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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 the necessary information for 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
[email protected] or see the back cover for our worldwide contact list.
This instrument is in compliance with the directives.
WARRANTY
WARRANTY
WARRANTY
WARRANTY
WARRANTY
HI 8424NEW is guaranteed for two years
against defects in workmanship and
materials when used for its intended purpose and maintained according to
instructions.
Electrodes and probes are guaranteed for six months
.
This
warranty is limited to repair or replacement free of charge. Damage due to
accidents, misuse, tampering or lack of prescribed maintenance is not covered. If
service is required, contact the dealer from whom you purchased the instru-
ment. If under warranty, report the model number, date of purchase, serial
number and the nature of the problem. If the repair is not covered by the
warranty, you will be notified of the charges incurred. If the instruments are to
be returned to Hanna Instruments, first obtain a Returned Goods Authorization
number from the Technical Service department and then send it with shipping
costs prepaid. When shipping any instrument, make sure it is properly packed
for complete protection.
TABLE OF CONTENTS
TABLE OF CONTENTS
TABLE OF CONTENTS
TABLE OF CONTENTS
TABLE OF CONTENTS
PRELIMINARY EXAMINATION ....................................................................... 3
GENERAL DESCRIPTION ............................................................................... 3
FUNCTIONAL DESCRIPTION ......................................................................... 4
SPECIFICATIONS......................................................................................... 5
OPERATIONAL GUIDE .................................................................................. 6
pH CALIBRATION ....................................................................................... 9
pH BUFFER TEMPERATURE DEPENDENCE ..................................................... 11
MENU SELECTION ..................................................................................... 12
mV CALIBRATION ..................................................................................... 13
TEMPERATURE CALIBRATION ..................................................................... 13
BATTERY RECHARGE AND REPLACEMENT ...................................................... 14
LCD MESSAGES AND TROUBLESHOOTING ................................................... 15
ELECTRODE CONDITIONING & MAINTENANCE .............................................. 16
ACCESSORIES ........................................................................................... 19
pH ELECTRODE APPLICATION REFERENCE GUIDE .......................................... 25
CE DECLARATION OF CONFORMITY ............................................................. 19
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All rights are reserved. Reproduction in whole or in part is prohibited without the written consent
of the copyright owner.
Hanna Instruments reserves the right to modify the design, construction and
appearance of its products without advance notice.
