Hanna Instruments HI 720 Series - Manual (Page 2)

2 3
TABLE OF CONTENTS
WARRANTY ..................................................................................................... 4
PRELIMINARY EXAMINATION ............................................................................ 5
MODEL IDENTIFICATION .................................................................................. 5
GENERAL DESCRIPTION & THEORY OF OPERATION .......................................... 6
SPECIFICATIONS .............................................................................................. 9
FUNCTIONAL DESCRIPTION ........................................................................... 10
INSTALLATION ................................................................................................ 12
OPERATIONAL GUIDE .................................................................................... 14
• SETUP MODE .......................................................................................... 14
• CALIBRATION MODE ............................................................................... 34
• CONTROL MODE .................................................................................... 37
• IDLE MODE ............................................................................................. 43
• LAST CALIBRATION DATA VIEWING MODE ................................................. 43
• DIAGNOSTIC MODE ............................................................................... 44
TEMPERATURE COMPENSATION ..................................................................... 46
CONCENTRATION CURVES ............................................................................ 48
HOLD MODE ................................................................................................ 50
IN-LINE CLEANING ........................................................................................ 52
COMMUNICATION ........................................................................................ 54
• PC COMMUNICATION ............................................................................ 54
• SHORT MESSAGING SERVICE (SMS) .......................................................... 67
• MODEM CONNECTION .......................................................................... 71
ERRORS - FAULT CONDITIONS ....................................................................... 73
ALARM - ERROR CONFIGURATION ................................................................. 74
SELFTEST PROCEDURES .................................................................................. 77
ACCESSORIES ................................................................................................ 80