Hanna Instruments HI 8521 - Manual (Page 2)

2
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