RFM340-M Digital Refractometer

Price$13,950.45 (US Only)


In Stock 0 - Available for Backorder

Digital Refractometer

  • Overview

    Digital Refractometer with Peltier Temperature Control

    The RFM330-M is a digital refractometer with 3-decimal / 0-100 Brix (1.58 RI) scales and Peltier control. Perfect for measurement and control in demanding food, beverage, chemical, and industrial applications. The RFM340-M is capable of measuring non-homogenous samples like fruit juice with pulp.

    Key Features:

    • Tactile & robust keypad
    • Flat prism surface for easy cleaning
    • Wide beam scan for non-homogenous samples
    • Three decimal place Brix precision* (6 d.p. RI)

    Ergonomically Designed

    The instrument’s case is designed to be easy to use, clean, and move. With the sloping shape of the casing, spills are directed and captured easily.  

    With a durable membrane made from scratch-resistant polyester, the RFM300-M offers a more tactile approach, allowing users to navigate menus at the touch of a button. The large buttons facilitate operation on the instrument, making navigation and operation of the instrument streamlined and easy to use.

    RFID Technology

    RFID swipe technology comes standard on all Bellingham + Stanley instruments, which provides clearance and a running log of work functions. This is useful for all FDA-regulated environments operating in accordance with 21 CFR Part 11.

  • Specifications
    Refractive Index  1.32 – 1.58 
    Sugar (°Brix)  0-100 
    User-defined   100 
    Refractive Index  0.0001 / 0.00001 (selectable up to 6 d.p. ) 
    Sugar (°Brix) 
    0.1 / 0.01 (selectable up to 3 d.p. )
    Refractive Index  ±0.00002 (1.32 – 1.38 RI)
    ±0.00004 (1.38 – 1.58 RI) 
    Sugar (°Brix)    ±0.010     (0 – 30 °Brix)
    ±0.030     (30 – 100 °Brix)  
    Precision (Reproducibility) 
    Refractive Index  ± 0.000005 (6 d.p.) 
    Sugar (°Brix) 
    ± 0.005 (3 d.p.) 
    User Scale Library   20+ pre-programmed scales including HFCS (3), sugar (4), sucrose SG (3), NaCl, Butyro, Wine Must (5), Urine SG (3), PHR-MEAN and more, plus customer programmable user scales via PC. 
    Reading Time  Minimum 4 seconds (dependent on the precision required)  
    Measuring Temperature Range    0°C or 10°C below ambient whichever is greater than 70°C 
    Temperature Sensor Accuracy  ± 0.03 °C
    Sample Temperature Stability   ± 0.05 °C 
    Temperature Compensation 
    Sucrose (°Brix)   5 – 80 °C 
    AG Fluids   5 – 40 °C   
    User-defined   Simple coefficient (units/ °C) or polynomial function 
    Temperature Stability Checks  None/delay time/repeatability/ Smart (independently selectable by Method)
    Sample Illumination   Light Emitting Diode 589nm (100,000+ hours) 
    Prism / Dish  Artificial Sapphire / Stainless Steel 316 / PEEK (spill barrier) 
    Prism Seal    Silicon/Resin  
    Interfaces    3 x USB (A), 1 x Ethernet, RS232 via USB adaptor (optional accessory)  
    Power   Instrument: 24 V DC, ±5%, <2A 
    External PSU: 100-240V, 50-60Hz (supplied) 
    Humidity Range    <90% RH (non-condensing)  

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