Hanna Instruments HI97738 Instruction Manual Download | Manualshive

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INSTRUCTION MANUAL

HI97738

Chlorine Dioxide

Photometer

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Summary of Contents for HI97738

Page 1: ...INSTRUCTION MANUAL HI97738 Chlorine Dioxide Photometer ...

Page 2: ...g a Hanna Instruments product Pleasereadthisinstructionmanualcarefullybeforeusingthisinstrument This manual will provide you with the necessary information for correct use of this instrument 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 hannainst com Dear Custome...

Page 3: ...ATIONS 11 6 1 METER VALIDATION CAL CHECK CALIBRATION 11 6 2 GLP 13 6 3 LOGGING DATA LOG RECALL 13 6 4 GENERAL SETUP 14 6 5 REAGENTS ACCESSORIES 16 6 6 CONTEXTUAL HELP 16 6 7 BATTERY MANAGEMENT 17 7 PHOTOMETER 18 7 1 COLLECTING MEASURING REAGENTS AND SAMPLES 18 7 2 CUVETTE CYLINDER PREPARATION 19 8 METHOD PROCEDURE 21 9 WARNING ERROR DESCRIPTIONS 25 10 BATTERY REPLACEMENT 27 11 ACCESSORIES 28 11 1 ...

Page 4: ... Chlorine Dioxide HI97738B CAL Check Cuvette B for Chlorine Dioxide Cloth for wiping cuvettes Scissors 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction manual Each HI97738 is delivered in a cardboard box and is supplied with Sample cuvette 2 pcs Sample cuvette cap 2 pcs Plastic stopper 2 pcs 1 5V AA Alkaline batteries Instrument quality certifica...

Page 5: ...curs wipe up immediately and rinse with plenty of water If reagent contacts skin rinse the affected area thoroughly with water Avoid breathing released vapors Waste disposal For proper disposal of reagent kits and reacted samples contact a licensed waste disposal provider 3 ABBREVIATIONS mg L milligrams per liter ppm mL milliliter C degree Celsius F degree Fahrenheit GLP Good Laboratory Practice H...

Page 6: ...nm Light detector Silicon photocell Cuvette type Round 24 6 mm diameter 22 mm inside Additional Specifications Auto logging 50 readings Display 128 x 64 pixel B W LCD with backlight Auto off After 15 minutes of inactivity 30 minutes before a READ measurement 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 servic...

Page 7: ...are able to validate the performance of the instrument at any time and apply a user calibration if necessary Hanna Instruments CAL Check cuvettes are made with NIST traceable standards The built in tutorial mode guides users step by step through the measurement process It includes all steps required for sample preparation the required reagents and quantities The HI97738 meter measures the chlorine...

Page 8: ...r 6 Battery cover Keypad Description The keypad contains 3 direct keys and 3 functional keys with the following functions Press the functional key to perform the function displayed above it on the LCD 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 ...

Page 9: ...sorbed by atoms molecules or crystal lattices Photometric chemical analysis is based on specific chemical reactions between a sample and reagent to produce a light absorbing compound If pure absorption occurs the fraction of light absorbed depends both on the optical path length through the matter and on the physical chemical characteristics of the substance according to the Lambert Beer Law If al...

Page 10: ... luminous efficiency providing more light while using less power They also produce little heat which could otherwise affect electronic stability LEDs are available in a wide array of wavelengths whereas tungsten lamps have poor blue violet light output Improved optical filters ensure greater wavelength accuracy and allow a brighter stronger signal to be received The end result is higher measuremen...

Page 11: ...m direct sunlight by keeping them in the original packing Store between 5 and 30 C 41 to 86 F do not freeze To perform a CAL Check 1 Press CAL Check from measurement mode The Not Available message or the date time and status of the last CAL Check will be displayed on the screen 2 Press Check to start a new CAL Check Press the key at any time to abort the validation process 3 Use the functional key...

Page 12: ...ion no user calibration is required OUT OF SPECIFICATION and Calibrate is available The measured value is near the expected value To update the user calibration press Calibrate Press Accept to confirm or Cancel to return to the previous screen OUT OF SPECIFICATION A user calibration is not allowed the measured value is outside of the tolerance window Check the certified value expiration date and c...

Page 13: ...ll measurements Every time a measurement is made the data is automatically saved The data log can hold 50 individual measurements When the data log is full 50 data points the meter will rewrite the oldest data point Viewing and deleting the data is possible using the Log Recall menu Press the key to enter the menu Use the functional keys to select Log Recall and press Select Use the functional key...

Page 14: ...rease or decrease the value Press Accept to confirm or the key to return to the Setup menu without saving the new value Contrast Option 0 to 100 Press Modify to change the display s contrast Use the functional keys to increase or decrease the value Press Accept to confirm the value or the key to return to the Setup menu without saving the new value Date Time Press Modify to change the date and tim...

Page 15: ...Option Comma or Period Press the functional key to select the desired decimal separator The decimal separator is used on the measurement screen Language Press Modify to change the language Use the functional keys to select the desired language Press Accept to choose one of the languages installed Beeper Option Enable or Disable When enabled a short beep is heard every time a key is pressed A long ...

Page 16: ...tore Factory Settings Press Select to reset to factory settings Press Accept to confirm or Cancel to exit without restoring the factory settings 6 5 REAGENTS ACCESSORIES Press the key to enter the menu Use the functional keys to select Reagents Accessories and press Select to access a list of reagents and accessories To exit press the key 6 6 CONTEXTUAL HELP The HI97738 offers an interactive conte...

Page 17: ...to diagnostic test when it is powered on During this test the Hanna Instruments logo will appear on the LCD If the auto diagnostic test was successful the meter is ready for use The battery icon on the LCD will indicate the battery status battery full battery below 10 replace the batteries soon battery is low replace the batteries with new ones To conserve battery the meter will turn off automatic...

Page 18: ...he plunger completely into the syringe and insert the tip into the solution 2 Pull the plunger up until the lower edge of the seal is exactly on the mark for the desired volume 3 Take out the syringe and clean the outside of the syringe tip be sure that no drops are hanging on the tip of the syringe Then keeping the syringe in vertical position above the cuvette push the plunger down into the syri...

Page 19: ... and wait for all of the solution to flow to the cuvette bottom This is one inversion The correct speed for this mixing technique is 10 15 complete inversions in 30 seconds This mixing technique is indicated with invert to mix and the following icon In order to avoid reagent leaking and to obtain more accurate measurements close the cuvette first with the supplied HDPE plastic stopper and then the...

Page 20: ... in the method It is possible to take multiple readings in a row but it is recommended to take a new zero reading for each sample and to use the same cuvette for zeroing and measurement when possible Discard the sample immediately after the reading has been taken or the glass might become permanently stained All the reaction times reported in this manual are at 25 C 77 F In general the reaction ti...

Page 21: ...8 03 Chlorine Dioxide Reagent 300 tests For other accessories see ACCESSORIES section MEASUREMENT PROCEDURE Note If tutorial mode is disabled follow the measurement procedure below If the tutorial mode is enabled press Measure and follow the messages on the screen Fill two graduated mixing cylinders 1 2 up to the 25 mL mark with the sample Use a 1 mL syringe and add 0 5 mL of HI93738A 0 Chlorine D...

Page 22: ... 5 mL of HI93738C 0 Chlorine Dioxide Reagent C to each cylinder 1 2 Cap the cylinders and invert several times to mix 1 0 5 mL 2 0 5 mL 1 2 Use a 1 mL syringe and add 0 5 mL of HI93738D 0 Chlorine Dioxide Reagent D to each cylinder 1 2 Cap the cylinders and invert several times to mix Cylinder 2 is the reacted sample 1 0 5 mL 2 0 5 mL Fill cuvette 1 with 10 mL of the blank up to the mark and repla...

Page 23: ...e meter is zeroed and ready for measurement Fill second cuvette 2 with 10 mL of the reacted sample up to the mark Replace the plastic stopper and the cap Insert the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove Press Read to start the reading The instrument displays the results in mg L of chlorine dioxide ClO2 1 2 10 mL 2 ...

Page 24: ...e Dioxide samples immediately after collection Chlorine Dioxide samples must be stored in sealed dark glass bottle with minimal head space Excessive heat above 25 C 77 F agitation and exposure to light must be avoided INTERFERENCES Interference may be caused by Strong oxidants ...

Page 25: ...d the zero cuvettes are inverted Swap the cuvettes and repeat the measurement There is either too much light or the instrument can not adjust the light level Please check the preparation of the zero cuvette and that the sample does not contain any debris The meter is either overheating or its temperature has dropped too low to operate within published accuracy specifications The meter must be betw...

Page 26: ...he meter If the issue persists please contact Hanna Instruments technical support Battery level is too low for the meter to function properly Replace the batteries with new ones Tutorial mode has been enabled in the Setup menu Press Continue and follow the prompt on the screen Tutorial mode can be disabled in the Setup menu A critical error has occurred Restart the meter If the issue persists plea...

Page 27: ...ent s batteries follow these steps Turn the 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 turn it clockwise to close ...

Page 28: ...ue carrying case for HI977xx and 2 CAL Check cuvettes HI731318 cloth for wiping cuvettes 4 pcs HI731331 glass cuvette 4 pcs HI731336N cap for glass cuvette 4 pcs HI740220 25 mL graduated glass vial 2 pcs HI740229 100 mL graduated cylinder HI740143 1 mL graduated syringe 6 pcs HI740144 pipette tip 6 pcs HI93703 50 cuvette cleaning solution 230 mL HI97738 11 CAL Check standards for Chlorine Dioxide ...

Page 29: ...aste Hand them over to the appropriate collection point for recycling Ensuring proper product and battery disposal prevents potential negative consequences fortheenvironmentandhumanhealth Formoreinformation contactyourcity yourlocal household waste disposal service the place of purchase or go to www hannainst com RECOMMENDATIONS FOR USERS Before using this product make sure it is entirely suitable...

Page 30: ...vice is required contact your local Hanna Instruments Office If under warranty report the model number date of purchase serial number engraved on the bottom of the meter and the nature of the problem If the repair is not covered by the warranty you will be notified of the charges incurred If the meter is to be returned to Hanna Instruments first obtain a Returned Goods Authorization RGA number fro...

Page 31: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice ...

Page 32: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN97738 Printed in ROMANIA ...

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