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Dear Customer,
Thank you for choosing a Hanna Instruments Product.
Please read this instruction manual carefully before using the
instrument.
This manual will provide you with all the necessary information for
the correct use of the instrument, as well as a precise idea of its
versatility in a wide range of applications.
These instruments are in compliance with
directives EN 50081-
1 and EN 50082-1.
PRELIMINARY EXAMINATION ..................................................................... 3
GENERAL DESCRIPTION ........................................................................... 3
FUNCTIONAL DESCRIPTION HI9224 .......................................................... 4
FUNCTIONAL DESCRIPTION HI92240 ........................................................ 5
SPECIFICATIONS .................................................................................. 6
LCD FUNCTIONAL DESCRIPTION ................................................................ 7
INITIAL PREPARATION .............................................................................. 7
OPERATIONAL GUIDE ............................................................................... 8
TAKING PH MEASUREMENTS ................................................................. 12
TAKING TEMPERATURE MEASUREMENTS ................................................ 12
PH CALIBRATION PROCEDURE ............................................................... 13
PRINTING / RECORDING WITH HI 9224 ................................................. 17
PRINTING / LOGGING WITH HI 92240 ................................................... 19
DATA TRANSFER TO PC ......................................................................... 25
FAULT FUNCTIONS ............................................................................... 26
MEMORY ORGANIZATION ...................................................................... 26
PRINTER MAINTENANCE ....................................................................... 27
ELECTRODE CONDITIONING AND MAINTENANCE ...................................... 29
BATTERY REPLACEMENT ....................................................................... 32
TEMPERATURE-RESISTANCE CORRELATION
FOR HANNA PH SENSITIVE GLASS .......................................................... 33
ACCESSORIES ...................................................................................... 35
ELECTRODE APPLICATION REFERENCE GUIDE .......................................... 41
WARRANTY ......................................................................................... 42
CE DECLARATION OF CONFORMITY ........................................................ 43
ISO 9000 Certified
Company since 1992
TABLE OF CONTENTS