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Related Manuals for Hanna Instruments HI97727
Summary of Contents for Hanna Instruments HI97727
- Page 1 HI97727 Color of Water Photometer...
- Page 2 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
1. PRELIMINARY EXAMINATION ................ 2. SAFETY MEASURES ..................3. SPECIFICATIONS ..................4. ABBREVIATIONS ..................5. DESCRIPTION ....................5.1. GENERAL DESCRIPTION AND INTENDED USE ........... 5.2. FUNCTIONAL DESCRIPTION ..............5.3. PRECISION AND ACCURACY ..............5.4. PRINCIPLE OF OPERATION ..............5.5. OPTICAL SYSTEM .................. 6. -
Page 4: Preliminary Examination
• 1.5V AA Alkaline batteries • Instruction manual • Meter quality certificate • CAL Check standard certificate Each HI97727 is supplied with: • Sample cuvette (2 pcs.) • Sample cuvette cap (2 pcs.) • Plastic stopper (2 pcs.) • 1.5V AA Alkaline batteries •... -
Page 5: Specifications
3. SPECIFICATIONS Range 0 to 500 PCU (Platinum Cobalt Units) Resolution 1 PCU Accuracy ±10 PCU ±5% of reading at 25 °C Color of Water Adaptation of the Standard Methods for the Examination of Water and Method Wastewater, 18th edition, Colorimetric Platinum Cobalt method Light source Light Emitting Diode... -
Page 6: Description
5. DESCRIPTION 5.1. GENERAL DESCRIPTION AND INTENDED USE HI97727 is an auto‑diagnostic portable meter that benefits from Hanna’s years of experience as a manufacturer of analytical instruments. It has an advanced optical system that uses a Light Emitting Diode (LED) and a narrow band interference filter that allows for accurate and repeatable readings. -
Page 7: 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 keys to perform the function displayed above them on the LCD. Press and hold to power off/on. -
Page 8: Precision And Accuracy
5.3. PRECISION AND 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. -
Page 9: Optical System
5.5. OPTICAL SYSTEM Instrument Block Diagram The internal reference system (reference detector) of the HI97727 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 10: General Operations
6. GENERAL OPERATIONS 6.1. METER VALIDATION: CAL CHECK / CALIBRATION Validation of the HI97727 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 11: Glp
6. When the CAL Check is complete the display will show one of the following messages and the value obtained during the measurement: ‑ “PASSED“: The measured value is within the accuracy specification, no user calibration is required. ‑ “OUT OF SPECIFICATION“ and the Calibration key is available: The measured value is near the expected value. -
Page 12: 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 50 measurements are full and there is no deleted data, the meter will rewrite the oldest log. -
Page 13: General Setup
6.4. GENERAL SETUP key to enter the menu. Use the keys to select Setup and press Press the Select. Use the keys to highlight desired option. Backlight Values: 0 to 100 % Press the Modify key to access the backlight intensity. Use the ... - Page 14 Date Format Press the Modify key to change the date format. Use the keys to select the desired format. Press the Accept key to confirm or the key to return to the Setup menu without saving the new format.
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Page 15: Contextual Help
Press the Select key to reset to factory settings. Press Accept to confirm or Cancel to exit without restoring the factory settings. 6.5. CONTEXTUAL HELP HI97727 offers an interactive contextual help mode that assists the user at any time. To access the help screen press the key. -
Page 16: Collecting And Measuring Samples
7. COLLECTING AND MEASURING SAMPLES In order to avoid 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. -
Page 17: Method Procedure
8. METHOD 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 first cuvette (#1) up to the mark with 10 mL deionized water and replace the cap. - Page 18 • Filter 10 mL of sample through a filter with a 0.45 µm membrane into the third cuvette (#3), up to the 10 mL mark and replace the plastic stopper and the cap. This is the true color. 10 mL •...
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Page 19: Error Descriptions
9. ERROR DESCRIPTIONS The instrument shows clear warning messages when erroneous conditions appear and when measured values are outside the expected range. These messages are described below. No Light: The light source is not functioning properly. Light Leak: There is an excess amount of ambient light reaching the detector. -
Page 20: Battery Replacement
10. BATTERY REPLACEMENT To replace the instrument’s batteries, follow these steps: • Turn the instrument off by pressing and holding the key. • Remove the battery cover by turning it counterclockwise. • Remove the old batteries, replace them with three new 1.5V AA batteries. •... -
Page 21: Accessories
(4 pcs.) HI740227 filter assembly HI740228 filter discs (25 pcs.) HI7101412 blue carrying case for HI977XX ISM /w 2 CAL‑CHECK HI93703‑50 cuvette cleaning solution (230 mL) HI97727‑11 CAL Check standards for color of water ‑cuvette kit ®... -
Page 22: Certification
Certification All Hanna Instruments conform to the CE European Directives. Disposal of Electrical & Electronic Equipment. The product should not be treated as household waste. Instead hand it over to the appropriate collection point for the recycling of electrical and electronic equipment which will conserve natural resources. -
Page 23: Warranty
(engraved on the bottom of the meter) and the nature of the problem. If the repair is not covered by the warranty, you will be notified of the charges incurred. 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. - Page 24 World Headquarters Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA www.hannainst.com Local Office Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA Phone: 800.426.6287 Fax: 401.765.7575 e‑mail: tech@hannainst.com MAN97727...
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