User manual HANNA INSTRUMENTS HI 96101C
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Manual abstract: user guide HANNA INSTRUMENTS HI 96101C
Detailed instructions for use are in the User's Guide.
[. . . ] Instruction Manual
HI 96101C pH, Chlorine, Cyanuric Acid, Iodine, Bromine, Iron LR ISM
www. hannainst. com
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Dear Customer, Thank you for choosing a Hanna product. This manual will provide you with the necessary information for the correct use of the instrument. Please read it carefully before using the meter. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com.
TABLE OF CONTENTS
PRELIMINARY EXAMINATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] · After a few seconds, the display will show "-0. 0-". The meter is now zeroed and ready for measurement. · Add the content of one packet of HI 93701-0 reagent. Replace the cap and shake gently for 20 seconds (or 2 minutes in case of seawater analysis). 18
· Replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove.
· Press and hold READ/ /TIMER for three
seconds. The display will show the countdown prior to measurement. An audible "beep" indicates the end of the countdown period.
· Alternatively, wait for one minute and
just press READ/ /TIMER. In both cases, the lamp, cuvette and detector icons will appear on the display, depending on the measurement phase.
· The instrument directly displays concentration in mg/L of free chlorine on the Liquid Crystal Display.
INTERFERENCES Interference may be caused by: Bromine Iodine Chlorine Dioxide Ozone Oxidized manganese and Chromium In case of water with hardness greater than 500 mg/L CaCO3, shake the sample for approximately 1 minute after adding the reagent. In case of water with alkalinity greater than 250 mg/L CaCO3 or acidity greater than 150 mg/L CaCO3, the color of the sample could disappear or develop only partially. To resolve this, neutralize the sample with diluted HCl or NaOH.
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TOTAL CHLORINE MEASUREMENT · Fill the cuvette up to the mark with 10 mL of unreacted sample and replace the cap. · Place the cuvette into the holder and ensure that the notch on the cap is positioned securely into the groove.
· Press ZERO/CFM and the lamp, cuvette and detector icons will appear on the display, depending on the measurement phase.
· After a few seconds, the display will show "-0. 0-". The meter is now zeroed and ready for measurement.
· Remove the cuvette and add one packet of HI 93711-0 reagent. Replace the cap and shake gently for 20 seconds (or 2 minutes in case of seawater analysis).
· Replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove.
· Press and hold READ/ /TIMER for three seconds. The display will show the countdown prior to measurement. An audible "beep" indicates the end of the countdown period. 20
· Alternatively, wait for 2 minutes and 30 seconds and just press READ/ /TIMER. In both cases, the lamp, cuvette and detector icons will appear on the display, depending on the measurement phase. · The instrument directly displays concentration in mg/L of total chlorine on the Liquid Crystal Display. INTERFERENCES Interference may be caused by: Bromine, Iodine, Chlorine Dioxide, Ozone, Oxidized manganese and Chromium. In case of water with hardness greater than 500 mg/L CaCO3, shake the sample for approximately 1 minute after adding the reagent. In case of water with alkalinity greater than 250 mg/L CaCO3 or acidity greater than 150 mg/L CaCO3, the color of the sample could disappear or develop only partially. To resolve this, neutralize the sample with diluted HCl or NaOH. [. . . ] If a valid measurement was displayed before auto-shut off, the value is displayed when the instrument is switched on. The blinking "ZERO" means that a new zero has to be performed. One fresh battery lasts for around 750 measurements, depending on the light level. The remaining battery capacity is evaluated at the instrument startup and after each measurement. [. . . ]
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