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TABLE OF CONTENTS
PRELIMINARY EXAMINATION ................................................................... 3
GENERAL DESCRIPTION........................................................................... 3
FUNCTIONAL DESCRIPTION...................................................................... 4
SPECIFICATIONS ..................................................................................... 5
OPERATIONAL GUIDE .............................................................................. 6
CALIBRATION.......................................................................................... 8
TEMPERATURE CALIBRATION ................................................................. 10
ELECTRODE MAINTENANCE .................................................................... 12
BATTERY REPLACEMENT ........................................................................ 13
ACCESSORIES ....................................................................................... 14
WARRANTY........................................................................................... 15
CE DECLARATION OF CONFORMITY......................................................... 15
Dear Customer,
Thank you for choosing a Hanna product.
Please read this instruction manual carefully before using the meter.
This manual will provide you with the necessary information for a
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 tech@hannainst.com.
This instrument is in compliance with the directives.
Hanna Instruments reserves the right to modify the design, construction
and appearance of its products without advance notice.
HI 98402 measures fluoride from 0.05 mg/L to 1.9 g/L in 5 distinct
scales. With auto-ranging HI 98402 automatically selects the range
that provides the best resolution. All results are displayed directly in
fluoride concentration. In order to guarantee maximum repeatability,
measurements are performed using the HI 4010 fluoride specific
electrode and the separate HI 5313 reference electrode.
HI 98402 compensates for temperature automatically from 5 to 35°C
using the optional HI 7662 stainless steel temperature probe. The
temperature measured together with fluoride concentrations are dis-
played on the large LCD simultaneously.
All operations are microprocessor controlled for added precision and
simplicity. The calibration is automatic at one or two points.
The calibration points can be chosen among 1 mg/L (ppm), 2 mg/L,
10 mg/L, 100 mg/L and 1000 mg/L.
HI 98402 is supplied in a rugged carrying casing complete with 4
batteries, that provide up to 120 hours of continuous operation.
GENERAL DESCRIPTION
PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it
carefully to make sure that no damage has occurred during shipping.
If there is any noticeable damage, immediately notify your dealer.
Each meter is supplied complete with:
• Batteries (4 x 1.5V AA)
• Instruction manual
• Rugged carrying case
Note: Save all packing materials until you are sure that the instru-
ment functions correctly. Any damaged or defective item must
be returned in its original packing materials together with the
supplied accessories.