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Summary of Contents for Hanna Instruments HI97734
- Page 1 INSTRUCTION MANUAL HI97734 Free & Total Chlorine High Range Photometer Hanna Instruments Inc., 584 Park East Drive, Woonsocket, RI 02895 USA www.hannainst.com...
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Page 2: Table Of Contents
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. Hanna Instruments reserves the right to modify the design, construction, or appearance of its products without advance notice. -
Page 3: Preliminary Examination
Preliminary Examination 1. PRELIMINARY EXAMINATION Remove the instrument and accessories from the packaging and examine it carefully. For further assistance, ® please contact your local Hanna Instruments office or email us at tech@hannainst.com. Each HI97734C is delivered in a rugged carrying case and is supplied with: •... -
Page 4: Abbreviations
Abbreviations 3. ABBREVIATIONS mg/L milligrams per liter (ppm) Good Laboratory Practice milliliter HDPE High Density Polyethylene °C degree Celsius High Range °F degree Fahrenheit Light Emitting Diode N,N‑Diethyl‑p‑phenylenediamine NIST National Institute of Standards and Technology US Environmental Protection Agency 4. SPECIFICATIONS Chlorine (All Methods) Range 0.00 to 10.00 mg/L (as Cl... -
Page 5: Description
With the CAL Check™ functionality, users are able to validate the performance of the instrument at any time ® and apply a user calibration (if necessary). Hanna Instruments CAL Check cuvettes are made with NIST traceable standards. -
Page 6: Functional Description
3. Liquid Crystal Display (LCD) 4. Cuvette holder 5. Indexing mark 6. Battery cover HI97734 SN: XXXXXXXXXXXX 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. -
Page 7: Precision & Accuracy
= optical path through the substance 5.5. OPTICAL SYSTEM The internal reference system (reference detector) of the HI97734 photometer compensates for any drifts due to power fluctuations or ambient temperature changes, providing a stable source of light for your blank (zero) measurement and sample measurement. -
Page 8: General Operations
(if necessary). ® WARNING: Do not use any solutions or standards other than the Hanna Instruments CAL Check Standards. For accurate validation and calibration results, please perform these at room temperature, 18 to 25 ° C (64.5 to 77.0 °... - Page 9 • “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.
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Page 10: Glp
General Operations 6.2. GLP Press the key to enter the menu. Use the functional keys to select GLP and press Select. Good Laboratory Practice (GLP) shows the date and time of the last user calibration (if available) or factory calibration. To erase the last user calibration and to clear the CAL Check™, press Clear and follow the prompts. -
Page 11: General Setup
General Operations 6.4. GENERAL SETUP Press the key to enter the menu. Use the functional keys to select Setup and press Select. Use the functional keys to highlight desired option. Backlight Option: 0 to 100 % Press Modify to access the backlight intensity. Use the functional keys to increase or decrease the value. Press Accept to confirm or the key to return to the Setup menu without saving the new value. - Page 12 General Operations Decimal Separator Option: Comma ( , ) or Period ( . ) Press the functional key to select the desired decimal separator. The decimal separator 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.
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Page 13: Reagents & Accessories
6.7. BATTERY MANAGEMENT ® The meter will perform an auto‑diagnostic test when it is powered on. During this test, the Hanna Instruments logo will appear on the LCD. If the auto‑diagnostic test was successful, the meter is ready for use. The battery icon on the LCD will indicate the battery status: Battery is full. -
Page 14: Photometer
Photometer 7. PHOTOMETER 7.1. METHOD SELECTION Press Methods when in measurement mode to access the list of methods. Use the functional keys to highlight the desired method then press Select. The selected method will be saved when the instrument is powered off. 7.2. -
Page 15: Cuvette Preparation
Photometer 7.3. CUVETTE PREPARATION Proper mixing is very important for reproducibility of the measurements. The proper mixing technique for each method 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 accurate measurements, close the cuvette first with the supplied HDPE plastic stopper and then... -
Page 16: Method Procedure
Method Procedure 8. METHOD PROCEDURE 8.1. FREE CHLORINE HR Note: Free and Total Chlorine have to be measured separately with fresh unreacted samples, following the related procedures if both values are desired. REQUIRED REAGENTS Code Description Quantity HI93701‑0 Free Chlorine Reagent 1 packet HI93734B‑0 Free and Total Chlorine HR Reagent... - Page 17 Method Procedure • Press Zero. The display will show “‑0.0‑” when the meter is zeroed and ready for measurement. • Remove the cuvette. • Add the content of one packet of HI93701‑0 Free Chlorine Reagent. Replace the plastic stopper and the cap. Shake gently for 20 seconds. •...
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Page 18: Total Chlorine Hr
Method Procedure 8.2. TOTAL CHLORINE HR Note: Free and Total Chlorine have to be measured separately with fresh unreacted samples, following the related procedures if both values are desired. REQUIRED REAGENTS Code Description Quantity HI93701‑0 Free Chlorine Reagent 1 packet HI93734B‑0 Free and Total Chlorine HR Reagent 5 mL... - Page 19 Method Procedure • Press Zero. The display will show “‑0.0‑” when the meter is zeroed and ready for measurement. • Remove the cuvette. ×3 • Add 3 drops of HI93734C‑0 Total Chlorine Reagent to the cuvette. • Add the content of one packet of HI93701‑0 Free Chlorine Reagent.
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Page 20: Warning & Error Descriptions
Date and time settings have been lost. Please reset the values. If the issue persists, please contact Hanna Instruments technical support. English is the only available language. Help function is not available. Restart the meter. If the issue persists, please contact Hanna Instruments technical support. -
Page 21: Battery Replacement
Tutorial mode can be disabled in the Setup menu. A critical error has occurred. Restart the meter. If the issue persists, please contact ® Hanna Instruments technical support. 10. BATTERY REPLACEMENT To replace the instrument’s batteries, follow these steps: •... -
Page 22: Certification
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 .
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