HT instruments FULLTEST3 User Manual
Page 84

FULLTEST
3
EN - 83
LOOP impedance / Short-circuit current (LOOP)
Display range
(
)
Resolution
(M
)
Accuracy
Overvoltage protection
*0.000
2.000
0.001
± (3% rdg. + 3 dgt)
CAT III 300 V
0.00
9.99
0.01
10.0
99.9
0.1
100
200
1
* With optional accessory IMP57 only!
Input voltage range LOOP L/PE or L/N: 100
265 V, 50/60 Hz
Input voltage range LOOP L/L:
100
460 V, 50/60 Hz
Nominal mains voltage:
230 or 240 V
Loading resistance:
10
for 20 ms (range 0.00
30.0
) and
180
for 20 ms (range 30.0
200.0
)
I
SC
calculation:
Depends on selected limit mode
Short-circuit current I
SC
:
Display range
(A)
Resolution
(A)
Accuracy
0.05
0.99
0.01
Depends on U
L/PE
and Z accuracy
1.0
99.9
0.1
100
999
1
1.00k
46.00k
10
Mains voltage
U
L/N
,
U
L/PE
:
Display range
(V)
Resolution
(V)
Accuracy
100
265
1 ±
(3%
rdg.)
Input resistance (U
L/N,
U
L/PE
): 450
k
Mains voltage
U
L/L
:
Display range
(V)
Resolution
(V)
Accuracy
100
460
1 ±
(3%
rdg.)
Input resistance (U
L/N,
U
L/PE
): 450
k