Hanna Instruments HI 9812 Instruction Manual Download Page 1

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Instruction Manual

HI 9812 - HI 9813

Portable

pH/EC/TDS Meters

h t t p : / / w w w . h a n n a i n s t . c o m

These Instruments are in

Compliance with the CE Directives

Summary of Contents for HI 9812

Page 1: ...Instruction Manual HI 9812 HI 9813 Portable pH EC TDS Meters h t t p w w w h a n n a i n s t c o m These Instruments are in Compliance with the CE Directives...

Page 2: ...e instruments are in compliance with directives EN 50081 1 and EN 50082 1 TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS PRELIMINARY EXAMINATION 3 GENERAL DE...

Page 3: ...L DESCRIPTION HI 9812 and HI 9813 are the most complete and versatile portable pH EC TDS meters ever manufactured Designed with utmost precision and simplicity these meters provide 3 kinds of measurem...

Page 4: ...9812 FUNCTIONAL DESCRIPTION HI 9812 FUNCTIONAL DESCRIPTION HI 9812 FUNCTIONAL DESCRIPTION HI 9812 1 LCD display 2 pH range selection key 3 S cm EC range selection key 4 EC TDS calibration knob 5 ON OF...

Page 5: ...n Manual 1 point through slope trimmer EC TDS Temperature Automatic from 0 to 50 C 32 to 122 F Compensation with a of 2 per degree C Electrode HI 1285 combination pH EC TDS electrode with temperature...

Page 6: ...9813 FUNCTIONAL DESCRIPTION HI 9813 FUNCTIONAL DESCRIPTION HI 9813 FUNCTIONAL DESCRIPTION HI 9813 1 LCD display 2 pH range selection key 3 mS cm EC range selection key 4 EC TDS calibration knob 5 ON O...

Page 7: ...ion ppm 2 f s mS cm 2 f s pH Calibration Manual 1 point through offset trimmer Offset Calibration 1 5 pH EC TDS Calibration Manual 1 point through slope trimmer EC TDS Temperature Automatic from 0 to...

Page 8: ...pages 10 and 11 for calibration procedures Turn the meter on by pressing the ON OFF key TAKING PH MEASUREMENTS If the electrode has been left dry soak the tip in a pH 7 or pH 4 buffer solution for a...

Page 9: ...to attain thermal equilibrium The display will then show the measurement auto matically temperature compensated for temperature with the appropriate indication among the following S symbol indicates...

Page 10: ...and HI 9813 to NBS standards use pH 6 86 HI 7006 or HI 8006 instead of pH 7 01 and pH 9 18 HI 7009 or HI 8009 instead of pH 10 01 PROCEDURE Switch the meter on after connecting the electrode and pres...

Page 11: ...is thus automatically calibrated PROCEDURE Pour approximately 4 cm 1 of a con ductivity calibration solution e g HI 7031 HI 8031 into a beaker If pos sible use plastic beakers to minimize any EMC int...

Page 12: ...00 4 00 4 01 4 02 4 03 4 04 4 05 4 06 4 07 4 09 4 11 4 12 6 98 6 95 6 92 6 90 6 88 6 86 6 85 6 84 6 84 6 83 6 83 6 84 6 84 6 85 6 85 7 13 7 10 7 07 7 04 7 03 7 01 7 00 6 99 6 98 6 98 6 98 6 98 6 98 6...

Page 13: ...ic motion The conductivity invariably increases with increasing temperature It is affected by the type and number of ions in the solution and by the viscosity of the solution itself Both parameters ar...

Page 14: ...ttom 4 cm 1 in the sample and stir gently for approx 30 seconds Light tapping of the electrode on the bottom of the beaker is sometimes necessary to eliminate air bubble trapped in the electrode tip t...

Page 15: ...he Cleaning Procedure above Dry Membrane Junction Soak in Storage Solution HI 70300 for at least 1 hour Drifting Soak the electrode tip in warm Hanna Solution HI 7082 for one hour and rinse tip with d...

Page 16: ...0 mL HI 7010M pH 10 01 Buffer Solution 230 mL HI 7010L pH 10 01 Buffer Solution 460 mL pH CALIBRATION SOLUTIONS IN FDA APPROVED BOTTLE HI 8004L pH 4 01 Buffer Solution 460 mL HI 8006L pH 6 86 Buffer S...

Page 17: ...anic Cleaning Solution 460 mL HI 7077M Oil Fat Cleaning Solution 230 mL HI 7077L Oil Fat Cleaning Solution 460 mL ELECTRODE CLEANING SOLUTIONS IN FDA APPROVED BOTTLE HI 8061M General Cleaning Solution...

Page 18: ...h shipping costs prepaid When shipping any instrument make sure it is properly packaged for complete protection To validate your warranty fill out and return the enclosed warranty card within 14 days...

Page 19: ...rode is sensitive to electrostatic discharges Avoid touching this metal band all the times The glass bulb at the end of the electrode is sensitive to electrostatic discharges Avoid touching this glass...

Page 20: ...TERATURE HANNA LITERATURE LAB RECORDING WATER ANALYSIS HANDBOOK ENVIROCARE GENERAL CATALOG These and many others catalogs handbooks and leaflets are avail able from Hanna To receive your free copy con...