TESTO 755-1, Instruction Manual

Page: 2 / 14

1 Contents
2
1 Contents
1 Contents ........................................................................ 2
2 Observe prior to use! ................................................... 3
3 Safety instructions ....................................................... 3
4 Intended use ................................................................. 4
5 Technical data .............................................................. 5
6 Overview ....................................................................... 7
6.1. Display and control elements ........................... 7
6.2. Explanation of icons ......................................... 8
7 Operating the instrument ............................................ 9
7.1. Switching the instrument on ............................. 9
7.2. Switching measuring point illumination on/off .. 9
7.3. Switching the instrument off ............................. 9
8 Carrying out a test........................................................ 9
8.1. Preparing the test ............................................. 9
8.2. Voltage testing ............................................... 10
8.3. Single pole phase testing (only testo 755-2) .. 10
8.4. Current measurement .................................... 10
8.5. Continuity/resistance testing .......................... 10
8.6. Rotating magnetic field direction detection
(only testo 755-2) .................................................. 11
9 Service and maintenance .......................................... 11
9.1. Replacing the batteries .................................. 11
9.2. Maintenance................................................... 11
9.3. Storage .......................................................... 11
9.4. Cleaning ......................................................... 11
10 Protecting the environment ..................................... 12