Table of contents
Testboy
®
TV 431
21
ENG
LI
SH
ENG
LI
SH
Table of contents
Information
23
Safety information
23
General safety notes
23
Safety
26
Instrument description
27
Fore side
27
Display
27
Display of messages
29
Buttons on the device
30
Rotary switch
30
Connection sockets
31
Functional description
31
Special functions
31
Automatic shut-down
31
Data hold function
31
Relative measurement
31
Locking the Test button for the insulation test
32
Saving measurement data
32
Displaying measurement data
32
Deleting data
32
Comparison function
32
Time function
33
The highest, lowest and average value
34
Differential Absorption Ratio (DAR) and polarization index (PI)
34