User Guide

TABLE OF CONTENTS
ISO 9000 Certified
Company since 1992
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 nec-
essary information for the correct use of the
instrument, as well as a precise idea of its
versatility in a wide range of applications.
This instrument is in compliance with
directives EN 50081-1 and EN 50082-1.
Preliminary Examination ............................. 1
General Description .................................... 1
Functional Description Probe...................... 3
Functional Description of HI964400 ............ 4
Specifications of HI964400 ......................... 6
LCD Functional Description ........................ 7
Operational Guide ....................................... 7
D.O. Calibration ........................................ 17
Temperature Calibration ............................ 21
Altitude Compensation.............................. 23
Salinity Compensation .............................. 25
Temperature Compensation ...................... 25
Logging Function ...................................... 26
Interface with PC ...................................... 30
Probe & Membrane Maintenance ............. 31
Additional Information ............................... 33
Accessories .............................................. 43
Warranty ................................................... 44
CE Declaration of Conformity ................... 45