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TTERY REPLACEMENT

10. BATTERY REPLACEMENT

To replace the instrument’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.

11. ACCESSORIES

11.1. REAGENT SETS

Code

Description

HI93731-01

Zinc Reagent - 100 tests

HI93731-03

Zinc Reagent - 300 tests

11.2. OTHER ACCESSORIES

Code

Description

HI7101412

blue 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.)

HI740143

1 mL graduated syringe (6 pcs.)

HI740144

pipette tip (6 pcs.)

HI740220

25 mL graduated glass vial (2 pcs.)

HI740229

100 mL graduated cylinder

HI93703-50

cuvette cleaning solution (230 mL)

HI97731-11

CAL Check

standards for Zinc - cuvette kit

ACCESSORIES

Содержание HI97731

Страница 1: ...INSTRUCTION MANUAL HI97731 Zinc Photometer ...

Страница 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...

Страница 3: ...ERATIONS 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 VIAL PREPARATION 19 8 METHOD PROCEDURE 21 9 WARNING ERROR DESCRIPTIONS 23 10 BATTERY REPLACEMENT 25 11 ACCESSORIES 25 11 1 RE...

Страница 4: ...ck Cuvette A HI97731B CAL Check Cuvette B for Zinc Cloth for wiping cuvettes Scissors 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction manual Each HI97731 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 certificate Instruction ma...

Страница 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...

Страница 6: ...avelength accuracy 1 0 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...

Страница 7: ...rformance 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 HI97731 meter measures the zinc content in water samples in th...

Страница 8: ...over 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 ...

Страница 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...

Страница 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...

Страница 11: ...om 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 ke...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 HI97731 offers an interactive conte...

Страница 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...

Страница 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...

Страница 19: ...ion Turn the cuvette upside down and wait for all of the solution to flow to the cap end then return the cuvette to the upright vertical position 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 icons In o...

Страница 20: ...e reacted sample stand too long after reagent has been added For best accuracy respect the timings described 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 pe...

Страница 21: ...w the measurement procedure below If the tutorial mode is enabled press Measure and follow the messages on the screen Fill the graduated glass vial up to the 20 mL mark with the sample Add the content of one packet of HI93731A 0 Zinc Reagent A Close the vial and invert several times to mix until completely dissolved Fill a cuvette with 10 mL of the reacted sample up to the mark Replace the plastic...

Страница 22: ... holder and ensure that the notch on the cap is positioned securely in the groove Press Read The display will show a 3 minute and 30 second countdown prior to the measurement To skip the timer press Read twice When the timer ends the meter will perform the reading The instrument displays the results in mg L of zinc Zn INTERFERENCES Interference may be caused by Iron above 7 mg L Aluminum above 6 m...

Страница 23: ...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...

Страница 24: ...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...

Страница 25: ...REAGENT SETS Code Description HI93731 01 Zinc Reagent 100 tests HI93731 03 Zinc Reagent 300 tests 11 2 OTHER ACCESSORIES Code Description HI7101412 blue 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 HI740143 1 mL graduated syringe 6 pcs HI740144 pipette tip 6 pcs HI740220 25 mL graduate...

Страница 26: ...t in which it is used Any variation introduced by the user to the supplied equipment may degrade the meter s performance For yours and the meter s safety do not use or store the meter in hazardous environments WARRANTY The HI97731 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions This warranty is limi...

Страница 27: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice ...

Страница 28: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN97731 Printed in ROMANIA ...

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