Brix/RI-Chek
Contents
1. of range of instrument Err5X For any errors in this series contact Reichert Analytical Instruments for technical assistance BATTERY CONDITION The following display examples represent either a low battery condi tion or an extremely low battery condition where the instrument will no longer operate properly In either case the batteries should be promptly replaced bc Battery condition low Replace Batteries Battery condition extremely low Replace Batteries SPECIFICATIONS Catalog 13940000 RI Range 1 3330 1 4465 Accuracy 0 0002 BRIX Range 0 62 Accuracy 0 2 Auto Temperature Compensation 20 C RI and BRIX Calibration Distilled Water Prism Glass Illumination 589nm LED Dimensions 54 x 27 x 100 mm 2 13 x 1 06 x 3 9 inches Power 2 AAA Batteries included Battery life 10 000 readings Auto Off Sleep Mode Ratings IP65 Dustproof Water Resistant CE RoHS and WEEE compliant Reading Modes Brix TC Percent sucrose in aqueous solution at 20 Degrees C RI TC Refractive index temperature corrected to 20 degrees C RI Refractive index Warranty One year against manufacturing defects Evidence of tampering voids warranty Reichert Analytical Instruments 3362 Walden Ave Depew NY 14043 USA Toll Free 888 849 8955 Phone 716 686 4500 email ai reichert com www reichertai com Reichert GmbH Hubertusstrasse 2 D 82229 Seefeld Germany Tel 49 8152 993530 ISO 92. 001 Certified CE 13940000 101 REV E
3. Brix RI Che User Guide Reichert TECHNOLOGIES Analytical Instruments INTRODUCTION We at Reichert Analytical Instruments would like to extend our appreciation to you for purchasing this refractometer It is our mission to provide a quality product at a very competitive price to our end users and we feel this instrument will prove its value time and again to you a Sample Well ex 2 FEATURES LCD SIMPLE SET UP 1 Insert the included batteries with positive side facing outward 2 Align small mark found on the battery cover with mark found on the instrument body and insert cover as shown above 3 Rotate the cover in the clock wise direction until it is in the position shown to the right CLEANING Cleaning of the measurement surface and well should be performed immediately after each sample reading Never immerse the instrument in any liquid When the measurement surface and well have been completely cleaned no residue should be present To properly clean the sample well and glass measurement surface use a mild soap and water solution or Isopropyl Alcohol followed by a distilled water rinse and then thoroughly dry with a soft lint and residue free cloth or a product such as Kimwipes To clean the refractometer s body use a soft cloth with a mild cleaning solution like window cleaner applied to the cloth and follow by wiping the instrument dry CLEANING PRECAUTIONS 1 Never use
4. any harsh cleaning agents that will damage the instrument 2 Strong solvents should never be used Such chemicals will deteriorate the prism seal and attack individual component parts of the instrument which will adversely affect or destroy the instrument CALIBRATION 1 Be sure that the measuring surface and well are clean as outlined under the Cleaning section 2 Apply distilled water to the measurement surface 3 Allow time for the distilled water sample to temperature equilibrate to that of the instrument 4 Press and hold the CAL key until CAL is displayed While still holding the CAL key press the READ key and then release both keys 5 A series of dashed lines will appear and successful calibration will be indicated when the word END is displayed SAMPLE ANALYSIS Before analyzing a sample it should be noted that to attain the greatest accuracy the refractometer should be calibrated at the same temperature as the envirnoment that it will be used in As an example if the environment that the instrument is being used in changes by five degrees then the instrument should be re calibrated 1 Inspect the glass measuring surface and well to be sure that there is no residue remaining from a previous sample analysis If the measuring surface and well does not appear to be clean then refer to the cleaning section of this user guide before proceeding 2 Extract the sample to be tested and apply adequat
5. e sample to the sample well to completely cover the glass measuring surface Minimum sample size is 0 3 mL 3 Allow the sample time to reach the same temperature as the instrument Failure to do so will result in inaccurate measurement 4 Press the READ key and note the displayed value and the position of the annuciator The annunciator should be located below the fluid scale that you are attempting to attain a reading for If the position of the annunciator is not located under the desired scale then press the SCALE key until the annuciator position indicates the correct scale SCALES To change the reading scale between Brix TC RI TC and RI press the SCALE key to toggle through those choices The annuciator displayed on the screen denotes the active scale Displaying Actual Temperature To display the temperature at the measuring surface momentarily press the CAL button while the sample value is displayed AUTOMATIC TEMPERATURE COMPENSATION Automatic temperature compensation corrects readings over a range of temperatures As an example Samples taken within the working temperature range of the instrument are corrected to a reference temperature of 20 degrees C Temperature correction is essential because refractive index varies inversely with temperature This fea ture is used in lieu of temperature control of the prism and sample For this feature to be effective however it is necessary to allow the sample
6. to temperature equilibrate to the ambient temperature of the prism Without allowing for temperature equilibration of the sample the read values will not be accurate since the sample will be in a state of temperature and refractive index change The built in temperature compensation mode is based on the temper ature coefficients of sucrose per the ICUMSA scales When readings are taken in the nD TC scale the values will only be valid for water soluable solutions TEMPERATURE COEFFICIENT CALCULATIONS For non sucrose based samples should you need to temperature correct the value visit our web site at www reichertai com Please download a copy of Temperature Coefficient Calculation and Tem perature Correction found under the APPLICATION section of our site ERROR CODES Err01 No sample present Add sample Err02 Inadequate sample Add additional sample Err03 Sample exceeds the refractive index reading range Err04 Sample temperature has not equilibrated Allow more time for temperature equilibration Err05 Excessive ambient light Cover sample well when reading Err06 Excessive ambient light Cover sample well when reading ErrO7 Positive calibration error Re calibrate with distilled water Err08 Negative calibration error Re calibrate with distilled water Err09 Poor sample condition Sample may not be able to be read Err10 Sample type may not be able to be read Err12 Index of sample is out
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Brix/RI Chek