BARTINGTON INSTRUMENTSPage 2 of 18 OM2443/2Table of Contents1. Legal Notices 41.1. Copyright 41.2. Trademarks 42. How to Use this Manual 42.1. Symbols Glossary 42.2. Technical Specifications 43. Safe Use 54. Applicability 55. Compatible Magnetometers 56. Introduction to the PSU1 56.1 Summary 56.2. Functional Description 66.2.1. Power 66.2.2. Signal Buffering 66.2.3. Filtering 67. PSU1 Inputs, Outputs and Controls 77.1. Back Panel Connections and Controls 77.2. Front Panel Controls 88. Installing the PSU1 98.1. Installing and Replacing the Internal Batteries 98.2. Initial Charging of the Battery Cells 138.3. Location of the Equipment 138.3.1. Potentially Hazardous Locations 138.3.2. Orientation 138.3.3. Temperature 138.3.4. Proximity to Other Equipment 138.4. Connecting the Equipment 14