TESTO 750 - Technical Data; Voltage Testing Specifications; Single-Pole Phase Testing

5 Technical data
4
5 Technical data
5.1. Voltage testing
Feature Values
LED display: voltage range 12 - 690 V AC/DC
LED display: voltage values 12V, 24V, 50V, 120V, 230V, 400V, 690V
LED display: tolerances According to EN 61243-3:2011
LCD display (only variant
testo 750-3): voltage range
10 - 690 V AC/DC
LCD display (only variant
testo 750-3): Resolution
1 V
LCD display (only variant
testo 750-3): Tolerance
± (3 % of the display value + 5 digits)
Frequency range DC voltage, 14Hz – 400Hz
Acoustic signalling ≥ 50 V AC, ≥ 120 V DC
Voltage detection Automatic
Internal load Approx. 2.4 W at 690V (load buttons not
pressed)
Current Is < 3.5 mA at 690V (load buttons not
pressed)
Connectible load (only testo
750-2 and -3)
Approx. 140 W at 690 V (load buttons
pressed)
Connectible test load (only
testo 750-2 and -3)
< 200mA (load buttons pressed)
Operating time 30 s
Recovery time 240 s
Automatic power on > 10 V
Reading memory
(HOLD) (only testo 750-3)
10 - 690 V AC/DC
Overload indicator (only testo
750-3)
≥ 720V AC/DC, LCD display shows OL
5.2. Single-pole phase testing
Feature Values
Voltage range 100 - 690 V AC voltage to earth
Frequency range 50/60 Hz
Acoustic
signalling
Yes
LED display Red LED