User manual HANNA INSTRUMENTS C 226

[. . . ] Instruction Manual C 216 & C 226 Multiparameter Bench Photometers for Pool & Spa Applications www. hannainst. com These Instruments are in Compliance with the CE Directives 1 Dear Customer, Thank you for choosing a Hanna product. Please read this instruction manual carefully before using the meter. This manual will provide you with the necessary information for the correct use of the instrument. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] · Fill the cuvet with 10 mL of unreacted sample, up to the mark, and replace the cap. · Place the cuvet into the holder and ensure that the notch on the cap is positioned securely into the groove. · Press ZERO and "SIP" will blink on the display. 10 mL Alkalinity 22 · Wait for a few seconds and the display will show "-0. 0-". Now the meter is zeroed and ready for measurement. · Add carefully the content of one packet of HI 93755-0 Alkalinity Indicator Reagent. Replace the cap and shake vigorously for 30 seconds. Note: Pay attention not to spill reagent otherwise full color development may be inhibithed. · Replace the cuvet into the holder and ensure that the notch on the cap is positioned securely into the groove. · Press TIMER and the display will show the countdown prior to measurement. Alternatively, wait for 2 minutes and press READ DIRECT. In both cases "SIP" will blink during measurement. · The instrument directly displays the alkalinity in mg/L of CaCO3 on the Liquid Crystal Display. 23 Alkalinity BROMINE SPECIFICATIONS Range Resolution Precision Typical EMC Deviation Light Source Method 0. 00 to 10. 00 mg/L 0. 01 mg/L ±0. 05 mg/L @ 2. 00 mg/L ±0. 01 mg/L Tungsten lamp with narrow band interference filter @ 525 nm Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, DPD method. The reaction between bromine and the reagent causes a pink tint in the sample. Description DPD Powder Reagent Quantity/test 1 packet REQUIRED REAGENTS Code HI 93716-0 REAGENT SETS HI 93716-01 Reagents for 100 tests HI 93716-03 Reagents for 300 tests For other accessories see page 49. MEASUREMENT PROCEDURE · Select the program number corresponding to Bromine on the secondary LCD by pressing PROGRAM and . · Fill the cuvet with 10 mL of unreacted sample, up to the mark, and replace the cap. · Place the cuvet into the holder and ensure that the notch on the cap is positioned securely into the groove. · Press ZERO and "SIP" will blink on the display. 10 mL Bromine 24 · Wait for a few seconds and the display will show "-0. 0-". Now the meter is zeroed and ready for measurement. · Add the content of one packet of HI 93716-0 Bromine Reagent. Replace the cap and shake gently for about 20 seconds to dissolve most of the reagent. · Replace the cuvet into the holder and ensure that the notch on the cap is positioned securely into the groove. · Press TIMER and the display will show the countdown prior to measurement. Alternatively, wait for 2 minutes and 30 seconds and press READ DIRECT. [. . . ] A blinking "LOBAT" on the display, while a measurement is in progress, indicates low voltage and the batteries should be replaced. If the batteries are not replaced immediately, in order to prevent erroneous readings due to low voltage, "-BA-" is displayed soon afterwards. At this point the batteries must be changed. Battery replacement must only take place in a non-hazardous area using two 9V alkaline batteries. [. . . ]