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Dear Customer,
Thank you for choosing a Hanna Instruments Product.
Please read this instruction manual carefully before using these
instruments. This manual will provide you with the necessary information
for the correct use of these instruments, as well as a precise idea of
their versatility.
If you need additional technical information, do not hesitate to e-mail
us at tech@hannainst.com or view our worldwide contact list at
www.hannainst.com.
WARRANTY ................................................................................. 2
PRELIMINARY EXAMINATION ....................................................... 3
GENERAL DESCRIPTION ............................................................... 3
FUNCTIONAL DESCRIPTION ......................................................... 4
SPECIFICATIONS.......................................................................... 5
OPERATIONAL GUIDE .................................................................. 6
pH CALIBRATION ........................................................................ 8
pH BUFFER TEMPERATURE DEPENDENCE..................................... 10
ELECTRODE CONDITIONING AND MAINTENANCE .......................... 11
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ............ 14
ACCESSORIES ............................................................................ 15
ELECTRODE APPLICATION REFERENCE GUIDE ............................... 21
TABLE OF CONTENTS
HI 2209 and HI 22091 are guaranteed for two years against defects
in workmanship and materials when used for their 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 accident, misuse, tampering or lack of prescribed
maintenance are not covered.
If service is required, contact the dealer from whom you purchased the
instrument. 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 instrument is 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.
WARRANTY
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