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RM50 Refractometer

MANUFACTURER Mettler Toledo (manufacturer's website)
AVAILABILITY Official workshop hours are: 9:30 to 12.30 and 13.30 to 16:30 (in practice technicians are often available outside of these times)
CONTACT 1 External enquiries: Martine Dobson - Funding, Development & Support
CONTACT 2 Internal enquiries: Tony Dickson - Principal Technician
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SITE Harris Site


RM50 Refractometer

RM50 is a 5 place digital LiquiPhysics™ Excellence refractometer for measurement of refractive index, BRIX or concentration of aqueous solutions.

The LiquiPhysics Excellence RM refractive index meters and RX refractive index cell modules feature extremely fast heating up-and cooling down rates, maximum accuracy in a minimum of time and are easiest to clean – the top section can be easily removed and rinsed with tap water without the need for any tools. Moreover LiquiPhysics Excellence are the only refractive index measuring devices which can be completely automated.

Image, text and documentation courtesy of us.mt.com


Specifications - RM50

  • Accuracy: 0.00002
  • Measurement range: 1.32000 ... 1.58000 [nD]
  • Temperature range: 5.00 ... 75.00°C
  • Measurement range BRIX: 0.00 – 100.00%
  • Accuracy BRIX: 0.014 %
  • Temperature control: Yes (Peltier)
  • Typical measuring time: 20s (5s after reaching temperature equilibrium)
  • Sampling pump: Option (FillPal Food, FillPal Chem, SC1)
  • Sample changer: InMotion and SC30
  • Special applications: BRIX, HFCS, Zeiss, user defined concentrations …
  • Languages: German, English, French, Italian, Spanish, Chinese, Russian, Portuguese, Polish
  • Methods: Methods: 30; Types of products: 100
  • Accessories: Option (Printer, DX density cell, pH connecting set, conductivity connecting set, color connecting set, barcode scanner, ScanStraight automatic scanner, DryPal drying pump, WasteSens level sensor, LogStraight fingerprint scanner, ErgoSens optical sensor, Flow cell, Press,)
  • Material Number(s): 51337004

Item ID #1769.

Last Updated: 25th November, 2016