Hanna Instruments HI 83214 Instruction Manual

8TIPS FOR AN ACCURATE MEASUREMENTThe instructions listed below should be carefully followed during testing to ensure most accurate results.COLLECTING AND MEASURING SAMPLES• In order to add the exact amount of sample or liquid reagent to the reagent vials it is stronglyrecommended to use the available Hanna automatic fixed-volume pipettes or class A laboratory pipettes(symbolized like a generic pipette tip in the following method related chapters):pipette code volumeHI 731340 200 μLHI 731341 1000 μLHI 731342 2000 μLFor correct use of the automatic pipette, please follow the related Instruction Sheet.Alternatively, the optional HI 740142 1 mL graduated syringe or HI 740226 5 mL graduated syringecan be used. For the correct use of the syringes, see instructions below.1. In order to measure exactly 5 mL of reagent with the 5 mL syringe:(a) push the plunger completely into the syringe and insert the tip into the solution(b) pull the plunger up until the lower edge of the seal is exactly on the 5 mL mark(c) take out the syringe and clean the outside of the syringe tip. Be sure that no drops are hangingon the tip of the syringe, if so eliminate them. Then, keeping the syringe in vertical position abovethe vial, push the plunger completely down into the syringe. Exactly 5 mL has been added to the vial