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. sale@ponpe.com...
The HI 96822 refractometer is an optical device that is simple and quick to use. Samples are measured after a simple user calibration with distilled or deionized water. Within seconds, the refractive index and temperature are measured and converted into one of 3 popular measurement units;...
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.
Units), ppt (part per thousand) or S.G. (Specific Gravity) (20/20). PSU is defined as the conductivity ratio of seawater to a standard KCl solution. It is based upon the work of the UNESCO, ICES, SCOR and IAPSO. This information is published in The Joint Panel of Oceanographic Tables and Standards.
DISPLAY ELEMENTS 1. Battery (blinks when low battery condition detected) 2. Primary Display (displays measurement and error messages) 3. Measurement in Progress Tag 4. SETUP: Factory Calibration Tag 5. CAL: Calibration Tag 6. Measurement Unit 7. Automatic Temperature Compensation (blinks when temperature exceeds 0-40 °C / 32-104 °F range) 8.
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 occurred since the last calibration. 1. Press the ON/OFF key, then release. Two instrument test screens will be displayed briefly;...
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. Using a plastic pipette, drip sample onto the prism surface. Fill the well completely.
TO CHANGE MEASUREMENT UNIT Press the RANGE key to select the measurement unit. The instrument toggles between the three measurement scales each time the key is pressed and the primary display indicates “PSU”, “PPt” and “S.G.”. When the instrument displays the screen with 4 dashes, the instrument is ready for measurement.
• Insert the back battery cover and fasten it by turning clockwise to engage. WARRANTY HI 96822 is guaranteed for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. This warranty is limited to repair or replacement free of charge.
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Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA Technical Support for Customers Tel. (800) 426 6287 Fax (401) 765 7575 E-mail tech@hannainst.com www.hannainst.com Local Sales and Customer Service Office Printed in ROMANIA MAN96822 09/14 sale@ponpe.com...