User manual HANNA INSTRUMENTS HI 96822

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Manual abstract: user guide HANNA INSTRUMENTS HI 96822

Detailed instructions for use are in the User's Guide.

[. . . ] 5 DISPLAY ELEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 MEASUREMENT GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 CALIBRATION PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 MEASUREMENT PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] PPT (10-3) is an older used salinity scale where salinity is defined by "the salt content is the weight of the inorganic salts contained in 1 kg of seawater if all bromide and iodide are replaced by an equivalent amount of oxides" (Knudsen, 1901). 4 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, 87th Edition). FUNCTIONAL DESCRIPTION TOP VIEW 1. BOTTOM Liquid Crystal Display (LCD) READ Key (User Measurement) ZERO Key (User Calibration) RANGE Key (User Measurement Unit) ON/OFF Stainless Steel Sample Well and Prism Secondary Display Primary Display 9. Battery Cover 10. Battery Compartment 5 DISPLAY ELEMENTS 1. 9. Battery (blinks when low battery condition detected) Measurement in Progress Tag SETUP: Factory Calibration Tag CAL: Calibration Tag Automatic Temperature Compensation (blinks when temperature exceeds 0-40°C / 32-104°F range) Primary Display (displays measurement and error messages) Temperature Units Secondary Display (displays temperature measurements; when blinking, temperature has exceeded operation range: 0-80°C / 32-176°F) Range indicator MEASUREMENT GUIDELINES · · · · · · · Handle instrument carefully. Do not spray water to any part of instrument except the "sample well" located over the prism. The instrument is intended to measure seawater solutions. Do not expose instrument or prism to solvents that will damage it. This includes most organic solvents and extremely hot or cold solutions. Particulate matter in a sample may scratch the prism. Absorb sample on soft tissue and rinse sample well with deionized or distilled water between samples. Use plastic pipettes to transfer all solutions. Do not use metallic tools such as needles, spoons or tweezers as these will scratch the prism. Cover sample well with hand if measuring in direct sun. 6 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. Two instrument test screens will be displayed briefly; all LCD segments followed by the percentage of remaining battery life. It will briefly display an indication of the measurement units set. When the LCD displays dashes, the instrument is ready. 2. Using a plastic pipette, fill the sample well with distilled or deionized water. Make sure the prism is completely covered. Note: If the ZERO sample is subject to intense light such as sunlight or another strong source, cover the sample well with your hand or other shade during the calibration. If no error messages appear, your unit is calibrated. (For a description of ERROR MESSAGES see page 11). Note: The 0 screen will remain until a sample is measured or the instrument is turned off. [. . . ] · Add distilled or deionized water to the container so the total weight of the solution is 100 g. g of NaCl g of Wat er 5% NaCl 10% NaCl 15% NaCl 5. 00 10. 00 15. 00 95. 00 90. 00 85. 00 Tot al Weight 100. 00 100. 00 100. 00 Expect ed ppt Seawat er Value 48 96 145 BATTERY REPLACEMENT To replace the instrument's battery, follow these steps: · Make sure the instrument is off. · Turn instrument upside down and remove the battery cover by turning it counterclockwise. · Extract the battery from its location. To o m u c h e x t e r n a l l i g h t f o r m ea su rem en t. Conta ct Ha nna . "ELt " "nLt " Ba ttery seg ment b linking <5 % of battery life is remaining. Temp era ture va lues a re b linking "0. 0°C" or "80. 0°C" Tem p era tu re m ea su rem en t ou t of sa mp ling ra ng e (0 to 80°C). [. . . ]

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