NOVA and NOVA PRO
Technical specifications
57
7.5
Line impedance and prospective short-circuit current
Line impedance
Measuring range according to EN61557-3 is 0.25
Ω
1999
Ω
.
Zline L-L, L-N, I
psc subfunction
Measuring range (
Ω
)
Resolution (
Ω
)
Accuracy
0.2
9999
(0.20 ... 19.99)
0.01
(20.0 ... 99.9)0.1
(100 ... 9999)1
(5 % of r 5 digits)
Prospective short-circuit current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00
19.99
0.01
Consider accuracy of line
resistance measurement
20.0
99.9
0.1
100
999
1
1.00k
9.99k
10
10.0
100.0
100
Test current (at 230 V) ......................... 3.4 A, 50Hz Sine wave (10 ms
t
LOAD
15 ms)
Nominal voltage range ......................... 93V
134V; 185V
266V; 321V
485V (45Hz
65Hz)
Voltage drop:
Measuring range (
%
)
Resolution (
%
)
Accuracy
0.0
9.9
0.1
Consider accuracy of the
line measurement (only
calculated value)
7.6
Phase rotation
Measuring according to EN61557-7
Nominal mains voltage range .............. 50 V
AC
550 V
AC
Nominal frequency range .................... 45 Hz
400 Hz
Result displayed ............................... Right:1 2-3 ; Left: 3-2-1
7.7
Voltage and frequency
Measuring range (V)
Resolution (V)
Accuracy
0
550
1
(2 % of r 2 digits)
Frequency range ................................. 0 Hz, 45 Hz
400 Hz
Measuring range (Hz)
Resolution (Hz)
Accuracy
10
499
0.1
0.
2% + 1 digit
Nominal voltage range .................................. V
550 V
