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Summary of Contents for Hanna Instruments HI 84181
- Page 1 Instruction Manual HI 84181 ISE Potassium Meter w w w. h a n n a i n s t . c o m...
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Page 2: Table Of Contents
HI 84181-01 - 115 Vac power supply HI 84181-02 - 230 Vac power supply WARRA (NTY 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
PRELIMINARY EXAMINATION Please examine this product carefully. Make sure that the instrument is not damaged. If any damage occured during shipment, please notify your Dealer. Each HI 84181 instrument is supplied complete with: • Reagents set for 20 tests • One 2000 µL automatic pipette •... - Page 4 SIGNIFICANCE OF USE Potassium ion (K ) is absorbed in vine from earth. Unlike other essential nutrients potassium remains in ionic form and passes to the grapes. Potassium ion is by far the most important ion that can be found in wine with concentrations between 0.7-2 g/L (ppt) and is mostly deriving from grapes.
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Page 5: Specifications
SPECIFICATIONS Range 0.0 to 5.0 g/L (ppt) K Resolution 0.1 g/L (ppt) K Accuracy ±5% of reading (see note) Sample volume 50 mL Temperature Compensation Automatic from 0 to 80 °C Electrodes HI 61014 Potassium half cell HI 5315 Reference half cell Temperature Probe HI 7662-T (included) LOG feature... -
Page 6: Functional Description
FUNCTIONAL DESCRIPTION INSTRUMENT DESCRIPTION FRONT PANEL 1) Graphic LCD 2) Functional keys 3) Keypad 4) Electrode holder REAR PANEL 5) Potassium half cell 10) Temperature probe socket 6) Reference half cell 11) BNC electrode connector 7) Temperature probe 12) Power switch 8) Electrode holder 13) Fuse 9) Reference socket... -
Page 7: Start Up
KEYPAD DESCRIPTION 1) ESC - to leave the current screen and to return either to the previous screen or to the main screen. In the setup parameter modifying mode by pressing ESC the value is not modified. - to modify a parameter value, to scroll the information from the instrument’s setup 3) HELP - to access/leave the instrument’s contextual help - to modify a parameter value, to scroll the information from the instrument’s setup 5) Functional Keys... -
Page 8: Guide To Display Codes
GUIDE TO DISPLAY CODES During the instrument’s operation a series of informations are displayed on the LCD. 1) current time information area 2) instrument status area 3) functional keys area 4) stability criteria 5) stirrer and reading status area Icons from the stirrer and reading status area When the input reading is unstable. - Page 9 Pause screen Press Resume to continue the measurement process. Press Stir to start/stop the stirrer. Sample reading confirm screen (only if this feature is enabled in setup) Press CFM to memorize the reading. Wrong input error screen This screen is displayed if the current reading is out of ±2000mV range.
- Page 10 Setup screens While in the Setup menu it is possible to modify the instrument’s parameters. By pressing the keys it is possible to move between the Setup options. Each menu item displays the current option. Press HELP to view the contextual help. Stability criteria Options: Accurate, Medium, Fast.
- Page 11 Backlight Options: On-Off, 1 to 8 levels. Press Modify to access the backlight modify screen. Press / or / in order to increase/decrease the display’s backlight intensity. Press Accept to confirm the value or ESC to return to the Setup menu without saving. Contrast Options: 0 to 20.
- Page 12 Press or in order to select the desired date format. Press Accept to confirm the desired date format or ESC to return to the Setup menu without saving. Language Options: Up to four languages This option is used to change the instrument’s display language. Press the corresponding functional key in order to select the new option.
- Page 13 Recall screens Displays the list of all the memorised results. This list includes the record’s number, the concentration value, the concentration unit and the date. Press / to toggle between the stored records. Press More to view a complete set of data corresponding to the selected record.
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Page 14: Tips For An Accurate Measurement
TIPS FOR AN ACCURATE MEASUREMENT The instructions listed bellow should be carefully followed during analysis to ensure best accuracy. • Rinse the electrode pair with distilled or deionized water between samples, and blot dry with a lab wipe or other soft disponible absorbent toweling. •... - Page 15 • Use the 2000 µL automatic pipette to add exactly 2 mL of HI 84181-1 Standard when the meter asks for it. If the instrument is not in auto confirm mode, press READ to start next measurement step. • Wait until the reading is stable, CFM key displayed, if the “Reading confirm”...
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Page 16: Fuse Replacement
FUSE REPLACEMENT To change the fuse follow next steps: • Disconnect the power cord from the rear panel of the instrument. • Pull out the fuse holder located near the power cord connector. • Replace the fuse with a similar one. •... - Page 17 Preparation of reference electrode: • Unwrap Parafilm seal found over ceramic junction on inner stern of the reference electrod and discard. This is only used for shipping. • Rinse inner stern with deionized water making certain to wet o-ring found on the inner stern. •...
- Page 18 To avoid damages or burns, do not put the instrument in microwave ovens. For yours and the instrument’s safety do not use or store the instrument in hazardous environments. Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice.
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Page 19: Accessories
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 20 SALES AND TECHNICAL SERVICE CONTACTS SALES AND TECHNICAL SERVICE CONTACTS SALES AND TECHNICAL SERVICE CONTACTS SALES AND TECHNICAL SERVICE CONTACTS SALES AND TECHNICAL SERVICE CONTACTS Australia: Tel. (03) 9769.0666 • Fax (03) 9769.0699 China: Tel. (10) 88570068 • Fax (10) 88570060 Egypt: Tel.
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