Hanna Instruments HI 3512 - Manual (Page 2)

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Dear Customer,
Thank you for choosing a Hanna Instruments product.
Please read this instruction manual carefully before using this instrument.
This manual will provide you with the necessary information for correct use
of this instrument, 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.
The HI 3512 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 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 ................................................................................................................................ 2
PRELIMINARY EXAMINATION ....................................................................................................... 3
GENERAL DESCRIPTION ............................................................................................................... 3
FUNCTIONAL DESCRIPTION ........................................................................................................ 5
SPECIFICATIONS ........................................................................................................................ 7
OPERATIONAL GUIDE .............................................................................................................. 10
AUTO-RANGING EC CHANNEL .................................................................................................... 15
TEMPERATURE COMPENSATION EC CHANNEL ............................................................................. 16
CONDUCTIVITY VERSUS TEMPERATURE CHART ............................................................................ 17
USER CALIBRATION ................................................................................................................. 18
pH CALIBRATION .................................................................................................................... 19
pH BUFFER TEMPERATURE DEPENDENCE ................................................................................... 27
RELATIVE mV CALIBRATION ..................................................................................................... 28
ISE CALIBRATION ................................................................................................................... 29
EC CALIBRATION .................................................................................................................... 33
GOOD LABORATORY PRACTICE (GLP) .......................................................................................... 37
SETUP ................................................................................................................................... 40
LOGGING ................................................................................................................................ 55
mV CALIBRATION (for technical personnel only) ......................................................................... 58
TEMPERATURE CALIBRATION (for technical personnel only) .......................................................... 59
PC INTERFACE ........................................................................................................................ 61
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ............................................................... 71
ELECTRODE CONDITIONING & MAINTENANCE ............................................................................ 72
EC PROBE MAINTENANCE ........................................................................................................ 75
TROUBLESHOOTING GUIDE ..................................................................................................... 76
ACCESSORIES ......................................................................................................................... 77
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
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