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Related Manuals for KERN Optics ORT 1RS
Summary of Contents for KERN Optics ORT 1RS
- Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433-9933-0 D-72336 Balingen, Germany Fax: +49 (0)7433-9933-149 E-mail: info@kern-sohn.com Internet: www.kern-sohn.com Operating manual ABBE refractometer KERN ORT 1RS Analogue Brix and nD Version 1.0 01/2015 ORT_1RS-BA-e-1510...
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Page 2: Table Of Contents
KERN ORT Version 1.0 01/2015 Operating instructions ABBE refractometer Contents Technical data ....................3 Description ..................... 4 General information ..................5 Intended use ..........................5 Warranty ............................ 5 Basic safety information ................5 Follow the instructions in the operating manual ..............5 Warning ............................. -
Page 3: Technical Data
Technical data Accuracy Division Model Scales Measuring range KERN ± 0.1% ± 0.25 % ORT 1RS Brix 0 – 95% ± 0.0002 nD ± 0.0005 nD Refractive index 1.3000-1.7000 nD Scale for the ORT 1RS ORA_1GG-BA-e-1510... -
Page 4: Description
1 Description 1. Baseplate 5. Illumination prism 2. Housing 6. Measuring prism 3. Adjustment screw 7. Scatter settings 4. Eyepiece 8. Measuring range adjusting wheel 9. Condenser 12. Protective plate 10. Thermometer 13. Prism lock 11. Reflection mirror ORT_1RS-BA-e-1510... -
Page 5: General Information
2 General information 2.1 Intended use The refractometer is a measuring instrument for determining the refractive index of translucent liquids, dispersions and emulsions. It is used to observe the behaviour of light as it passes from a prism with known properties to the substance being tested. Using the refractometer for other purposes is contrary to its intended use and may be hazardous. -
Page 6: Warning
3.2 Warning Do not let acids come into contact with skin or eyes. If acid comes into contact with skin, flush with copious amounts of water. Shower if larger areas of skin are affected. If acid comes into contact with eyes, keep the eyelid open and flush the eye with run- ning lukewarm water from the outer corner to the inner corner. -
Page 7: Use/Measurement
6 Use/measurement The refractometer can be used to quickly and accurately determine the refractive in- dex of liquid, solid, and pasty samples. Please make sure your hands are dry before handling the measuring device. The protective plate [5] must be open during measur- ing procedure and after having finished must be reclosed. -
Page 8: Calibration With Calibration Block
6.2 Calibration with calibration block Prior to any kind of measuring procedure a calibration should be effected. Zero point calibration has to be carried out using the calibration block which is part of the standard equipment. Open the illumination prism [5], apply some contact liquid (Alpha-Bromonaphtalene) to the measuring prism [6] and place the calibration block with the polished surface downwards on to the measuring prism[6]. -
Page 9: Measuring Procedure For Liquids
6.3 Measuring procedure for liquids Make sure your hands are dry before handling the refractometer. Open the illumination prism [5] by turning the locking mechanism [13]. Apply one or two drops of the liquid onto the measuring prism [6], then move the il- lumination prism [6] down again and secure using the locking [13] mechanism. -
Page 10: Cleaning And Maintenance
7 Cleaning and maintenance Clean the refractometer by using a soft, lint-free cloth moistened with water, or if necessary use pure alcohol. Do not use any aggressive or abrasive cleaning agents. Never immerse the device in water or hold it under running water. Never handle the device with wet or damp hands. -
Page 11: Brix To Refractive Index (Nd) Conversion Table
12 Brix to refractive index (nD) conversion table Refractive Refractive Refractive BRIX index BRIX index BRIX index 1.33299 1.38115 1.44193 1.33442 1.38296 1.44420 1.33586 1.38478 1.44650 1.33732 1.38661 1.44881 1.33879 1.38846 1.45113 1.34026 1.39032 1.45348 1.34175 1.39220 1.45584 1.34325 1.39409 1.45822 1.34476 1.39600... -
Page 12: Refractive Index (Nd) And Dispersion Of Distilled Water (Nf - Nc) Subject To The Temperature (°C)
13 Refractive index (nD) and dispersion of distilled Water (nF – nC) Subject to the temperature (°C) °C nF - nC °C nF - nC 1,33369 0,00600 1,33240 0,00596 1,33364 0,00600 1,33229 0,00595 1,33358 0,00599 1,33217 0,00595 1,33352 0,00599 1,33206 0,00594 1,33346 0,00599...
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