User manual HANNA INSTRUMENTS HI 3831F

[. . . ] Instruction Manual SPECIFICATIONS Range 0 to 2. 5 mg/L (ppm) Chlorine Smallest Increment 0. 5 mg/L (ppm) Chlorine Analysis Method Colorimetric Sample Size 5 mL Number of Tests 50 (average) Case Dimensions 220x145x55 mm (8. 7x5. 7x2. 1") Shipping Weight 176 g (6. 6 oz. ) INSTRUCTIONS READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT · Add 5 drops of Reagent 1 and 3 drops of Reagent 2 to the color comparator cube. REFERENCES Standard Methods for the Examination of Water and Wastewater, 18th Edition, 1992, pages 445-446. HI 3831F Free Chlorine Test Kit HEALTH AND SAFETY 5 3 The chemicals contained in this kit may be hazardous if improperly handled. [. . . ] This makes the test kit practical for field use. No iodine or bromine can be present for this test to work properly. · Fill the color comparator cube with water sample to the 5 mL mark. SPECIFICATIONS www. hannainst. com · Replace the cap and mix by carefully swirling the cube in tight circles and inverting it several times. Note: Any damaged or defective item must be returned in its original packing materials. ISTR3831FR1 10/01 PRINTED IN ITALY Dear Customer, Thank you for choosing a Hanna Product. Please read the instructions carefully before using the chemical test kit. It will provide you with the necessary information for correct use of the kit. Remove the chemical test kit from the packing material and examine it carefully to make sure that no damage has occurred during shipping. If there is any noticeable damage, notify your Dealer or the nearest Hanna office immediately. Each kit is supplied with: · 1 Color Comparator Cube; · Reagent 1 (20 mL); · Reagent 2 (15 mL). CHEMICAL REACTION The addition of chlorine to water produces hydrochloric and hypochlorous acids. [. . . ] The color intensity of the solution determines the free chlorine concentration. · Determine which color band best matches the solution in the vessel and record the results in mg/L (ppm) free chlorine. [. . . ]