Thermo Scientific Orion Star A325 Reference Guide - Geotech ...

Thermo Scientific Orion Star A215 Benchtop and Star A325 Portable pH/Conductivity MetersChapter 1 Introduction ..........................................................1Chapter 2 Meter Overview. ......................................................3Meter Connections and Inputs.......................................... 3Power Source ....................................3Electrodes and Other Connections....................4Connecting Electrode Arm to the Benchtop Meter........5Meter Display ........................................................ 6Meter Keypad......................................................... 7Meter Maintenance ................................................... 8Chapter 3 Meter Setup ..........................................................9Navigating the Setup Menu ............................................ 9Setup Menu Overview................................................. 9pH Channel Menu................................10COND Channel Menu.............................12Settings Menu...................................14View Log Menu..................................15Diagnostics Menu................................15Chapter 4 pH, RmV and ORP Calibration ..........................................17pH Calibration ....................................................... 17Calibration Editing................................18RmV Calibration ..................................................... 18ORP Calibration ..................................................... 19Chapter 5 Conductivity Calibration ..............................................21Automatic and Direct Calibration ...................................... 21Calibration Editing................................22Manual Conductivity Calibration. ...................................... 22Chapter 6 Temperature Calibration ..............................................23Chapter 7 Measurement. .......................................................25Chapter 8 Methods ............................................................27Saving the Current Meter Settings as a New Method..................... 27Loading an Existing Method........................................... 27Editing, Copying or Deleting an Existing Method......................... 28