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Summary of Contents for Hanna Instruments 96822
- Page 1 Instruction Manual HI 96822 Seawater Refractometer w w w. h a n n a i n s t . c o m...
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Page 2: Table Of Contents
Note:Save all packing material until you are sure that the instrument functions correctly. A defective instrument must be returned in its original packing. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA. -
Page 3: General Description
The HI 96822 refractometer is an optical device that is simple and quick to use. After a simple user calibration with distilled or deionized water, a seawater sample is in introduced to the sample well. -
Page 4: Principle Of Operation
In the HI 96822 refractometer, light from an LED passes through a prism in contact with the sample. An image sensor determines the critical angle at which the light is no longer refracted through the sample. -
Page 5: Functional Description
Specific Gravity (20/20) is based upon the published relationship between density at 20 °C and the mass of the dissolved salts in the seawater sample (CRC Handbook of Chemistry and Physics, 87 Edition). FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION TOP VIEW 1. -
Page 6: Display Elements
DISPLAY ELEMENTS DISPLAY ELEMENTS DISPLAY ELEMENTS DISPLAY ELEMENTS DISPLAY ELEMENTS 1. Battery (blinks when low battery condition detected) 2. Measurement in Progress Tag 3. SETUP: Factory Calibration Tag 4. CAL: Calibration Tag 5. Automatic Temperature Compensation (blinks when temperature exceeds 0-40°C / 32-104°F range) 6 Primary Display (displays measurement and error messages) 7. -
Page 7: Calibration Procedure
CALIBRATION PROCEDURE CALIBRATION PROCEDURE CALIBRATION PROCEDURE CALIBRATION PROCEDURE CALIBRATION PROCEDURE Calibration should be performed daily, before measurements are made, when the battery has been replaced, between a long series of measurements, or if environmental changes have occured since the last calibration. 1. -
Page 8: Measurement Procedure
MEASUREMENT PROCEDURE MEASUREMENT PROCEDURE MEASUREMENT PROCEDURE MEASUREMENT PROCEDURE MEASUREMENT PROCEDURE Verify the instrument has been calibrated before taking measurements. 1. Wipe off prism surface located at the bottom of the sample well. Make sure the prism and sample well are completely dry. 2. -
Page 9: To Change Measurement Unit
TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT Press the RANGE key to select measurement units. The instrument toggles between the three measurement scales each time the key is pressed and the primary display indicates “PSU”, “PPt”... -
Page 10: Battery Replacement
WARRANTY WARRANTY WARRANTY The HI 96822 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions. This warranty is limited to repair or replacement free of charge. -
Page 11: Error Messages
ERROR MESSAGES ERROR MESSAGES ERROR MESSAGES ERROR MESSAGES ERROR MESSAGES r c s . e r “ “ r u r t . t n r o r s i s , s t L “ “ l p s b i l o i t H “... - Page 12 Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA Local Sales and Customer Service office Hanna Instruments United States Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA Tel. (800) 426 6287 Fax (401) 765 7575 www.hannainst.com/usa...
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