Hanna Instruments HI 96771C Скачать руководство пользователя страница 17 | Manualshive

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17

• After a few seconds, the display will show

“-0.0-”

. The meter is now zeroed and ready for

measurement.

• Press

ZERO/CFM

and the lamp, cuvette and detector icons will appear on the display, depending

on the measurement phase.

• Add the content of one packet of

HI93701‑0

Free Chlorine reagent. Replace the cap and shake

gently for for 20 seconds.

• Remove the cuvette from the instrument. Remove the cap.

• Replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned

securely into the groove.

MEASUREMENT PROCEDURE

HI9

37

01

-0

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Содержание HI 96771C

Страница 1: ...INSTRUCTION MANUAL HI96771C Free Chlorine Chlorine Ultra High Range ISM ...

Страница 2: ...Hanna Instruments product Please read this instruction manual carefully before using the instrument This manual will provide you with the necessary information for correct use of the 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 Cust...

Страница 3: ... ACCURACY PRINCIPLE OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP RANGE SELECTION MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY MANAGEMENT BATTERY REPLACEMENT ACCESSORIES 4 5 6 7 11 14 16 24 29 7 9 13 15 22 28 30 5 30 ...

Страница 4: ... Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL Check standard cuvettes 9V Battery Scissors Cloth for wiping cuvettes Instrument Quality Certificate Instruction Manual and Quick Reference Guide Rigid carrying case Note Save all packing material until you are sure that the instrument works correctly Any defective item must be returned in its original packing PRELIMINARY EXAMINAT...

Страница 5: ... messages aid the user in routine operations The meter has an auto shut off feature that will turn off the instrument after 10 minutes of non use in measurement mode or after 1 hour if left in calibration mode The meter uses an exclusive positive locking system to ensure that the cuvette is in the same position every time it is placed into the measurement cell It is designed to fit a cuvette with ...

Страница 6: ...tation of Standard Methods for the Examination of Water and Wastewater 20th edition 4500 Cl The reaction between chlorine and the reagents causes a pink Free Chlorine or a yellow Chlorine UHR tint in the sample Environment 0 to 50 C 32 to 122 F max 95 RH non condensing Battery Type 9V 1 pc Auto Shut off After 10 of non use in measurement mode after 1 hour of non use in calibration mode with last r...

Страница 7: ...ht 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 log I Io ελ c d or A ελ c d Where log I Io Absorbance A Io intensity of incident light beam I intensity of light beam after absorption ελ molar extinction coefficient at wavelength λ c molar concentration of the substance d optical p...

Страница 8: ...range The microprocessor uses this potential to convert the incoming value into the desired measuring unit and to display it on the LCD The measurement process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvette has a very important role because it is an optical element and thus requires particular attention It is important that both the ...

Страница 9: ...ion date or restore factory calibration KEYPAD DESCRIPTION ON OFF to turn the meter on and off ZERO CFM to zero the meter prior to measurement to confirm edited values or to confirm factory calibration restore READ TIMER this is a multi functional key In measurement mode press to make a measurement or press and hold for three seconds to start a pre programmed countdown prior to measurement In GLP ...

Страница 10: ...rement 2 Error messages and warnings 3 The battery icon shows the charging level of the battery 4 The hourglass appears when an internal checking is in progress 5 Status messages 6 The chronometer appears when the reaction timer is running 7 The month day and date icons appear when a date is displayed 8 Four digit main display 9 Measuring units 10 Four digit secondary display ...

Страница 11: ...the light level Please check that the sample does not contain any debris Inverted cuvettes The sample and the zero cuvette are inverted Zero A zero reading was not taken Follow the instructions of the measurement procedure for zeroing the meter b on sample reading Under range A blinking 0 00 indicates that the sample absorbs less light than the zero reference Check the procedure and make sure you ...

Страница 12: ...rnings Battery low The battery must be replaced soon Dead battery This indicates that the battery is dead and must be replaced Once this indication is displayed the meter will lock up Change the battery and restart the meter ERRORS AND WARNINGS Standard High The standard reading is higher than expected Standard Low The standard reading is less than expected c during calibration procedure ...

Страница 13: ...ttom of this concavity must be at the same level of the 10 mL mark Proper use of the powder reagent packet a use scissors to open the powder packet b push the edges of the packet to form a spout c pour out the content of the packet It is important that the sample does not contain any debris This would corrupt the reading Each time the cuvette is used the cap must be tightened to the same degree Wh...

Страница 14: ... stained All the reaction times reported in this manual are at 25 C 77 F In general the reaction time should be increased for temperatures lower than 20 C 68 F and decreased for temperatures higher than 25 C 77 F In order to maximize accuracy prior to a measurement follow the validation procedure to be sure that the instrument is properly calibrated If necessary calibrate the instrument GENERAL TI...

Страница 15: ...OFF The display briefly shows all tags on After startup the range identification number is displayed on the secondary display as P1 or P2 Code Parameter P1 Free Chlorine P2 Chlorine Ultra High Range Press RANGE GLP to change the range The range can be changed any time when the instrument is in measurement mode The selected range is memorized and the selection remaines unchanged at power off or whe...

Страница 16: ...reagents are added the reacted sample is measured When the beeper sounds briefly and the LCD displays dashes the meter is ready The blinking ZERO indicates that the instrument needs to be zeroed first Fill the cuvette with 10 mL of unreacted sample up to the mark and replace the cap Place the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groov...

Страница 17: ...e display depending on the measurement phase Add the content of one packet of HI93701 0 Free Chlorine reagent Replace the cap and shake gently for for 20 seconds Remove the cuvette from the instrument Remove the cap Replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove MEASUREMENT PROCEDURE H I9 3 7 0 1 0 ...

Страница 18: ...ss greater than 500 mg L CaCO3 shake the sample for approximately 2 minutes after adding the powder reagent Press and hold READ TIMER for three seconds The display will show the countdown prior to measurement The beeper is playing a beep at the end of countdown period At the end of measurement the instrument directly displays concentration in mg L of free chlorine and the range number on the LCD A...

Страница 19: ...the meter is ready The blinking ZERO indicates that the instrument needs to be zeroed first Fill the cuvette with 10 mL of unreacted sample up to the mark and replace the cap Place the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Pay attention to the selected range To change the range simply press RANGE GLP MEASUREMENT PROCEDURE ...

Страница 20: ...mp cuvette and detector icons will appear on the display depending on the measurement phase Add the content of one packet of HI95771A 0 Chlorine Ultra HR reagent A Remove the cuvette from the instrument Remove the cap Add the content of one packet of HI95771B 0 Chlorine Ultra HR reagent B Replace the cap and shake gently for 20 seconds MEASUREMENT PROCEDURE ...

Страница 21: ...Press and hold READ TIMER for three seconds The display will show the countdown prior to measurement The beeper is playing a beep at the end of countdown period At the end of measurement the instrument directly displays concentration in mg L of Chlorine UHR and the range number on the LCD Alternatively wait for 1 minute and just press READ TIMER In both cases the lamp cuvette and detector icons wi...

Страница 22: ...unds briefly and the LCD displays dashes the meter is ready Use the validation procedure to ensure that the instrument is properly calibrated Warning DonotvalidatetheinstrumentwithanystandardsolutionsotherthantheHannaInstruments CAL CheckTM Standards otherwise erroneous results will be obtained For accurate validation please perform test at room temperature 18 to 25 C 64 5 to 77 0 F Note The valid...

Страница 23: ... At the end of the measurement the display will show the validation standard value The reading should be within specifications as reported in the CAL CheckTM Standard Certificate If the value is found out of the specifications please check that the cuvettes are free of fingerprints oil or dirt and repeat validation If results are still found out of specifications then recalibrate the instrument Af...

Страница 24: ...te A into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Note It is possible to interrupt calibration procedure at any time by pressing CAL CHECK or ON OFF keys Warning Do not calibrate the instrument with standard solutions other than the Hanna Instruments CAL Check Standards otherwise erroneous results will be obtained For accurate calibration plea...

Страница 25: ...the CAL CheckTM Standard HI96771 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press READ TIMER and the lamp cuvette and detector icons will appear on the display depending on the measurement phase Press ZERO CFM and the lamp cuvette and detector icons will appear on the display depending on the measurement phase CALIBRATION PROCED...

Страница 26: ...2005 appears on the display or 01 01 2005 if the factory calibration was selected before In both cases the year number is blinking ready for date input CALIBRATION PROCEDURE After measurement the instrument will show for three seconds the CAL CheckTM Standard value DATE INPUT Press RANGE GLP to edit the desired year 2000 2099 If the key is kept pressed the year number is automatically increased Wh...

Страница 27: ...matically increased When the correct month has been set press ZERO CFM or READ TIMER to confirm Now the display will show the day blinking Press ZERO CFM to save the calibration date Note It is possible to change the editing from day to year and to month by pressing READ TIMER The instrument displays Stor for one second and the calibration is saved The instrument will return automatically to measu...

Страница 28: ...display If no calibration was performed the factory calibration message F CAL will appear on the main display and the instrument returns to measurement mode after three seconds LAST CALIBRATION DATE Press READ TIMER to enter in the factory calibration restore screen The instrument asks for confirmation of user calibration delete FACTORY CALIBRATION RESTORE It is possible to delete the calibration ...

Страница 29: ...d 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 The instrument displays a battery indicator with three levels as follows 3 lines for 100 capacity 2 lines for 66 capacity 1 l...

Страница 30: ...Y REPLACEMENT ACCESSORIES Reagent Set HI93701 01 Reagents for 100 Free Chlorine tests HI93701 03 Reagents for 300 Free Chlorine tests HI95771 01 Reagents for 100 Chlorine Ultra High Range tests HI95771 03 Reagents for 300 Chlorine Ultra High Range tests Other Accessories HI96771 11 CAL Check Standard Cuvettes 1 set HI740029P 9V battery 10 pcs HI731318 Cloth for wiping cuvettes 4 pcs HI731331 Glass...

Страница 31: ...ts first obtain a Returned Goods Authorization Number from the Customer Service Depart ment and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complete protection To validate your warranty fill out and return the enclosed warranty card within 14 days from the date of purchase Recommendations for Users Before using these products make sur...

Страница 32: ...na Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800 426 6287 Fax 401 765 7575 e mail tech hannainst com ...

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