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Summary of Contents for Hanna Instruments HI96727
- Page 1 HI96727C Color of Water ISM...
- Page 2 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. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA.
- Page 3 PRELIMINARY EXAMINATION ..................... GENERAL DESCRIPTION ..................... ABBREVIATIONS ....................... SPECIFICATIONS ....................... PRECISION AND ACCURACY ....................PRINCIPLE OF OPERATION ....................FUNCTIONAL DESCRIPTION ....................ERRORS AND WARNINGS ....................GENERAL TIPS FOR AN ACCURATE MEASUREMENT .............. STARTUP .......................... MEASUREMENT PROCEDURE ..................... VALIDATION PROCEDURE ....................CALIBRATION PROCEDURE ....................
- Page 4 Please examine this product carefully. Make sure that the instrument is not damaged. If any damage occurred during shipment, please contact your local Hanna Instruments Office. Each HI96727 Ion Selective Meter is supplied complete with: • Sample Cuvettes and Caps (2 pcs.) •...
- Page 5 HI96727 is an auto diagnostic portable microprocessor meter that benefits from Hanna Instruments’ years of experience as a manufacturer of analytical instruments. It has the advanced optical system based on a special Tungsten Lamp and a narrow band interference filter that allows most accurate and repeatable readings.
- Page 6 Range 0 to 500 PCU Resolution 10 PCU Accuracy ±10 PCU ±5% of reading @25 °C (77 °F) Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter @420 nm Adaptation of the Standard Methods for the Examination of Water and Method Wastwater, 18 edition, Colorimetric Platinum Cobalt method.
- Page 7 The optical system of Hanna Instruments’ HI96 colorimeter is based on special tungsten lamp and narrow‑band interference filters to guarantee both high performance and reliable results.
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Page 8: Instrument Description
A microprocessor controlled special tungsten lamp emits radiation which is first optically conditioned and beamed to the sample contained in the cuvette. The optical path is fixed by the diameter of the cuvette. Then the light is spectrally filtered to a narrow spectral bandwidth, to obtain a light beam of intensity I or I. -
Page 9: Keypad Description
KEYPAD DESCRIPTION • ON/OFF: to turn the meter on and off. • ZERO/CFM: this is a bi‑functional key. Just press to zero the meter prior to measurement, or confirm edited values. In calibration mode press to confirm factory calibration restore. •... - Page 10 The instrument shows clear messages when erroneous condition appears. Messages are also displayed when the obtained values are outside expected range. The beeper is playing a beep on errors. a) on zero reading Light High: There is too much light to perform a measurement. Please check the preparation of the zero cuvette.
- Page 11 Over Range: A flashing value of the maximum concentration indicates an over range condition. The concentration of the sample is beyond the programmed range: dilute the sample and re‑run the test. c) during calibration procedure Standard Low: The standard reading is less than expected. Standard High: The standard reading is higher than expected.
- Page 12 The instructions listed below should be carefully followed during testing to ensure best accuracy. • Color or suspended matter in large amounts may cause interference, therefore these should be removed by treatment with active carbon and by prior filtration. • For a correct filling of the cuvette: the liquid in the cuvette forms a concavity on the top;...
- Page 13 Prepare the instrument for measurement as follows: • Unpack the instrument by removing the dust protection sleeve from the instrument cuvette holder. • Place the battery in the instrument as described in the “BATTERY REPLACEMENT” chapter. • Place the instrument on a flat table. •...
- Page 14 • Filter 50 mL of sample through a filter with a 0.45 µm membrane in a beaker. • Fill the third cuvette up to the 10 mL mark with the filtered sample and replace the cap. This is the true color. •...
- Page 15 • Insert the apparent color cuvette into the instrument and ensure that the notch on the cap is positioned securely into the groove. • Press READ and the lamp, cuvette and detector icons will appear on the display, depending on the measurement phase. •...
- Page 16 • The instrument directly displays concentration in color units of the true color on the LCD. Use the validation procedure to ensure that the instrument is properly calibrated. Warning: Do not validate the instrument with any standard solutions other than the Hanna Instruments CAL Check Standards, otherwise erroneous results will be obtained.
- Page 17 • Remove the cuvette. • Place the CAL Check Standard HI96727‑11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove. • Press CAL CHECK and the lamp, cuvette and detector icons together with “CAL CHECK” will...
- Page 18 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.
- Page 19 3’’ • Place the CAL Check Standard HI96727‑11 Cuvette 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 on the measurement phase.
- Page 20 “STD LOW”, the standard value was too low. Verify that both CAL Check Standards HI96727-11 Cuvettes, A and B are free from fingerprints or dirt and that they are inserted correctly. • Then the date of the last calibration (e.g.: ”01.08.2009”) appears on the display, or “01.01.2009”...
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Page 21: Date Input
DATE INPUT • Press GLP/ to edit the desired year (2009‑2099). If the key is kept pressed, the year number is automatically increased. • When the correct year has been set, press ZERO/CFM or READ to confirm. Now the display will show the month blinking. - Page 22 • Press ZERO/CFM to save the calibration date. • The instrument displays “Stor” for one second and the calibration is saved. • The instrument will return automatically to measurement mode by displaying dashes on the LCD.
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Page 23: Last Calibration Date
In GLP mode, the last calibration date can be verified and the factory calibration can be restored. LAST CALIBRATION DATE To display the calibration date: • Press GLP/ to enter GLP mode. The calibration month and day will appear on the main display and the year on the secondary display. - Page 24 • Press ZERO/CFM to restore the factory calibration or press GLP/ again to abort factory calibration restore. • The instrument briefly indicates “donE” upon restoration of factory calibration prior to returning to measurement mode. To save battery, the instrument shuts down after 10 minutes of non‑use in measurement mode and after 1 hour of non‑use in calibration mode.
- Page 25 To replace the instrument’s battery, follow the steps: • Turn the instrument off by pressing ON/OFF. • Turn 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. •...
- Page 26 Required Accessories 0.45 µm membrane for true color measurement. Other Accessories CAL Check Standard Cuvettes (1 set) HI96727-11 9V battery (10 pcs.) HI742009P Cloth for wiping cuvettes (4 pcs.) HI731318 HI731331 Glass cuvettes (4 pcs.) HI731335 Caps for cuvettes (4 pcs.)
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Page 27: Recommendations For Users
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. - Page 28 World Headquarters Hanna 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 MAN96727 Printed in ROMANIA...
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