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Koehler K27580 Automatic Petroleum Refractometer w/ Touch Screen

Rp. CALL
Last Updated
26 Aug 2022
Country Origin
United States
Minimum Order
1 unit
Category
KOEHLER

Specification of Koehler K27580 Automatic Petroleum Refractometer w/ Touch Screen

Test Method


Refractive Index is a fundamental physical property that is used in conjunction with other properties to characterize pure hydrocarbons and their mixtures. It is a useful property for concentration measurements, purity determinations and chemical identification. 


Specifications


Conforms to the Specifications of: 


ASTM D1218, D1747, D5006, D5775


Measurement Scales: Refractive Index (RI), BRIX (% sucrose), Temperature Corrected RI, Temperature Corrected BRIX, Ten User-Programmable Scales


Illumination: 589nm light emitting diode with interference filter (estimated life: 100,000 hrs)


Range: Dissolved Solids: 0 to 95% solids


Refractive Index: 1.26000 to 1.72000nD (nD - Sodium D-Line Refractive Index)


Readability: 0.01% Solids 0.00001nD


Precision: Refractive Index Standard Oils ± 0.00002 - Typical clear aqueous samples, % Solids Temperature Compensated, as sucrose ±0.02%


Calibration Fluid: refractive index standard oil, NIST traceable nominal value 1.495 RI, 67.61 BRIX


Sample Types: Transparent, translucent or opaque


Prism Assembly: Stainless steel, synthetic sapphire sealed with solvent-resistant epoxy


Calibration: 1 point - Water only;  2 point - Water and refractive index or Brix standard


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