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SPECIFICA

TIONS

4. SPECIFICATIONS

Nickel

Range

0.0 to 10.0 mg/L (as O

)

Resolution

0.1 mg/L

Accuracy

±0.4 mg/L ±3% of reading at 25 °C

Method

Adaptation of Standard Methods for the
Examination of Water and Wastewater,
18

Edition, Azide Modified Winkler Method

Measurement

System

Light source

Light Emitting Diode

Bandpass filter

466 nm

Bandpass filter

bandwidth

8 nm

Bandpass filter

wavelength 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);

0 to 100% RH, non-serviceable

Dimensions

142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0")

Weight

(with batteries)

380 g (13.4 oz.)

Case ingress

protection rating

IP67, floating case

Содержание HI97732

Страница 1: ...INSTRUCTION MANUAL HI97732 Dissolved Oxygen 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: ...AL OPERATIONS 11 6 1 METER VALIDATION CAL CHECK CALIBRATION 11 6 2 GLP 12 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 PROPER USE OF DROPPER BOTTLE 18 7 2 CUVETTE BOTTLE PREPARATION 18 8 METHOD PROCEDURE 20 9 WARNING ERROR DESCRIPTIONS 22 10 BATTERY REPLACEMENT 24 11 ACCESSORIES 25 11 1 REAGENT ...

Страница 4: ... Cuvette A HI97732B CAL Check Cuvette B for Dissolved Oxygen Cloth for wiping cuvettes 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction manual Each HI97732 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 m...

Страница 5: ...d 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 EPA US Environmental Protection Agency GLP Good Laborator...

Страница 6: ...filter wavelength 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 ...

Страница 7: ...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 HI97732 meter measures the dissolved oxygen content in water samples in the...

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: ... 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 clean the outside of the cuvette Repeat the CAL Check procedure If this error continues contact your nearest Hanna Instruments Customer Service Center 6 2 GLP Press the key to enter the menu Use the funct...

Страница 13: ... the key to enter the menu Use the functional keys to select Log Recall and press Select Use the functional keys to highlight a log and press Info to view additional information about the log From this screen Next and Previous can be used to view other logs Press Delete to erase logged data After pressing Delete a prompt on display is asking for confirmation Press No or the key to return to the pr...

Страница 14: ...on 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 time Press the functional keys to highlight the value to be modified year month day hour minute or second Press Edit to modify the highl...

Страница 15: ...tor 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 beep alert sounds when the pressed key is not active or an error is detected Press the functional key to e...

Страница 16: ...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 HI97732 offers an interactive contextual help mode that assists the user at any time To access the help screen press the key The instrument will display additional information related to the current screen To read all t...

Страница 17: ...nostic 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 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 ...

Страница 18: ...he cuvette in the vertical position 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 For bottle mixing technique follow cuvette mixing ...

Страница 19: ...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 20: ...ssages on the screen Fill one 60 mL glass bottle completely with the unreacted sample Replace the cap and ensure that a small part of the sample spills over Remove the cap and add 5 drops of HI93732A 0 and 5 drops of HI93732B 0 Add more sample to fill the bottle completely Replace the cap and ensure that a part of the sample spills over Note This ensures no air bubbles have been trapped inside the...

Страница 21: ...notch on the cap is positioned securely in the groove Press Zero The display will show 0 0 when the meter is zeroed and ready for measurement Remove the cuvette 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 ...

Страница 22: ...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 23: ...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 24: ...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 ...

Страница 25: ...1 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 HI740038 glass bottle and stopper 60 mL HI93703 50 cuvette cleaning solution 230 mL HI97732 11 CAL Check standards for Dissolved Oxygen cuvette kit ...

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 HI97732 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 MAN97732 Printed in ROMANIA ...

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