Hanna Instruments HI931, User Manual, Page: 168 / 218

Hanna Instruments reserves the right to modify the design, construction or appearance of its products without advance notice.
The HI931 is warranted for two years against defects in workmanship and materials when used for its intended
purpose and maintained according to instructions. Damage due to accidents, misuse, tampering or lack of
prescribed maintenance is not covered.
If service is required, contact your local Hanna Instruments Office. 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 (RGA) 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
Before using this product, make sure it is entirely suitable for your specific application and for the
environment in which it is used. Any variation introduced by the user to the supplied equipment
may degrade the meters’ performance. For yours and the meter’s safety do not use or store the
meter in hazardous environments.
Recommendations for Users