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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 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] or view our worldwide contact list at
www.hannainst.com.
W A R R A N T Y
W A R R A N T Y
W A R R A N T Y
W A R R A N T Y
W A R R A N T Y
HI 2212
,
HI 2213
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 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 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
WARRANTY ............................................................................................. 2
PRELIMINARY EXAMINATION ...................................................................... 3
GENERAL DESCRIPTION ............................................................................ 3
FUNCTIONAL DESCRIPTION
HI 2212
AND
HI 2213 ....................................
4
HI 2212
AND
HI 2213
SPECIFICATIONS ................................................... 5
OPERATIONAL GUIDE ................................................................................ 6
pH CALIBRATION ...................................................................................... 8
pH BUFFER TEMPERATURE DEPENDENCE ................................................. 13
GOOD LABORATORY PRACTICE (GLP) ........................................................ 14
SETUP .................................................................................................. 17
TEMPERATURE CALIBRATION (for technical personnel only) .......................... 20
mV CALIBRATION (for technical personnel only) .......................................... 22
RELATIVE mV CALIBRATION (
HI 2213
) .................................................... 23
ELECTRODE CONDITIONING & MAINTENANCE ............................................. 24
TROUBLESHOOTING GUIDE ..................................................................... 27
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ............................. 28
ACCESSORIES ........................................................................................ 29