1 Contents
2
1 Contents
1 Contents ........................................................................ 2
2 Observe prior to use! ................................................... 3
3 Safety instructions ....................................................... 3
4 Intended use ................................................................. 3
5 Technical data .............................................................. 4
5.1. Voltage testing ................................................. 4
5.2. Single-pole phase testing ................................. 4
5.3. Rotary field direction detection ......................... 5
5.4. Continuity testing .............................................. 5
5.5. General technical data ..................................... 5
6 Overview ....................................................................... 6
6.1. Display and control elements ........................... 6
6.2. Explanation of icons ......................................... 7
7 Operating the instrument ............................................ 7
7.1. Switching the instrument on ............................. 7
7.2. Switching the measuring point illumination
on/off (only testo 750-2 / -3) .................................... 8
8 Carrying out a test ....................................................... 8
8.1. Preparing the test ............................................. 8
8.2. Voltage testing ................................................. 8
8.3. Voltage testing with RCD/FI trip test (only testo
750-2 / -3) ............................................................... 9
8.4. Single-pole phase testing ................................. 9
8.5. Continuity testing .............................................. 9
8.6. Determining the rotary field direction ................ 9
9 Service and maintenance .......................................... 10
9.1. Replacing the batteries .................................. 10
9.2. Maintenance................................................... 10
9.3. Storage .......................................................... 10
9.4. Cleaning ......................................................... 10
10 Protecting the environment ..................................... 10