User's Manual

Dear Customer,

Thank you for choosing a Hanna Instruments Product.

Please read this instruction manual carefully before using the instru-

ment.

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 CSA, UL and (EN

50081-1 and EN 50082-1) directives.

PRELIMINARY EXAMINATION 3

GENERAL DESCRIPTION 3

FUNCTIONAL DESCRIPTION AND SPECIFICATIONS:

HI8417 5

HI8519 8

HI8520 10

HI8521 12

OPERATIONAL GUIDE 14

PH CALIBRATION 18

PROCEDURE FOR HI8417 18

PROCEDURE FOR HI8519 20

PROCEDURE FOR HI8520/HI8521 21

CAL. W/ MANUAL TEMP. COMPENSATION 22

PH VALUES AT VARIOUS TEMPERATURE 23

TEMPERATURE CALIBRATION 23

TROUBLESHOOTING GUIDE 24

ELECTRODE CONDITIONING & MAINTENANCE 25

TEMPERATURE-RESISTANCE CORRELATION

FOR HANNA PH SENSITIVE GLASS 28

ACCESSORIES 30

ELECTRODE APPLICATION REFERENCE GUIDE 37

WARRANTY 38

CE DECLARATION OF CONFORMITY 39

TABLE OF CONTENTS

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Company since 1992