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Dear Customer,
Thank you for choosing a Hanna product.
Please read this instruction manual carefully before using the meter.
This manual will provide you with the necessary information for a
correct use of the instrument, as well as a precise idea of its versatility.
If you need additional technical information, do not hesitate to e-mail
us at tech@hannainst.com.
These instruments are in compliance with
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 DESCRIPTION ................................................................ 3
FUNCTIONAL DESCRIPTION HI 9812 ............................................ 4
SPECIFICATIONS HI 9812 ............................................................ 5
FUNCTIONAL DESCRIPTION HI 9813 ............................................ 6
SPECIFICATIONS HI 9813 ............................................................ 7
OPERATIONAL GUIDE ................................................................... 8
pH CALIBRATION ....................................................................... 10
EC/TDS CALIBRATION ................................................................. 11
pH VALUES AT VARIOUS TEMPERATURES ................................... 12
TEMPERATURE COMPENSATION .................................................. 13
EC/TDS COVERSION FACTOR ....................................................... 13
ELECTRODE CONDITIONING AND MAINTENANCE ........................... 14
ACCESSORIES ............................................................................. 16
BATTERY REPLACEMENT .............................................................. 18
WARRANTY ................................................................................ 18
CE DECLARATION OF CONFORMITY .............................................. 19
2
directives
ISO 9000 Certified
Company since 1992
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Table of Contents
