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RFM800 Refractometers
Refractometers with Peltier Temperature Control for Automated Systems

RFM800 Series of Refractometers

In January 2009, the RFM800 series of refractometers was replaced by the new RFM900 series. However, until March 2009, the instruments may be purchased for use in automated flow through systems and funnel applications. 

For full technical specifications, please download the RFM800 PDF literature by clicking here.

For flow cell configurations, please download the RFM800 flowcell PDF literature by clicking here.

Measurement Specifications

RFM830 RFM840 RFM860 RFM870 Scales RI Sugar (°Brix) User-defined (100 scales – configurable) 1.32 – 1.58 0-100 yes 1.32 – 1.58 0-100 yes 1.30 – 1.70 0-100 yes 1.30 – 1.70 0-100 yes Resolution   RI   Sugar (°Brix) 0.0001 0.1 0.00001 0.01 0.0001 0.1 0.00001 0.01 Accuracy   RI   Sugar (°Brix) ±0.0001 ±0.1 ±0.00002 ±0.02 ±0.0001 ±0.1 ±0.00002 ±0.02 Presser Type Polyacetyl Polyacetyl PEEK PEEK User Defined Scales %FSII, Zeiss, Oechsle (CH) & (D), Babo (KMW), Baumé, Probable Alcohol (A.P.), Sodium Chloride (NaCl), HFCS (42, 55 & 90%), Butyro amongst others from instrument library OR custom user scales by push button entry or via PC program Reading Time(s) Minimum 4 seconds Ambient Temperature Range 0 – 40 °C Measuring Temperature Range   Lower limit   Upper limit 0 °C or 10 °C below ambient whichever is the greater approximately 100 °C Temperature Sensor Accuracy ±0.03 °C Temperature Stability ±0.05 °C Automatic Temperature Compensation   Sucrose (Brix)   User-defined 5 – 80 °C Simple coefficient (units/°C) or polynomial function with offset Temperature Stability Checks None/delay time/repeatability/Smart (independently selectable by method) Ambient Humidity Range < 80% RH

Physical Specifications

Prism Artificial Sapphire Prism Dish 316 Stainless Steel / PEEK Prism Seal Kalrez® Interfaces 1 Parallel (printer), 2 x Serial (RS232) Sample Illumination Light Emitting Diode – (life 100,000 hours +) Temperature Control Peltier

Order Codes

26-30 RFM830 including external power supply (100-240V~, 50-60Hz), spare filters (4 Pack) and instructions 26-40 RFM840 including external power supply (100-240V~, 50-60Hz), spare filters (4 Pack) and instructions 26-60 RFM860 including external power supply (100-240V~, 50-60Hz), spare filters (4 Pack) and instructions 26-70 RFM870 including external power supply (100-240V~, 50-60Hz), spare filters (4 Pack) and instructions 55-80 Barcode Reader (230V~, 50Hz) 55-81 Barcode Reader (110V~, 60Hz) 26-292 Dust Filter (Pack of 20) 26-155 Switch Membrane Anti-splash Cover 55-250 Waterproof Power Supply to IP66 (100-240V~, 50-60Hz) 26-80 Micro Flowcell (vol. 0.6ml) 26-81 Macro Flowcell (vol. 1.2ml) 28-82 Funnel Flowcell (vol. 1.2ml & 30ml flush at 30 °Brix max.) 26-451 Validation Documentation (only) Warranty 24-months