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 necessary information for
correct use of the instruments, as well as a precise idea of thier
versatility in a wide range of applications.
These instruments are in compliance with the directives.
TABLE OF CONTENTS
Preliminary Examination ............................................................ 3
General Description .................................................................... 3
Functional Description HI8931/HI943500 ................................... 5
Functional Description HI8936.................................................... 9
Conductivity Probes .................................................................. 12
Specifications HI8931 & HI943500 .......................................... 14
Specifications HI8936 .............................................................. 15
Connections .............................................................................. 16
Operational Guide ................................................................... 24
Calibration Procedure of
HI8931 & HI8936 with HI7635.............................................. 30
Calibration Procedure of
HI8931 & HI8936 with HI7638.............................................. 34
Calibration Procedure of
HI943500 with HI7638 .......................................................... 38
Conductivity Versus
Temperature Chart................................................................... 41
Diagnostic Tests........................................................................ 42
Installation Examples ............................................................... 44
Probe Maintenance and Cleaning ............................................ 46
Accessories ................................................................................ 47
Warranty................................................................................. 50
CE Declaration of Conformity ..................................................... 51