User Guide

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
necessary information for the correct use of
the instrument, as well as a more precise idea
of its versatility in a wide range of applications.
These instruments are in compliance with the
directives EN 50081-1 and EN 50082-1.
ISO 9000 Certified
Company since 1992
TABLE OF CONTENTS
Preliminary Examination ............................. 1
General Description .................................... 1
LCD Display Functional Description ........... 2
Functional Description ................................ 3
Specifications ............................................. 4
Operational Guide ....................................... 5
pH Calibration Procedure .......................... 14
pH Values at Various Temperature .......... 19
Temperature Calibration ............................ 20
Logging Function (HI931300 only) ............ 23
Data Transfer to PC.................................. 25
Fault Functions ........................................ 26
Memory Organization ............................... 27
Electrode Conditioning and Maintenance . 28
Battery Replacement ................................ 32
Temperature-Resistance Correlation for
HANNA pH sensitive glass ....................... 33
Accessories .............................................. 35
Electrode Application Reference Guide .... 43
Warranty ................................................... 44
CE Declaration of Conformity ................... 45