User manual HANNA INSTRUMENTS HI 38016

[. . . ] Instruction Manual SPECIFICATIONS Range 0 to 3. 5 mg/L (ppm) as Total Chlorine Smallest Increment 0. 1 mg/L Analysis Method Colorimetric Sample Size 5 mL Number of Tests 100 Case Dimensions 235x175x115 mm (9. 2x6. 9x4. 5") Shipping Weight 977 g (34. 5 oz. ) INSTRUCTIONS READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT · Use the pipette to fill each glass vial with 5 mL of sample (up to the mark). 5 mL · Keep the checker disc at a distance of 30-40 cm (1216") from the eyes to match the color. Rotate the disc while looking at the color test windows and stop when you find the color match. [. . . ] Combined chlorine and free chlorine together result in total chlorine. While free chlorine has a much higher disinfectant potential, combined chlorine has a much higher stability and has a lesser volatility. Note: mg/L is equivalent to ppm (parts per million). PRINTED IN ITALY · Add to the other vial deionized water up to the 10 mL mark. Replace the cap and shake to mix. www. hannainst. com Note: Any damaged or defective item must be returned in its original packing materials. ISTR38016 02/00 Dear Customer, Thank you for choosing a Hanna Product. Please read the instruction sheet carefully before using the test kit. It will provide you with the necessary information for correct use of the kit. If you need additional information, do not hesitate to e-mail us at tech@hannainst. com. 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: · HI 93711-0 Total Chlorine Reagent, packets (100 pcs); · Deionized Water, 1 bottle (500 mL); · 1 checker disc (containing the disc); · 2 glass vials with caps; · 1 plastic pipette (3 mL). For best results: Perform the reading three times and take the average value (divide by 3 the sum of the three numbers). Intensely colored samples will make the color matching difficult and they should be adequately treated before performing the test. Suspended matter in large amounts should be removed by prior filtration. [. . . ] · Hold the checker disc so that a light source illuminates the samples from the back of the windows. HEALTH AND SAFETY The chemicals contained in this kit may be hazardous if improperly handled. Read the relevant Health and Safety Data Sheet before performing this test. CHEMICAL REACTION The reaction between chlorine and the DPD reagent causes a pink tint in the sample which is proportional to the chlorine concentration. [. . . ]