Hanna Instruments HI 95721 - Manual (Page 2)

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PRELIMINARY EXAMINATION ................................................................................................ 3
GENERAL DESCRIPTION......................................................................................................... 4
ABBREVIATIONS................................................................................................................... 4
SPECIFICATIONS .................................................................................................................. 5
PRECISION AND ACCURACY ................................................................................................... 5
PRINCIPLE OF OPERATION .................................................................................................... 6
FUNCTIONAL DESCRIPTION ................................................................................................... 7
GUIDE TO DISPLAY CODES .................................................................................................... 9
GENERAL TIPS FOR AN ACCURATE MEASUREMENT .................................................................11
MEASUREMENT PROCEDURE ................................................................................................13
VALIDATION PROCEDURE .....................................................................................................15
CALIBRATION PROCEDURE ...................................................................................................16
BATTERY REPLACEMENT .......................................................................................................18
ACCESSORIES .....................................................................................................................18
DECLARATION OF CONFORMITY .....................................................................................19
WARRANTY .........................................................................................................................19
Dear Customer,
Thank you for choosing a Hanna product. This manual will provide you with the necessary information
for the correct use of the instrument. Please read it carefully before using the meter. If you need
additional technical information, do not hesitate to e-mail us at [email protected].
This instrument is in compliance with directives.
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent
of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895 , USA.
TABLE OF CONTENTS
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Recommendations for Users
Before using these products, make sure
that they are entirely suitable for your
specific application and for the
environment in which they are used.
Operation of these instruments may cause
unacceptable interferences to other
electronic equipments, this requiring the
operator to take all necessary steps to
correct interferences.
Any variation introduced by the user to
the supplied equipment may degrade the
instruments' EMC performance.
To avoid damages or burns, do not put
the instrument in microwave oven. For
yours and the instrument safety do not
use or store the instrument in hazardous
environments.
HI 95721 is warranted for two years against defects in workmanship and materials when used for its
intended purpose and maintained according to the instructions.
This warranty is limited to repair or replacement free of charge.
Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered.
If service is required, contact your dealer. If under warranty, report the model number, date of
purchase, serial number and the nature of the failure. 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 Customer Service Department and then send it with shipment costs prepaid. When
shipping any instrument, make sure it is properly packaged for complete protection.
To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date
of purchase.
WARRANTY
DECLARATION OF CONFORMITY
WARRANTY
HANNA instruments® reserves the right to modify the design, construction and appearance of its
products without advance notice.