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Refractometers for Food and Beverage Applications
RFM700-M Series refractometers are robust, low cost, fully automatic instruments that are ideally suited to the food, sugar and beverage industries but can also be used in many other non-food applications where temperature control is not required, for example measuring sugar (°Brix) concentrations in the food processing industry.
RFM700-M Refractometer classic red displayThere are three models to choose from depending on the application requirement and the budget available. The entry level instrument is the RFM712, which is especially suited for use in fruit processing plants such as in the wine, tomato and sugar industry.
Automatic Temperature Control
Sample temperature stability is also important. The RFM700-M Series allows the input of a delay time that forces the operator to wait for countdown before reading, ensuring reliable results every time.
Date, time, batch & operator identifiers can be entered via the alphanumeric keypad or in the case of batch numbers, via a barcode reader connected to the instruments USB port. Over 8000 results can be saved for download. The instrument can also be connected to a printer or laboratory PC, with results being output in printed or CSV formats or as a Secure PDF.
Another new feature for the RFM700-M Series is the instruments ability to sense a sample being placed on the prism so that it can make a measurement “hands-free.” Push-button or continuous read functions are also selectable.
Key Features
Auto-sense "hands free" measurement
Classic red or new full colour M-Model display
Simple audit trail (date, time & batch no.)
Alpha-numeric keypad for easy data entry
USB connectivity
Flat sapphire prism surface for easy-cleaning
Simple operaration for factory environments
Selectable read type: Continual, single, intelligent auto-sense
Software Features
Easy to use Installation Wizard
7 Menu languages
Brix and R.I. scale as standard
Multiple user defined scales
On-board clock
Batch and Quality numbers
Supervisor PIN
Specifications
RFM712-M
RFM732-M
RFM742-M
Scales Refractive Index Sugar (°Brix) User-defined
1.32 – 1.42 0-50 100
1.32 – 1.54 0-100 100
1.32 – 1.54 0-100 100
Resolution Refractive Index Sugar (°Brix)
0.0001 0.1
0.0001 0.1
0.00001 0.01
Accuracy Refractive Index Sugar (°Brix)
±0.0001 ±0.1
±0.0001 ±0.1
±0.00005 ±0.04
Precision (Reproducibility) Refractive Index Sugar (°Brix)
± 0.00005 ± 0.05
± 0.00005 ± 0.05
± 0.00001 ± 0.01
User Scale Library
20+ pre-programmed scales including HFCS (3), Sugar (4), Honey, NaCl, Wine Must (5), Urine SG (3), Glycol (2), Urea, FSII and more; plus customer programmable user scales via PC.
Reading Time
Minimum 4 seconds (optional time delay)
Temperature Control
None – Automatic Temperature Compensation (ATC)
Temperature Compensation
ICUMSA, AG, User, none
Sample Temperature Range
0-100 °C
Measuring Temperature Range
5-40 °C
Temperature Sensor Accuracy
± 0.03 °C
Sample Temperature Stability
± 0.05 °C
Temperature Compensation Sucrose (°Brix) AG Fluids User-defined
5 – 80 °C 5 – 40 °C Simple coefficient (units/ °C) or polynomial function
Another new feature for the RFM700-M Series is the instruments ability to sense a sample being placed on the prism so that it can make a measurement “hands-free.” Push-button or continuous read functions are also selectable.
