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Rinstrum R300 Digital Indicator

The Rinstrum R300 Digital Indicator series comes in three models and are ideal for use in mobile applications such as forklifts, platforms, inside truck cabs and crane scales, OEM applications. The R300 Digital Indicator series unit's software is run from flash memory and can be upgraded in the field using the opto-link connection.
R310 model: Ideal for use in platform scales and simple weighing applications where the display of weight is the primary requirement. Powering options include: 12-24VDC or 4 AA batteries.
R320 model: Combination of features, compact housing and powering options make it suitable for basic weighing on a scale through to OEM applications.
R323 model: Flush mount stainless steel digital weighing indicator. This unit can be supplied in an IP65 stainless steel housing for desk/wall mounting.


  • Programmable function key configured for any one of the built-in functions (Counting, Manual Hold, Peak Hold, Live Weight Totalising)
  • Configurable printing combined with the clock calendar allow for traceable dockets to be printed.
  • Built in RS232 communications port is 15kV protected.
  • Two Isolated setpoint outputs
  • Wide DC operating range (7-24V) ideal for onboard weighing applications. (R323 only)
  • High side driver up to 300mA, allowing for example, direct connection to PLCs and for external actuators to be driven directly
  • Basic weight-control or level-control functions.


  • Weighing systems / Multiple Indicator
  • Onboard weighing: forklifts, platforms, inside truck cabs and crane scales
  • OEM applications


  • ABS desk mount
  • ABS waterproof boot (IP65)
  • Stainless steel desk/wall mount (R323)


Performance R310 R320 R323
Resolution Up to 30,000 divisions, minimum of 0.25μV/division, 20 updates/second
Zero Cancellation +/- 2.0mV/V
Span Adjustment 0.1mV/V to 3.0mV/V full scale   
Excitation 5 volts for up to 4 x 350 or 8 x 700 ohm load cells (4-wire or 6-wire plus shield)
Maximum total load cell resistance: 3,500 ohms   
A/D Type 24bit Sigma Delta with 8,388,608 internal counts   
Operating Environment Temperature Temperature: –10 to +50˚C ambient
Humidity: <90% non-condensing
Storage: –20 to +50˚C ambient
IP65 when panel mounted or with stainless steel or ABS boot   
Display LED Backlit LCD with six 20mm high digits with units and annunciators   
Setup & Calibration   Full digital with visual prompting in plain messages 
Digital Filter Sliding window average from 0.1 to 4.0 seconds   
Zero Range    Adjustable from +/-2% to +/-20% of full capacity
Standard Power Input    7 to 24VDC, 4.8, 9.6,12 and 24V batteries (2.5 VA max)
ON/OFF key with memory feature
Variants: AC AC Plug pack: 110/240VAC 50/60Hz in 12VDC 1.5A out   AC Power supply:
110/240VAC 50/60Hz in
12VDC 1.2A out 
Variants: Battery 4 x AA batteries (Alkaline or rechargeable NiMH, NiCad, etc.)
2.5Ah 12V NiMH rechargeable battery pack with IP65 boot  
12V battery pack
(rechargeable NiMH) 
Optical Data Communications    Magnetically coupled infra-red communications
Conversion cables available for RS-232 or USB
Correction   Ten point linearity correction 
Serial Outputs  -   RS-232 automatic transmit, network or printer outputs.
Transmission rate: 2400, 4800 or 9600 baud
Assignable Function Key  -  1
Input/Outputs - 2 Outputs - isolated transistor drive outputs (300mA total at
Battery Backed Clock Calendar -   Battery life 10 years minimum
Functions  -   Unit switching, counting, manual hold, peak hold, live weight
and totalising. High Res, Auto Tare, Show Setpoints
Setpoints -   2
Remote Input (shared with comms port)  -   1
Case Materials   ABS Housing
ABS, Silicon Rubber, Nylon, Acrylic (no halogen used)
 Stainless Steel Flush Mount
Packing Weights   Basic Indicator: 0.34kg Basic Indicator: 0.49kg 

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