Hanna Instruments HI96706C Instruction Manual
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Hanna Instruments HI96706C Instruction Manual

Phosphorus ism
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HI96706C
Phosphorus ISM

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  • Page 1 HI96706C Phosphorus 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 HI96706 Ion Selective Meter is supplied complete with: • Sample Cuvettes and Caps (2 pcs) •...
  • Page 5 The validation procedure is extremely user friendly. Just use the exclusive Hanna Instruments ready‑made, NIST traceable standards to verify the performance of the instrument and recalibrate if necessary.

  • Page 6: Required Reagents

    Range 0.0 to 15.0 mg/L Resolution 0.1 mg/L Accuracy ±0.3 mg/L ±4% of reading @25 °C (77 °F) Light Source Tungsten lamp Light Detector Silicon Photocell with narrow band interference filter @525nm Amino Acid Method, adapted from Standard Method for the Examination Method of Water and Wastewater.
  • Page 7 The optical system of Hanna Instruments’ HI96 series colorimeters is based on special subminiature tungsten lamps and narrow‑band interference filters to guarantee both high performance and...
  • Page 8 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: Instrument Description

    INSTRUMENT DESCRIPTION 1) GLP/ key 2) CAL CHECK key 3) ZERO/CFM key 4) READ /TIMER key 5) ON/OFF key 6) Liquid Crystal Display (LCD) 7) Cuvette alignment indicator 8) Cuvette holder KEYPAD DESCRIPTION • ON/OFF: to turn the meter on and off. •...

  • Page 10: Operating Modes

    OPERATING MODES • Measurement mode: default 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. • GLP mode may be entered by pressing GLP/ (“GLP” appears), it enables consulting of user calibration date or restore factory calibration.
  • Page 11 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 12 Under range: A blinking “0.0” indicates that the sample absorbs less light than the zero reference. Check the procedure and make sure you use the same cuvette for reference (zero) and measurement. Over Range: A flashing value of the maximum concentration indicates an over range condition.
  • Page 13 Battery low: The battery must be replaced soon. Dead battery: This indicates that the battery is dead and must be replaced. Once this indication is displayed, normal operation of the instrument will be interrupted. Change the battery and restart the meter. The instructions listed below should be carefully followed during testing to ensure best accuracy.
  • Page 14 • Proper use of dropper: (a) to get good reproducible results, tap the dropper on the table for several times and wipe the outside of the dropper with a cloth. (b) always keep the dropper bottle in a vertical position while dosing the reagent. •...
  • Page 15 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 16 • Press ZERO/CFM and the lamp, cuvette and detector icons will appear on the display, depending on the measurement phase. • After a few seconds, the display will show “-0.0-”. The meter is now zeroed and ready for measurement. • Remove the cuvette. •...
  • Page 17 • Replace the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove. • Press and hold READ /TIMER for three seconds. The display will show the countdown prior to measurement. The beeper is playing a beep at the end of countdown period. 3"...
  • Page 18 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. • Turn the meter on by pressing ON/OFF.
  • Page 19 • After a few seconds, the display will show “-0.0-”. The meter is now zeroed and ready for validation. • Remove the cuvette. • Place the CAL Check Standard HI96706‑11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove. •...
  • Page 20 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. For accurate calibration, please perform test at room temperature: 18 to 25 ºC (64.5 to 77.0 ºF).
  • Page 21 • Press ZERO/CFM and the lamp, cuvette and detector icons will appear on the display, depending on the measurement phase. • After a few seconds the display will show “-0.0-”. The meter is now zeroed and ready for calibration. The blinking “READ” asks for reading calibration standard. •...

  • Page 22: Date Input

    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 Check Standards HI96706-11 Cuvettes, A and B are free of fingerprints or dirt and that they are inserted correctly.
  • Page 23 • When the correct month has been set, press ZERO/CFM or READ /TIMER to confirm. Now the display will show the day blinking. • Press GLP/ to edit the desired day (01‑31). If the key is kept pressed, the day number is automatically increased.

  • Page 24: Last Calibration Date

    In the GLP mode, the last user 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 25 • 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 26 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 27: Recommendations For Users

    To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of purchase. 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 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 MAN96706 Printed in ROMANIA...

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