Hanna Instruments HI 98188 - Manual (Page 2)

2
WARRANTY WARRANTY WARRANTY WARRANTY WARRANTY
Dear Customer,
Thank you for choosing a Hanna Instruments product.
Please read this instruction manual carefully before using the instruments.
This manual will provide you with the necessary information for correct use of
the 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] or turn to the back cover for our worldwide contact list.
These instruments are in compliance with directives.
The HI 98188 is 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 accidents, misuse, tampering or lack of prescribed maintenance
is 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 Authori-
zation 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
WARRANTY .......................................................................................................................................... 2
PRELIMINARY EXAMINATION ................................................................................................................. 3
GENERAL DESCRIPTION ......................................................................................................................... 4
FUNCTIONAL DESCRIPTION .................................................................................................................. 5
SPECIFICATIONS .................................................................................................................................. 7
OPERATIONAL GUIDE ........................................................................................................................... 9
AUTORANGING ................................................................................................................................... 14
TEMPERATURE COMPENSATION ........................................................................................................... 15
CONDUCTIVITY VERSUS TEMPERATURE CHART ....................................................................................... 16
USP MEASUREMENT .......................................................................................................................... 17
USP MODE PROCEDURES .................................................................................................................... 21
USER CALIBRATION ............................................................................................................................ 25
GOOD LABORATORY PRACTICE (GLP) ..................................................................................................... 33
SETUP .............................................................................................................................................. 35
LOG ON DEMAND .............................................................................................................................. 47
AUTOLOG ......................................................................................................................................... 50
AutoEnd ............................................................................................................................................ 52
TEMPERATURE CALIBRATION (for technical personnel only) ..................................................................... 53
PC INTERFACE ................................................................................................................................... 56
BATTERIES RECHARGING/REPLACEMENT ................................................................................................ 63
TROUBLESHOOTING GUIDE ................................................................................................................ 65
PROBE MAINTENANCE ........................................................................................................................ 66
ACCESSORIES .................................................................................................................................... 67