Hanna Instruments HI 99121 User Manual

Page 2

PRELIMINARY EXAMINATION

Remove the test kit from the packing material and examine it
carefully to make sure that no damage has occurred during
shipping. If there is any damage, immediately notify your dealer.
Each kit includes:

• HI 99121

portable pH meter

• HI 1292D

pH electrode

• pH 4.01 & pH 7.01 buffer solutions (20 mL each)
• HI 700663 cleaning solution for inorganic soil deposits
• HI 700664 cleaning solution for organic soil deposits
• HI 7051M soil preparation solution
• HI 721319 ground auger
• 3 x 1.5V AA alkaline batteries
• instruction manual
• rugged carrying case

Note: Save all packing material until you are sure that the

instrument functions correctly. All defective items must
be returned in the original packing with the supplied
accessories.

Dear Customer,

Thank you for choosing a HANNA instruments

product.

Please read this instruction manual carefully before using the
instrument. This manual will provide you with the necessary
information for correct use of the instrument, as well as a more
precise idea of its versatility.

If you need additional technical information, do not hesitate to e-
mail us at [email protected].

This instrument is in compliance with the directives.

WARRANTY

All Hanna Instruments meters are warranted for two years against
defects in workmanship and materials when used for their intended
purpose and maintained according to instructions. The probes are
warranted for a period of six months.
This warranty is limited to repair or replacement free of charge.
Damage due to accidents, misuse, tampering or lack of prescribed
maintenance are 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.
First obtain a Returned Goods Authorization number from the Cus-
tomer Service department, then return the instrument with the
Authorization number included along with shipment costs prepaid.
If the repair is not covered by the warranty, you will be notified of
the charges. When shipping any instrument, make sure it is properly
packaged for complete protection.

TABLE OF CONTENTS

PRELIMINARY EXAMINATION ........................................... 3
WARRANTY ......................................................................... 3
SOIL pH ............................................................................... 4
ORGANIC SUBSTRATE ...................................................... 8
IRRIGATION WATER ........................................................... 8
NUTRIENT SOLUTION ........................................................ 8
pH METER SPECIFICATIONS ........................................... 11
OPERATING THE pH METER ........................................... 12
pH MEASUREMENT & CALIBRATION .............................. 13
METER SETUP ................................................................... 14
ELECTRODE CLEANING ................................................... 15
BATTERY REPLACEMENT ................................................ 15