MI 3321 MultiservicerXA
Technical specifications
22
3.11 Clamp current
True RMS current
using 1000:1 current clamp
Range
Resolution
Accuracy*
0.00 mA
… 9.99 mA
0.01 mA
(5 % of r 10 digits)
10.0 mA
… 99.9 mA
0.1 mA
(5 % of r 5 digits)
100 mA
… 999 mA
1 mA
(5 % of r 5 digits)
1.00 A
… 9.99 A
0.01 A
(5 % of r 5 digits)
10.0 A
… 24.9 A
0.1 A
(5 % of r 5 digits)
*
It
does not consider accuracy of current transformer.
Pass levels [mA]: ...................... 0.25, 0.50, 0.75, 1.00, 1.50, 2.25, 2.50, 3.00, 3.50, 5.00,
9.00, none
Test duration [s]: ....................... 5, 10, 30, 60, 120, none
Test terminals:
Clamp current
Clamp inputs
Temperature coefficient outside reference temperature limits is 1 % of measured value
per
C
3.12 PRCD testing
Portable RCD trip-out time
Range
Resolution
Accuracy
0 ms
… 300 ms(½
I
N
)
1 ms
3 ms
0 ms
… 300 ms (I
N
)
1 ms
0 ms
… 40 ms (5
I
N
)
1 ms
Test currents (I
N
): .................... 10 mA, 15 mA, 30 mA
Test current multipliers: ............
½
I
N
, I
N
, 5
I
N
Start angle: ............................... 0
, 180
, both
Test modes: .............................. single, autotest
Voltage range: .......................... 100 V
… 264 V (45 Hz … 65 Hz)
Pass / Fail limits:
½
I
N
I
N
5
I
N
t
> 300 ms
t
< 300 ms
t
< 40 ms
Test terminals:
PRCD testing
TP1 test sockets
3.13 RCD testing
3.13.1 General data
Nominal residual current [mA]: . 10, 30, 100, 300, 500, 1000
Test current options: ................. 0.5
I
N, I
N, 2
I
N, 5
I
N
Test currents accuracy: ............ -0 / +0.1
I
; I
= I
N, 2
I
N, 5
I
N
