User Guide

2
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, as well as a precise idea of its
versatility in a wide range of applications.
These instruments are in compliance with the
directives.
TABLE OF CONTENTS
Preliminary Examination............................ 3
General Description ................................... 3
Specifications of HI 8614 & HI 8614L ........ 5
Specifications of HI8615 & HI 8615L ........ 6
Terminal Board Connections ..................... 7
pH Calibration with Automatic Temperature
Compensation (HI8614 & HI8614L) .......... 9
pH Calibration with Manual Temperature
Compensation (HI 8614 & HI 8614L) ....... 13
ORP Calibration (HI 8615 & HI 8615L) .... 14
Electrode Conditioning and Maintenance.. 19
Temperature-Resistance Correlation for
HANNA pH Sensitive Glass .................... 23
Installation Procedure and Examples...... 25
Accessories .............................................. 28
Warranty .................................................. 34
CE Declaration of Conformity ................. 35