Hanna Instruments HI 8711 - Manual (Page 2)

2
PRELIMINARY EXAMINATION .................................................................... 3
GENERAL DESCRIPTION ............................................................................ 3
MECHANICAL DIMENSIONS ...................................................................... 4
FUNCTIONAL DESCRIPTION HI 8510 ......................................................... 5
FUNCTIONAL DESCRIPTION HI 8512 ......................................................... 7
FUNCTIONAL DESCRIPTION HI 8710 ......................................................... 9
FUNCTIONAL DESCRIPTION HI 8711 ....................................................... 12
FUNCTIONAL DESCRIPTION HI 8720 ....................................................... 15
SPECIFICATIONS ................................................................................... 18
INITIAL PREPARATION ........................................................................... 21
OPERATIONAL GUIDE ............................................................................. 24
pH CALIBRATION ................................................................................... 28
pH VALUES AT VARIOUS TEMPERATURE .................................................. 30
pH DIAGNOSTIC TESTS ........................................................................... 31
ORP DIAGNOSTIC TESTS ......................................................................... 33
LED INDICATION .................................................................................... 34
TAKING REDOX MEASUREMENTS ............................................................ 35
ELECTRODE MAINTENANCE ..................................................................... 37
SUGGESTED INSTALLATIONS .................................................................. 40
ACCESSORIES ....................................................................................... 42
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.
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WARRANTY WARRANTY WARRANTY WARRANTY WARRANTY
HI 8510, HI 8512, HI 8710, HI 8711 and HI 8720 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.