VWR PH20 Manuals

EN PH20 pH Tester Operating manual European catalogue number: EU connection: 662-2283 Version: 1.0 Issued: 07.01.2019 Table of contents 2 / 33 B-H86.0.11.DB201-1.0 Table of contents 1 Legal address of the manufacturer...................................................................................................  4 2 About this documentation .................................................................................................................  5 2.1 Foreword...............................................................................................................................................  5 2.2 Purpose of the document......................................................................................................................  5 2.3 Warranty ...............................................................................................................................................  5 2.4 Compliance with local laws and other legal regulations .......................................................................  5 2.5 Correctness of content..........................................................................................................................  6 2.6 Layout of this document........................................................................................................................  6 2.7 Further information ...............................................................................................................................  6 3 Safety...................................................................................................................................................  8 3.1 Explanation of safety symbols ..............................................................................................................  8 3.2 Foreseeable misuse .............................................................................................................................  8 3.3 Safety instructions ................................................................................................................................  9 3.4 Intended use.......................................................................................................................................  10 3.5 Qualified personnel.............................................................................................................................  10 4 Description........................................................................................................................................  11 4.1 Scope of delivery ................................................................................................................................  11 4.2 Job description....................................................................................................................................  11 5 The product at a glance ...................................................................................................................  12 5.1 The PH20............................................................................................................................................  12 5.2 Display elements ................................................................................................................................  12 5.3 Operating elements ............................................................................................................................  12 5.4 Connections........................................................................................................................................  13 6 Bases for measurement...................................................................................................................  14 6.1 pH measurement ................................................................................................................................  14 6.1.1 Explanation.........................................................................................................................................  14 6.1.2 pH electrode .......................................................................................................................................  14 6.1.3 Design.................................................................................................................................................  14 6.1.4 Further information .............................................................................................................................  15 6.1.5 Choosing a pH electrode ....................................................................................................................  15 6.1.6 Care and maintenance .......................................................................................................................  15 7 Maintenance......................................................................................................................................  17 7.1 Operating and maintenance notices...................................................................................................  17 7.2 Battery ................................................................................................................................................  17 7.2.1 Battery indicator..................................................................................................................................  17 7.2.2 Changing battery ................................................................................................................................  18 7.3 Calibration and adjustment.................................................................................................................  19 7.3.1 pH calibration......................................................................................................................................  19 8 Operation...........................................................................................................................................  23 8.1 Commissioning ...................................................................................................................................  23 8.1.1 Explanation.........................................................................................................................................  23 8.2 Configuration ......................................................................................................................................  23 8.2.1 Explanation.........................................................................................................................................  23 8.2.2 Opening the configuration menu.........................................................................................................  23 Table of contents B-H86.0.11.DB201-1.0 3 / 33 8.2.3 Configuring parameters of the configuration menu.............................................................................  24 8.2.4 Adjustment of the measuring input .....................................................................................................  25 9 Error and system messages............................................................................................................  27 10 Disposal.............................................................................................................................................  29 11 Technical data...................................................................................................................................  30 12 Service...............................................................................................................................................  31 12.1 Online resources.................................................................................................................................  31 12.2 Sales partners.....................................................................................................................................  32