NOVA and NOVA PRO
Technical specifications
56
7.4
Fault loop impedance and prospective fault current
Zloop L-PE, I
pfc
sub-function
Measuring range according to EN61557-3 is 0.25
Ω
1999
Ω
.
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 fault current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00
19.99
0.01
Consider accuracy of fault
loop resistance
measurement
20.0
99.9
0.1
100
999
1
1.00k
9.99k
10
10.0
100.0k
100
Test current (at 230 V) ......................... 3.4 A, 50Hz Sine wave (10 ms
t
LOAD
15 ms)
Nominal voltage range ......................... 93 V
134 V; 185 V
266 V (45 Hz
65 Hz)
Zloop L-PE RCD and Rs, I
pfc,
non trip subfunction
Measuring range according to EN61557 is 0.75
Ω
1999
Ω
.
Measuring range (
Ω
)
Resolution (
Ω
)
Accuracy
*)
0.4
19.99
(0.40 ... 19.99)
0.01
(5 % of r 10 digits)
20.0
9999
(20.0 ... 99.9)
0.1
(100 ... 9999)
1
10 % of reading
*)
Acccuracy may be impaired in case of heavy noise on mains voltage.
Prospective fault current (calculated value)
No trip out of RCD.
Nominal voltage range ......................... 93 V
134 V; 185 V
266 V (45 Hz
65 Hz)
Measuring range (A)
Resolution (A)
Accuracy
0.00
19.99
0.01
Consider accuracy of fault
loop resistance
measurement
20.0
99.9
0.1
100
999
1
1.00k
9.99k
10
10.0
100.0k
100
