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Required Items* PASCO Interface PASCO Data Acquisition Software *See the PASCO catalog or the PASCO web site at metric turbidity units (NTU) by measuring light scattered www.pasco.com for more information. by the sample at 90 degrees. The light source is stabilized to prevent drift.
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• Plug the Turbidity Sensor into one of the PASPORT • Put 6 mL of deionized water into an empty cuvette and input ports of a PASCO interface (such as the 850 Uni- tighten the cap. Clean the outside of the cuvette.
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Standard sample should provide accurate results (±7%) up Cap Label with Arrow to the expiration data on the bottom of the cuvette. After the expiration date, PASCO cannot guarantee the stability Screw of the sample. Order PS-2511 to replace the 100 NTU Standard sample.
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Reproduction under any other circumstances, without the written consent of PASCO sci- entific, is prohibited. Trademarks PASCO, PASCO Capstone, PASPORT, SPARK Science Learning System, SPARK SLS, and SPARKvue are trademarks or registered trademarks of PASCO sci- entific, in the United States and/or in other countries.