for third party power supplies saving on system complexity and cost.
  • Long life rechargeable battery options ideal for mobile installations allowing for operator flexibility.
  • Opto-link magnetically coupled link on front fascia for easy access in situ for updates/setup of the indicator, saving the installer time and effort.
  • IP65 rated housings: Dust and water tight, increasing reliability and indicator life time.
  • Trade approved in Australia, Europe and USA. Products are export ready with approved componentry.
weighing Indicator R320 003
Weighing Indicator R320 004



4,000d @ 0.8?V/d
NMI (S-420),OIML R76, NTEP 08-072
C-Tick, CE & FCC
Medical: EN 60601-1-2: 2007


Display Type
Digit Size
Power Switch
Pack Weight
Function Key

LCD display with LED backlight
20 mm
6 key Silicon keypad
Front panel with memory
IP65 ABS Plastic
160(W) x 77(H) x 30(D) mm
0.34 kg
4 Fixed, 1 Programmable



4.8-24 VDC
Plug pack
4 x AA Lead Acid or NiMH (Acc)

Load Cell


4×350? (Max 3.5k?)
30,000d @ 0.25 ?V/d
10 Points (K302 only)
K302 Single – K305 Dual


Input / Output
Set Points

RS232 Serial Output
1 Input/2 Outputs


Counting Live Weighing
Configurable print format
Unit Switching Totalizing
Peak & Hold
2 Isolated High Side Driver Outputs
Ring networking up to 31 units

Smart Weighing Indicator R320


Ring networking

  • Connect up to 31 indicators in a ring network
  • Save on cabling
  • Single interface back to the master PC

Product Downloads

The following files are available for download for the weighing indicator R320/R323. Ensure you select the correct documentation for your unit’s software version. Check back regularly for software and other updates.

To download files, please click on a filename below.

R300 Brochure R300-736-101 Two Set-Point Control