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Related Manuals for Hanna Instruments HI97779
Summary of Contents for Hanna Instruments HI97779
- Page 1 HI97779 Chlorine Dioxide (Rapid) Photometer...
- 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.
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. PRELIMINARY EXAMINATION ................4 2. SAFETY MEASURES ..................5 3. ABBREVIATIONS ................... 5 4. SPECIFICATIONS .................... 6 5. DESCRIPTION ....................7 5.1. GENERAL DESCRIPTION & INTENDED USE ..........7 5.2. FUNCTIONAL DESCRIPTION ..............8 5.3. PRECISION & ACCURACY ............... 9 5.4. -
Page 4: 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 HI97779C is delivered in a rugged carrying case and is supplied with: •... -
Page 5: Safety Measures
2. SAFETY MEASURES • The chemicals contained in the reagent kits may be hazardous if improperly handled. • Read the Safety Data Sheets (SDS) before performing tests. • Safety equipment: Wear suitable eye protection and clothing when required, and follow instructions carefully. •... -
Page 6: Specifications
4. SPECIFICATIONS Range 0.00 to 2.00 mg/L (as ClO Resolution 0.01 mg/L Chlorine Accuracy ±0.10 mg/L ±5% of reading at 25 °C Dioxide (Rapid) Adaptation of Standard Methods for the Method Examination of Water and Wastewater, 18 Edition, 4500 ClO Light source Light Emitting Diode Bandpass filter... -
Page 7: 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 8: Functional Description
5.2. FUNCTIONAL DESCRIPTION 1. ON/OFF power button 3. Liquid Crystal Display (LCD) 5. Indexing mark 2. Keypad 4. Cuvette holder 6. Battery cover 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 hold to power off/on. -
Page 9: Precision & Accuracy
5.3. PRECISION & ACCURACY Precision is how closely repeated measurements are to one another. Precision is usually expressed as standard deviation (SD). Accuracy is defined as the closeness of a test result to the true value. Although good precision suggests good accuracy, precise results can be inaccurate. The figure explains these definitions. -
Page 10: Optical System
5.5. OPTICAL SYSTEM Instrument Block Diagram The internal reference system (reference detector) of the HI97779 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 11: General Operations
6. GENERAL OPERATIONS 6.1. METER VALIDATION: CAL CHECK & CALIBRATION Validation of the HI97779 involves verifying the concentration of the certified CAL Check standards. The CAL Check screen guides the user step-by-step through the validation process and user calibration (if necessary). -
Page 12: Glp
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. 6.2. GLP key to enter the menu. Use the functional keys to select GLP and Press the press Select. -
Page 13: Logging Data & Log Recall
6.3. LOGGING DATA & LOG RECALL The instrument features a data autolog function to help users keep track of all measurements. Every time a measurement is made, the data is automatically saved. The data log can hold 50 individual measurements. When the data log is full (50 data points), the meter will rewrite the oldest data point. -
Page 14: General Setup
6.4. GENERAL SETUP key to enter the menu. Use the functional keys to select Setup and Press the 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 key to return to the Setup decrease the value. - Page 15 Date Format Press Modify to change the date format. Use the functional keys to select the desired key to return to the Setup menu without format. Press Accept to confirm or the saving the new format. Decimal Separator Option: Comma ( , ) or Period ( . ) Press the functional key to select the desired decimal separator.
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Page 16: Reagents & Accessories
Reagents / Accessories and press Select to access a list of reagents and accessories. To exit press the key. 6.6. CONTEXTUAL HELP HI97779 offers an interactive contextual help mode that assists the user at any time. To access the help screen press the key. -
Page 17: 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: •... -
Page 18: Photometer
7. PHOTOMETER 7.1. COLLECTING & MEASURING SAMPLES AND REAGENTS Proper Use of Powder Packet 1. Use scissors to open the powder packet. 2. Push the edges of the packet to form a spout. 3. Pour out the content of the packet. Proper Use of Dropper Bottle 1. - Page 19 In order to avoid reagent leaking and to obtain more accurate measurements, close the cuvette first with the supplied HDPE plastic stopper and then the black cap. Whenever the cuvette is placed into the measurement holder, it must be dry outside and free of fingerprints, oil or dirt.
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Page 20: Method Procedure
8. METHOD PROCEDURE REQUIRED REAGENTS Code Description Quantity HI96779A-0 Chlorine Dioxide Reagent A 5 drops HI96779B-0 Chlorine Dioxide Reagent B 1 packet REAGENT SETS HI96779-01 Chlorine Dioxide Reagent - 100 tests HI96779-03 Chlorine Dioxide Reagent - 300 tests For other accessories see ACCESSORIES section. PRINCIPLE The reaction between the chlorine dioxide and DPD indicator causes a pink tint in the sample, the addition of glycine as a masking agent inhibits the response of free... - Page 21 MEASUREMENT PROCEDURE Note: If tutorial mode is disabled, follow the measurement procedure below. If the tutorial mode is enabled, press Measure and follow the messages on the screen. • Fill the cuvette with 10 mL of unreacted sample (up to 10 mL the mark).
- Page 22 • Remove the cuvette. • Add one packet of HI96779B-0 Chlorine Dioxide Reagent B. • Replace the plastic stopper and the cap. Shake gently for 20 seconds. • Insert the cuvette into the holder and ensure that the notch on the cap is positioned securely in the groove.
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Page 23: Warning & Error Descriptions
Ensure that the notch on the cap is positioned securely in the groove before performing any measurements. If the issue persists, please contact Hanna Instruments technical support. The sample and the zero cuvettes are inverted. Swap the cuvettes and repeat the measurement. - Page 24 English is the only available language. Help function is not available. Restart the 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.
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Page 25: Battery Replacement
HI977xx and 2 CAL Check cuvettes HI731318 cloth for wiping cuvettes (4 pcs.) HI731331 glass cuvette (4 pcs.) HI731336N cap for glass cuvette (4 pcs.) HI93703-50 cuvette cleaning solution (230 mL) ® HI97779-11 CAL Check standards for Chlorine Dioxide - cuvette kit... -
Page 26: Certification
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. - 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 MAN97779 Printed in ROMANIA...