Hanna Instruments HI 2221 - Manual (Page 2)

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TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS
WARRANTY ............................................................................................. 2
PRELIMINARY EXAMINATION ...................................................................... 3
GENERAL DESCRIPTION ............................................................................ 3
FUNCTIONAL DESCRIPTION ........................................................................ 4
HI 2221 SPECIFICATIONS ........................................................................ 5
HI 2223 SPECIFICATIONS ........................................................................ 6
OPERATIONAL GUIDE ................................................................................ 7
pH CALIBRATION ...................................................................................... 9
ENHANCED CALIBRATION MESSAGES ........................................................ 14
ELECTRODE CONDITION & ELECTRODE RESPONSE TIME ............................ 16
pH BUFFER TEMPERATURE DEPENDENCE ................................................. 17
GOOD LABORATORY PRACTICE (GLP) ........................................................ 18
LOGGING .............................................................................................. 21
SETUP .................................................................................................. 24
TEMPERATURE CALIBRATION (for technical personnel only) .......................... 27
mV CALIBRATION (for technical personnel only) .......................................... 29
PC INTERFACE ....................................................................................... 30
ELECTRODE CONDITIONING & MAINTENANCE ............................................. 34
TROUBLESHOOTING GUIDE ..................................................................... 37
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ............................. 38
ACCESSORIES ........................................................................................ 39
RECOMMENDATIONS FOR USERS ............................................................. 43
WARRANTY WARRANTY WARRANTY WARRANTY WARRANTY
HI 2221 and HI 2223 are guaranteed for two years against defects in
workmanship and materials when used for their intended purpose and
maintained according to instructions. The electrodes and the probes are
guaranteed for a period of six months. This warranty is limited to repair
or replacement free of charge.
Damage due to accidents, 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 packaged for complete protection.
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 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 [email protected].