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CERTIFICA

TION

CERTIFICATION

All Hanna Instruments conform to the 

CE European Directives.

RoHS

compliant

Disposal of Electrical & Electronic Equipment.

 The product should not be treated 

as household waste. Instead hand it over to the appropriate collection point for the 
recycling of electrical and electronic equipment which will conserve natural resources.

Disposal of waste batteries.

 This product contains batteries, do not dispose of them 

with other household waste. Hand them over to the appropriate collection point for 
recycling.
Ensuring proper product and battery disposal prevents potential negative consequences 
for the environment and human health. For more information, contact your city, your local 
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 for your specific application and 

for the environment 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 

HI97704

 

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 limited to repair or replacement free of charge. Damage due to accidents, misuse, 

tampering or lack of 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 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 from the Technical Service 

department and then send it with shipping costs prepaid. When shipping any meter, make 

sure it is properly packed for complete protection.

MAN97704 09/19

Summary of Contents for HI97704

Page 1: ...INSTRUCTION MANUAL HI97704 Hydrazine Photometer...

Page 2: ...a Hanna Instruments product Pleasereadthisinstructionmanualcarefullybeforeusingthisinstrument This manual will provide you with the necessary information for correct use of this instrument as well as...

Page 3: ...NERAL 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 MANAGEME...

Page 4: ...eck Cuvette A HI97704B CAL Check Cuvette B for Hydrazine Cloth for wiping cuvettes 1 5V AA Alkaline batteries CAL Check standard certificate Instrument quality certificate Instruction manual Each HI97...

Page 5: ...tely 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 reacte...

Page 6: ...ter 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...

Page 7: ...nstrument 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...

Page 8: ...ver 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 hol...

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 absorptio...

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 wherea...

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...

Page 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...

Page 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...

Page 14: ...n 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 savi...

Page 15: ...or 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 Op...

Page 16: ...o 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 HI97704 offers an in...

Page 17: ...ostic 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 ba...

Page 18: ...ts The proper mixing technique is listed in the method procedure The mixing method is indicated with shake gently using one of the following icons In order to avoid reagent leaking and to obtain more...

Page 19: ...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 D...

Page 20: ...asurement procedure below If the tutorial mode is enabled press Measure and follow the messages on the screen Fill one cuvette 1 with 10 mL of deionized water up to the mark Fill a second cuvette 2 wi...

Page 21: ...meter is zeroed and ready for measurement Remove the blank Insert the cuvette with the reacted sample 2 into the holder and ensure that the notch on the cap is positioned securely in the groove Press...

Page 22: ...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 cu...

Page 23: ...e 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...

Page 24: ...nt 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...

Page 25: ...ent 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...

Page 26: ...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 envi...

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

Page 28: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN97704 Printed in ROMANIA...

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