Hanna Instruments hi 221223 User Manuals

Table of Contents

• WARRANTY

  2
• PRELIMINARY EXAMINATION

  3
• GENERAL DESCRIPTION

  3
• FUNCTIONAL DESCRIPTION

  4
• HI 221 SPECIFICATIONS

  5
• HI 223 SPECIFICATIONS

  6
• OPERATIONAL GUIDE

  7
• pH CALIBRATION

  9
• ENHANCED CALIBRATION MESSAGES

  12
• ELECTRODE CONDITION AND RESPONSE TIME

  14
• GOOD LABORATORY PRACTICE (GLP)

  15
• LOGGING

  18
• SETUP

  22
• TEMPERATURE CALIBRATION (FOR TECHNICAL PERSONNEL ONLY)

  25
• mV CALIBRATION (FOR TECHNICAL PERSONNEL ONLY)

  27
• PC INTERFACE

  28
• pH VALUES AT DIFFERENT TEMPERATURES

  30
• ELECTRODE CONDITIONING & MAINTENANCE

  31
• TROUBLESHOOTING GUIDE

  33
• TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS

  34
• ACCESSORIES

  36
• RECOMMENDATIONS FOR USERS

  39