METREL EurotestXD MI 3155, Instruction Manual

Page: 203 / 242

MI 3155 Eurotest XD Technical specifications
202
RCD test current in relation to MI / EV RCD type and multiplication factor
I

N
× 1/2
(mA)
I

N
× 1
(mA)
I

N
× 2
(mA)
I

N
× 5
(mA)
RCD I

I

N
(mA)
MI / EV a.c. MI / EV a.c. MI / EV a.c. MI / EV a.c. MI / EV a.c. MI / EV d.c.
30 a.c. 15 30 60 150

×
6 d.c.
× × × × ×

×
. ............................................................ not applicable

. ............................................................ applicable
MI / EV type (a.c. part) ............................ sine wave test current
MI / EV type (d.c. part) ............................ smooth DC current
12.5.2 RCD Uc
– Contact voltage
Measuring range according to EN 61557 is 20.0 V ... 31.0 V for limit contact voltage 25 V
Measuring range according to EN 61557 is 20.0 V ... 62.0 V for limit contact voltage 50 V
Uc
– Contact voltage, Uc(P) – Contact voltage, external probe
Measuring range (V) Resolution (V) Accuracy
0.0 ... 19.9
0.1
(-
0 % / +15 %) of reading ±
10 digits
20.0 ... 99.9 0.1 (-0 % / +15 %) of reading
The accuracy is valid if mains voltage is stabile during the measurement and PE terminal is free
of interfering voltages. Specified accuracy is valid for complete operating range.
Test current ........................................... max. 0.5

I

N
Limit contact voltage (Uc, Uc(P)) ........... 12 V, 25 V, 50 V
12.5.3 RCD t
– Trip-out time
Complete measurement range corresponds to EN 61557 requirements.
Maximum measuring times set according to selected reference for RCD testing.
t

N
–Trip-out time
Measuring range (ms) Resolution (ms) Accuracy
0.0 ... 40.0 0.1

1 ms
0.0 ... max. time* 0.1

3 ms
* For max. time see normative references in chapter 4.6.8.1 RCD standard . This specification
applies to max. time >40 ms.
Test current ...........................................
½

I

N
, I

N
, 2

I

N
, 5

I

N
5

I

N
is not available for I

N
=1000 mA (RCD type AC) or I

N

300 mA (RCD types A, F, B, B+).
2

I

N
is not available for I

N
=1000 mA (RCD types A, F) or I

N

300 mA (RCD types B, B+).
1

I

N
is not available for I

N
=1000 mA (RCD types B, B+).
Specified accuracy is valid for complete operating range.