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INSTRUCTION MANUAL

HI97734

Free and Total

Chlorine High Range

Photometer

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Summary of Contents for HI97734

Page 1: ...INSTRUCTION MANUAL HI97734 FreeandTotal ChlorineHighRange Photometer...

Page 2: ...nstrument as well as a precise idea of its versatility If you need additional technical information do not hesitate to e mail us at tech hannainst com or view our worldwide contact list at www hannain...

Page 3: ...EAGENTS ACCESSORIES 6 6 CONTEXTUAL HELP 6 7 BATTERY MANAGEMENT 7 PHOTOMETER 7 1 METHOD SELECTION 7 2 COLLECTING AND MEASURING REAGENTS AND SAMPLES 7 2 1 PROPER USE OF POWDER PACKET 7 2 2 PROPER USE OF...

Page 4: ...te cap 2 pcs Plastic stopper 2 pcs 1 5V AA Alkaline batteries Instruction manual Meter quality certificate Note Save all packing material until you are sure that the instrument works correctly Any dam...

Page 5: ...f After 15 minutes of inactivity 30minutesbeforeaREADmeasurement Battery type 1 5 V AA Alkaline 3 pcs Battery life 800 measurements without backlight Environment 0 to 50 C 32 to 122 F 0 to 100 RH non...

Page 6: ...any time and apply a user calibration if necessary Hanna s CAL Check cuvettes are made with NIST traceable standards The built in tutorial mode guides users step by step through the measurement proces...

Page 7: ...unctiondisplayedabovethemontheLCD Press and hold to power off on Press briefly to return to the previous screen Press to access the menu screen Press to display the context sensitive help menu DESCRIP...

Page 8: ...extinction coefficient at wavelength c molar concentration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance a...

Page 9: ...is higher measurement stability and less wavelength error A focusing lens collects all of the light that exits the cuvette eliminating errors from cuvette imperfections and scratches eliminating the...

Page 10: ...libration standards is obtained please update the certificate value 4 Insert the A ZERO CAL Check Cuvette A then press Next to continue The Please Wait message will be displayed during the measurement...

Page 11: ...e of the last user calibration if available or factory calibration To erase the last user calibration and to clear the CAL Check press Clear and follow the prompts Press Yes to erase and return to the...

Page 12: ...ime format GENERAL OPERATIONS Contrast Values 0 to 100 Press the Modify key to change the display s contrast Use the keys to increase or decrease the value Press the Accept key to confirm the value or...

Page 13: ...s the functional key to select the desired decimal separator The decimal separator is used on the measurement screen Beeper Option Enable or Disable When enabled a short beep is heard every time a key...

Page 14: ...battery full battery below 10 replace the batteries soon battery is low replace the batteries with new ones 6 6 CONTEXTUAL HELP The HI97734 offers an interactive contextual help mode that assists the...

Page 15: ...erve battery the meter will turn off automatically after 15 minutes of inactivity If a zero reading has been done but not a read auto off time is increased to 30 minutes 7 2 2 PROPER USE OF SYRINGE a...

Page 16: ...ly tapping the cuvette Do not let the reacted sample stand too long after reagent has been added For best accuracy respect the timings described in each specific method It is possible to take multiple...

Page 17: ...sts HI93734 03 Free and Total Chlorine Reagent HR 300 tests For other accessories see page 25 MEASUREMENT PROCEDURE Select the Free Chlorine HR method using the procedure described in the Method Selec...

Page 18: ...the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove FREE CHLORINE HR Insert the cuvette into the holder and ensure that the notch on the cap is positi...

Page 19: ...CO3 2 sample pH 9 0 In both cases it will not reliably develop the full amount of color or it may rapidly fade negative error To resolve this neutralize the sample with diluted HCl Acidity above 150 m...

Page 20: ...other accessories see page 25 MEASUREMENT PROCEDURE Select the Total Chlorine HR method using the procedure described in the Method Selection section see page 15 Note If tutorial mode is disabled fol...

Page 21: ...Shake gently for 20 seconds Insert the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove Press the Zero key The display will show 0 0 when the meter is...

Page 22: ...elop the full amount of color or it may rapidly fade negative error To resolve this neutralize the sample with diluted NaOH Hardness in case of water with hardness greater than 500 mg L CaCO3 shake th...

Page 23: ...not contain any debris Light High There is too much light to perform a measurement Please check the preparation of the zero cuvette 9 ERROR DESCRIPTIONS Ambient temperature out of limits The meter is...

Page 24: ...instrument off by pressing and holding the key Remove the battery cover by turning it counterclockwise Remove the old batteries replace them with three new 1 5V AA batteries Replace the battery cover...

Page 25: ...HI7101412 blue carrying case for HI977XX and 2 CAL Check cuvettes HI731318 cloth for wiping cuvettes 4 pcs HI731331 glass cuvettes 4 pcs HI731336N cap for cuvette 4 pcs HI740236 5 mL graduated syringe...

Page 26: ...cycling Ensuring proper product and battery disposal prevents potential negative consequences for the environment and human health which may be caused by inappropriate handling For more information co...

Page 27: ...prescribed maintenance is not covered If service is required contact your local Hanna Instruments Office If under warranty report the model number date of purchase serial number engraved on the botto...

Page 28: ...nts Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA P...

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