PAS Systems International PAS V Calibration Manual
Also see for PAS V: Instruction manual
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2Mixing the Wet Bath Solution (optional)Certified calibration solution (500 ml) is available from PAS SystemsInternational but making your own calibration solution by diluting a strongerstock solution with distilled water is a simple process using the followingsteps.Stock Solution To mix your (water/ethanol) stock solution, use a 100 mlgraduated cylinder for your mixing.[1] Pour 77 ml of 100 proof vodka into the 100 ml graduated cylinder[2] Pour the 77 ml of vodka into a 500 ml volumetric flask and fill theflask up with distilled water.This completes your mixture of stock solution.You may keep your stock solution in a refrigerator for mixing calibrationsolution as necessary. We do not recommend keeping stock solution forlonger than 45 days.0.005% Ethanol Calibration Solution[1] Using a 0.5 ml volumetric pipette, draw in 0.5 ml of the premixedStock solution into a 500 ml volumetric flask[2] Fill the 500 ml volumetric flask up with distilled water.This result gives you 0.005% calibration solution for use in the wet bathsimulator. For accuracy, if you have access to a quality evidential unit, runyour calibration fluid in the evidential unit to verify. |
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