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Recommendations 
for Users

Before using these products, make sure that they are entirely suit‑
able for your specific application and for the environment in which 
they are used.
Operation of these instruments may cause unacceptable interfer‑
ences to other electronic equipments, this requiring the operator to 
take all necessary steps to correct interferences.
Any variation introduced by the user to the supplied equipment 
may degrade the instruments’ EMC performance.
To avoid damages or burns, do not put the instrument in microwave 
oven. For yours and the instrument safety do not use or store the 
instrument in hazardous environments.

HI96727 

is warranted for two years against defects in workmanship and materials 

when used for its intended purpose and maintained according to the instructions.
This warranty is limited to repair or replacement free of charge.
Damages due to accident, misuse, tampering or lack of prescribed maintenance 
are not covered. 
If service is required, contact your local Hanna Instruments Office. If under 
warranty, report the model number, date of purchase, serial number and the 
nature of the failure. If the repair is not covered by the warranty, you will be 
notified of the charges incurred. 
If the instrument is to be returned to Hanna Instruments, first obtain a Returned 
Goods Authorization Number from the Customer Service Department 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.

Warranty

Hanna Instruments reserves the right to modify the design, construction or appearance of its 

products without advance notice.

Summary of Contents for HI96727

Page 1: ...INSTRUCTION MANUAL HI96727C Color of Water ISM...

Page 2: ...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 ha...

Page 3: ...PRINCIPLE OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY MANAGEM...

Page 4: ...ve Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL CheckTM standard cuvettes 9V Battery Cloth for wiping cuvettes Instrument quality certificate Instruction Manual and Quick Referen...

Page 5: ...ary All instruments are splash proof and the lamp and filter units are protected from dust or dirt by a transparent cup This makes the instruments fulfill field applications Display messages aid the u...

Page 6: ...racy 25 C 77 F 10 PCU 5 of reading Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter 420 nm Method Adaptation of the Standard Methods for the Examination...

Page 7: ...th c molar concentration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photo...

Page 8: ...ng 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 b...

Page 9: ...lt operation mode enables both validation and measurement Calibration mode may be entered by keeping CAL CHECK pressed for three seconds the CAL tag appears it enables calibration of the instrument GL...

Page 10: ...asurement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light level Please check that the sample does not contain any debris Inverted cuvettes The sample a...

Page 11: ...andard reading is higher than expected Cap error Appears when external light enters in the analysis cell Assure that the cuvette cap is present Cooling lamp The instrument waits for the lamp to cool d...

Page 12: ...haking the cuvette can generate bubbles in the sample causing higher readings To obtain accurate measurements remove such bubbles by swirling or by gently tapping the cuvette Do not let the reacted sa...

Page 13: ...ed water sample After the reagents are added the reacted sample is measured After the unfiltered and then the filtered samples are measured Turn the meter on by pressing ON OFF The display briefly sho...

Page 14: ...rue color Place the blank into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press ZERO CFM and the lamp cuvette and detector icons will appear on the...

Page 15: ...nto the groove Press READ the lamp cuvette and detector icons will appear on the display depending on the measurement phase Insert the apparent color cuvette into the instrument and ensure that the no...

Page 16: ...he meter on by pressing ON OFF 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 Place the CAL Chec...

Page 17: ...r is now zeroed and ready for validation Remove the cuvette Place the CAL CheckTM Standard HI96727 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into...

Page 18: ...the beeper sounds briefly and the LCD displays dashes the meter is ready The reading should be within specifications as reported in the CAL CheckTM Standard Certificate If the value is found out of th...

Page 19: ...vette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove Press ZERO CFM and the lamp cuvette and detector icons will appear on the display depending...

Page 20: ...onds the CAL CheckTM Standard value Note If the display shows STD HIGH the standard value was too high If the display shows STD LOW the standard value was too low Verify that both CAL CheckTM Standard...

Page 21: ...it the desired month 01 12 If the key is kept pressed the month number is automatically increased When the correct month has been set press ZERO CFM or READ to confirm Now the display will show the da...

Page 22: ...will return automatically to measurement mode by displaying dashes on the LCD Press ZERO CFM to save the calibration date The instrument displays Stor for one second and the calibration is saved CALI...

Page 23: ...n display and the instrument returns to measurement mode after three seconds It is possible to delete the calibration and restore factory calibration Press GLP to enter GLP mode In GLP mode the last c...

Page 24: ...t 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 evaluate...

Page 25: ...the instrument upside down and remove the battery cover by turning it counterclockwise Extract the battery from its location and replace it with a fresh one Insert back the battery cover and turn it c...

Page 26: ...ories HI96727 11 CAL CheckTM Standard Cuvettes 1 set HI742009P 9V battery 10 pcs HI731318 Cloth for wiping cuvettes 4 pcs HI731331 Glass cuvettes 4 pcs HI731335 Caps for cuvettes 4 pcs HI93703 50 Cuve...

Page 27: ...ding to the instructions This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is requi...

Page 28: ...a 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...

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