User manual

5 Technical data
18
Single pole phase testing (only testo 755-2)
Feature Values
Voltage range >90 to 690 V ± 10% AC voltage to earth
Frequency range 50/60 Hz
Acoustic
signalling
Yes
LED display Warning symbol
Rotating magnetic field detection (only testo 755-2)
Feature Values
Voltage range 100 to 400 V ± 10% phase to earth/neutral
Frequency range 50/60 Hz
LC display L and R
Current test
Feature Values
Voltage range Max. 200 A AC
Frequency range 40 to 70 Hz
Resolution 0.1 A ± (3% of the display value + 3 digits)
Automatic power on > 10 A
Overload indicator > = 220 A, LC display shows OL
Measurement category CAT III 600 V / CAT IV 300 V
Continuity testing
Feature Values
Area 0 to 30 
Tolerances ± (1% of the display value + 5 digits)
Test current < 5 A
Acoustic signalling Yes
Overvoltage protection 1000 V AC/DC
Automatic power on < 100 k
Resistance testing
Feature Values
Area 30  to 100 k
Tolerances ± (1% of the display value + 5 digits)
Test current < 5 A
Overvoltage protection 1000 V AC/DC
Automatic power on < 100 k