Hanna Instruments Work Light HI 9124 ユーザーズマニュアル
2
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 tech@hannainst.com or turn to the back cover for our
worldwide contact list.
These instruments are in compliance with directives.
WARRANTY
WARRANTY
WARRANTY
WARRANTY
WARRANTY
HI 9124 & HI 9125 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
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
If service is required, contact the dealer from whom you purchased the
instruments. 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 instruments are to be returned to Hanna Instru-
ments, 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 ........................................................... 4
SPECIFICATIONS........................................................................... 5
OPERATIONAL GUIDE.................................................................... 6
pH CALIBRATION ......................................................................... 9
pH BUFFER TEMPERATURE DEPENDENCE ....................................... 12
SETUP MENU ............................................................................. 13
mV CALIBRATION (HI 9125 only) ................................................ 14
TEMPERATURE CALIBRATION ....................................................... 14
BATTERY REPLACEMENT ............................................................... 14
LCD MESSAGE GUIDE .................................................................. 17
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ................ 18
ELECTRODE CONDITIONING & MAINTENANCE ................................ 19
TROUBLESHOOTING GUIDE ......................................................... 21
ACCESSORIES ............................................................................. 22
27
Hanna Instruments reserves the right to modify the design,
construction and appearance of its products without advance notice.
RECOMMENDATIONS FOR USERS
Before using these products, make sure they are entirely suitable for
the environment in which they are used.
Operation of these instruments in residential areas could cause
unacceptable interferences to radio and TV equipment, requiring the
operator to follow all necessary steps to correct interferences.
The glass bulb at the end of the pH electrode is sensitive to
electrostatic discharges. Avoid touching this glass bulb at all times.
During operation, ESD wrist straps should be worn to avoid possible
damage to the electrode by electrostatic discharges.
Any variation introduced by the user to the supplied equipment may
degrade the instruments’ EMC performance.
To avoid electrical shock, do not use these instruments when voltages
at the measurement surface exceed 24 VAC or 60 VDC.
To avoid damage or burns, do not perform any measurement in
microwave ovens.
the environment in which they are used.
Operation of these instruments in residential areas could cause
unacceptable interferences to radio and TV equipment, requiring the
operator to follow all necessary steps to correct interferences.
The glass bulb at the end of the pH electrode is sensitive to
electrostatic discharges. Avoid touching this glass bulb at all times.
During operation, ESD wrist straps should be worn to avoid possible
damage to the electrode by electrostatic discharges.
Any variation introduced by the user to the supplied equipment may
degrade the instruments’ EMC performance.
To avoid electrical shock, do not use these instruments when voltages
at the measurement surface exceed 24 VAC or 60 VDC.
To avoid damage or burns, do not perform any measurement in
microwave ovens.