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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 all the neces-
sary information for the correct use of the
instrument.
If you need additional technical information,
do
not
hesitate
tech@hannainst.com
This instrument is in compliance with the CE
directives.
TABLE OF CONTENTS
Preliminary Examination ............................. 3
General Description .................................... 3
Functional Description (Probe) ................... 4
Functional Description (Meter) .................... 5
Specifications ............................................. 6
Probe Initial Preparation ............................. 7
Dissolved Oxygen Calibration ..................... 9
Temperature Calibration ............................ 15
Taking Measurements .............................. 16
Probe & Membrane Maintenance ............. 17
Battery Replacement ................................ 19
Accessories .............................................. 20
Warranty ................................................... 21
CE Declaration of Confirmity .................... 22
to
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2
PRELIMINARY EXAMINATION
Remove the instrument from the packing ma-
terial and examine it to make sure that no
damage has occurred during shipping. If there
is any damage, notify your Dealer.
Each meter is supplied complete with:
•
HI 76401 DO probe
•
Spare membrane with O-ring (2 pcs)
•
Protective cap
•
HI 7041S electrolyte solution (30 mL)
•
Calibration screwdriver
•
9V battery (1 pc)
•
Instructions
Note: Save all packing material until you are
sure that the instrument functions
correctly. All defective items must be
returned in the original packaging with
the supplied accessories.
GENERAL DESCRIPTION
HI 8043 is a portable meter for Dissolved
Oxygen measurements.
It is housed in a lightweight case, with an
easy-to-read LCD.
Dissolved oxygen and temperature measure-
ments can be performed in the field (waste-
water treatment, fish-farming, water analysis,
etc.) as well as in the laboratory without
compromising accuracy.
Dissolved oxygen is indicated in mg/L (ppm)
and the reading is compensated for the tem-
perature effect (ATC).
The dissolved oxygen probe is provided with
a membrane for covering the polarographic
sensors, and features a built-in thermistor for
temperature measurements and compensa-
tion.
3
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