
Table of Contents
Chapter 1.......................................................................................................................6
Meter Introduction........................................................................................................6
Meter Overview............................................................................................................................6
Packing List.................................................................................................................................8
Intended Use...............................................................................................................................9
Chapter 2.....................................................................................................................10
Meter Basics...............................................................................................................10
Installing Batteries.....................................................................................................................10
Using the Universal Power Adapter (Optional Power Source)...................................................11
Portable Meter Accessories.......................................................................................................12
Orion Star A Series Portable Meter Armor.......................................................................12
Orion Star A Series PortableMeter Field Case................................................................13
Meter Connections.....................................................................................................................14
Meter Keypad............................................................................................................................17
Function Keys ..................................................................................................................18
Meter Display.............................................................................................................................19
Measurement Display Icons.............................................................................................21
pH Electrode Condition Icon.............................................................................................22
Meter Models and Measurement Capabilities............................................................................23
Meter Maintenance....................................................................................................................23
Chapter 3.....................................................................................................................24
Meter Setup Menus.....................................................................................................24
Main Setup Menu.......................................................................................................................24
General Setup Menu Navigation......................................................................................24
Channel-Specific Method, Mode and Temperature Menus........................................................28
Method Menu...................................................................................................................29
Mode and Settings Menu.................................................................................................32
Temperature Menu...........................................................................................................46
Instrument Settings Setup Menu................................................................................................51
Log View Menu..........................................................................................................................52
Data Log...........................................................................................................................52
Calibration Log.................................................................................................................53
Diagnostics Menu......................................................................................................................54
Meter Self Test Procedure...............................................................................................54
Electrode Stability Test Procedure...................................................................................55
Chapter 4.....................................................................................................................56
Using the pH or pH/ISE Channel...............................................................................56
Meter and Electrode Preparation...............................................................................................56
pH Calibration Procedure ..........................................................................................................57
pH Calibration Editing.......................................................................................................58
ORP Calibration Procedure (Relative mV Mode).......................................................................59
ORP Calibration Procedure (EHUnits).......................................................................................60
ISE Calibration Procedure.........................................................................................................61
ISE Calibration Editing.....................................................................................................62
Measurement Procedure...........................................................................................................63