61. PRELIMINARY EXAMINATIONRemove the instrument and accessories from the packaging and examine it carefully to make surethat no damage has occurred during shipping. Notify your nearest Hanna Customer Service Center ifdamage is observed.Each HI83300 is supplied with:• Sample Cuvette and Cap (4 pcs.)• Cloth for Wiping Cuvettes• Scissors• USB Cable• 5 Vdc Power Adapter• Instruction Manual• DO bottle (glass stopper bottle)• Quality CertificateNote: Save all packing material until you are sure that the instrument works correctly.Any damaged or defective item must be returned in its original packing material with thesupplied accessories.2. SAFETY MEASURES•The chemicals contained in the reagent kits may be hazardous if improperlyhandled.•Read the Safety Data Sheets (SDS) before performing tests.• Safety equipment: Wear suitable eye protection and clothing when required, and followinstructions carefully.• Reagent spills: If a reagent spill occurs, wipe up immediately and rinse with plenty of water. Ifreagent contacts skin, rinse the affected area thoroughly with water. Avoid breathing releasedvapors.• Waste disposal: for proper disposal of reagent kits and reacted samples, contact a licensedwaste disposal provider.PRELIMINARY EXAMINATIONSAFETY MEASURES