Instructions
88 GMC-I Messtechnik GmbH
Technische Kennwerte MPRO, MXTRA & SECULIFE IP 
Funk-
tion
Messgröße Anzeigebereich
Auf-
lösung
Eingangs-
impedanz/
Prüfstrom
Messbereich Nennwerte
Betriebsmess-
unsicherheit
Eigen-
unsicherheit
Anschlüsse
Stecker-
einsatz 
1)
2-Pol-
Adapter
3-Pol-
Adapter
Sonde
Zangen
WZ12C Z3512A
MFLEX
P300
U
U
L-PE
U
N-PE
0 ... 99,9 V 0,1 V
5 MΩ
0,3 ... 600 V 
1)
U
N
 = 
120 V
230 V
400 V
500 V
f
N
 = 16
2
/
3
/50/
60/200/400 Hz
±(2% v.M.+5D) ±(1% v.M.+5D)
●●●
100 ... 600 V 1 V ±(2% v.M.+1D) ±(1% v.M.+1D)
f
15,0 ... 99,9 Hz
100 ... 999 Hz
0,1 Hz
1 Hz
DC 15,4 ... 420 Hz ±(0,2% v.M.+1D) ±(0,1% v.M.+1D)
U
3~
0 ... 99,9 V
100 ... 600 V
0,1 V
1 V
0,3 ... 600 V
±(3% v.M.+5D)
±(3% v.M.+1D)
±(2% v.M.+5D)
±(2% v.M.+1D)
●
U
SONDE
0 ... 99,9 V
100 ... 600 V
0,1 V
1 V
1,0 ... 600 V
±(2% v.M.+5D)
±(2% v.M.+1D)
±(1% v.M.+5D)
±(1% v.M.+1D)
●
U
L-N
0 ... 99,9 V
100 ... 600 V
0,1 V
1 V
1,0 ... 600 V 
1)
±(3% v.M.+5D)
±(3% v.M.+1D)
±(2% v.M.+5D)
±(2% v.M.+1D)
●●
I
ΔN
I
F
U
IΔN
0 ... 70,0 V 0,1 V 0,3 · I
ΔN
5 ... 70 V
U
N
 = 
120 V
230 V
400 V 
2)
f
N
 = 50/60 Hz
U
L
 = 25/50 V
I
ΔN
 = 
6 mA
10 mA
30 mA
100 mA
300 mA
500 mA 
2)
+10% v.M.+1D
+1% v.M.–1D ... 
+9% v.M.+1D
●●
●
wahl-
weise
R
E
10 Ω ... 999 Ω
1,00 kΩ ... 6,51 kΩ
1 Ω
0,01 kΩ
I
Δ
N
 = 10 mA · 1,05
Rechenwert
aus
R
E
 = U
IΔN
 /
I
ΔN
3 Ω ... 999 Ω
1 kΩ ... 2,17 kΩ
1 Ω
0,01 kΩ
I
Δ
N
 = 30 mA · 1,05
1Ω ... 651 Ω 1Ω
I
Δ
N
=100 mA · 1,05
0,3 Ω ... 99,9 Ω
100 Ω ... 217 Ω
0,1 Ω
1 Ω
I
Δ
N
=300 mA · 1,05
0,2 Ω ... 9,9 Ω
10 Ω ... 130 Ω
0,1 Ω
1 Ω
I
Δ
N
=500 mA · 1,05
I
F
 (I
ΔN
 = 6 mA) 1,8 ... 7,8 mA
0,1 mA
1,8 ... 7,8 mA 1,8 ... 7,8 mA
±(5% v.M.+1D)
±(3,5% 
v.M.+2D)
I
F
 (I
ΔN
 = 10 mA) 3,0 ... 13,0 mA 3,0 ... 13,0 mA 3,0 ... 13,0 mA
I
F
 (I
ΔN
 = 30 mA) 9,0 ... 39,0 mA 9,0 ... 39,0 mA 9,0 ... 39,0 mA
I
F
 (I
ΔN
 = 100 mA) 30 ... 130 mA 1 mA 30 ... 130 mA 30 ... 130 mA
I
F
 (I
ΔN
 = 300 mA) 90 ... 390 mA 1 mA 90 ... 390 mA 90 ... 390 mA
I
F
 (I
ΔN
 = 500 mA) 150 ... 650 mA 1 mA 150 ... 650 mA 150 ... 650 mA
U
IΔ
 / U
L
 = 25 V 0 ... 25,0 V
0,1 V wie I
Δ
0 ... 25,0 V
+10% v.M.+1D
+1% v.M.–1D ... 
+9% v.M.+1 D
U
IΔ
 / U
L
 = 50 V 0 ... 50,0 V 0 ... 50,0 V
t
A
 (I
ΔN
 · 1) 0 ... 1000 ms 1 ms 6 ... 500 mA 0 ... 1000 ms
±4 ms ±3 mst
A
 (I
ΔN
 · 2) 0 ... 1000 ms 1 ms
2 · 6 ... 2 · 500 mA
0 ... 1000 ms
t
A
 (I
ΔN
 · 5) 0 ... 40 ms 1 ms
5 · 6 ... 5 · 300 mA
0 ... 40 ms
Z
L-PE
Z
L-N
Z
L-PE 
()
Z
L-N
0 ... 999 mΩ
1,00 ... 9,99 Ω
1 mΩ
0,01 Ω
0,1 Ω
3,7 ... 4,7 A AC
0,10 ... 0,49 Ω
0,50 ... 0,99 Ω
1,00 ... 9,99 Ω
U
N 
= 120/230 V
400/500 V
1)
f
N
 =16
2
/
3
8)
/50/60 Hz
±
(10% v.M.+20D)
±
(10% v.M.+20D)
±(5% v.M.+3D)
±(5% v.M.+
20D
)
±(4% v.M.+
20D
)
±(3% v.M.+3D)
●
●
Z
L-PE
Z
L-PE 
+ DC
0 ... 999 mΩ
1,00 ... 9,99 Ω
10,0 ... 29,9 Ω
3,7 ... 4,7 A AC 
0,5/1,25 A DC
0,25 ... 0,99 Ω
1,00 ... 9,99 Ω
U
N 
= 120/230 V
f
N
 = 50/60 Hz
±
(18% v.M.+30D)
±(10% v.M.+3D)
±(6% v.M.+50D)
±(4% v.M.+3D)
I
K
 (Z
L-PE 
, 
Z
L-PE 
 + DC)
0 ... 9,9 A
10 ... 999 A
1,00 ... 9,99 kA
10,0 ... 50,0 kA
0,1 A
1 A
10 A
100 A
120 (108 ... 132) V
230 (196 ... 253) V
400 (340 ... 440) V
500 (450 ... 550) V
Rechenwert aus Z
L-P E
Z
L-PE 
(15 mA)
0,6 ... 99,9 Ω
100 ... 999 Ω
0,1 Ω
1 Ω
15 mA AC
10,0 ... 99,9 Ω
100 ... 999 Ω
U
N 
= 120/230 V
f
N
 = 16
2
/
3
8)
/
50/
60 Hz
±
(10% v.M.+10D)
±
(8% v.M.+2D)
±
(2% v.M.+2D)
±
(1% v.M.+1D)
I
K
 (15 mA)
0,10 ... 9,99 A
10,0 ... 99,9 A
100 ... 999 A 
14)
0,01 A
0,1 A
1 A
100 mA ... 12 A 
(U
N
 = 120 V)
200 mA ... 25 A 
(U
N
 = 230 V)
Rechenwert aus 
I
K
 = U
N
/Z
L-P E 
(15 mA)
R
E
R
E.sl
 (ohne Sonde)
R
E 
(mit Sonde)
0 ... 999 mΩ
1,00 ... 9,99 Ω
10,0 ... 99,9 Ω
100 ... 999 Ω
1 kΩ ... 9,99 kΩ
1 mΩ
0,01 Ω
0,1 Ω
1 Ω
0,01 kΩ
3,7 ... 4,7 A AC
3,7 ... 4,7 A AC
400 mA AC
40 mA AC
4 mA AC
0,10 Ω ... 0,49 Ω
0,50 Ω ... 0,99 Ω
1,0 Ω ...9,99 Ω
10 Ω ...99,9 Ω
100 Ω ...999 Ω
1 kΩ ...9,99 kΩ
U
N
 wie Funktion U
1)
f
N
 = 50/60 Hz
±
(10% v.M.+20D)
±
(10% v.M.+20D)
±(5% v.M.+3D)
±(10% v.M.+3D)
±(10% v.M.+3D)
±(10% v.M.+3D)
±(5% v.M.+
20D
)
±(4% v.M.+
20D
)
±(3% v.M.+3D)
±(3% v.M.+3D)
±(3% v.M.+3D)
±(3% v.M.+3D)
●● ●
R
E (15 mA) 
(ohne/mit Sonde)
0,5 ... 99,9 Ω
100 ... 999 Ω
0,1 Ω
1 Ω
15 mA AC
10 Ω ...99,9 Ω
100 Ω ...999 Ω
U
N 
= 120/230 V
f
N
 = 50/60 Hz
±
(10% v.M.+10D)
±
(8% v.M.+2D)
±(2% v.M.+2D)
±(1% v.M.+1D)
R
E.sl
 (ohne Sonde) 
 + DC
R
E.sl
 (mit Sonde) 
 + DC
0 ... 999 mΩ
1,00 ... 9,99 Ω
10,0 ... 29,9 Ω
1 mΩ
0,01 Ω
0,1 Ω
3,7 ... 4,7 A AC 
0,5/1,25 A DC 
0,25 ... 0,99 Ω
1,00 ... 9,99 Ω
U
N 
= 120/230 V
f
N
 = 50/60 Hz
±
(18% v.M.+30D)
±(10% v.M.+3D)
±(6% v.M.+50D)
±(4% v.M.+3D)
U
E
0 ... 253 V 1 V 3,7 ... 4,7 A AC
R
E
 = 0,10 ... 9,99 
Ω
U
N 
= 120/230 V
f
N
 = 50/60 Hz
Rechenwert U
E
 = U
N
 · R
E
/R
E.sl
R
E
Sel
Zange
R
E.sel
(nur mit Sonde)
0 ... 999 mΩ
1,00 ... 9,99 Ω
10,0 ... 99,9 Ω
100 ... 999 Ω
1 mΩ
0,01 Ω
0,1 Ω
1 Ω
2,1 A AC
2,1 A AC
400 mA AC
40 mA AC
0,25 ... 300 Ω 
4)
U
N 
= 120/230 V
f
N
 = 50/60 Hz
±
(20% v.M.+20 D)
±
(15% v.M.+20 D)
●
●
R
E.sel 
+ DC 
(nur mit Sonde)
0 ... 999 mΩ
1,00 ... 9,99 Ω
10,0 ... 99,9 Ω
100 ... 999 Ω
1 mΩ
0,01 Ω
0,1 Ω
1 Ω
3,7 ... 4,7 A AC 
0,5/1,25 A DC
0,25 ... 300 Ω 
R
E.ges
 < 10 Ω 
4)
U
N 
= 120/230 V
f
N
 = 50/60 Hz
±
(22% v.M.+20 D)
±
(15% v.M.+20 D)
EXTRA
Z
ST
10 kΩ ... 199 kΩ
1 kΩ
1 kΩ
0,01 MΩ
0,1 MΩ
2,3 mA bei 230 V
10 kΩ ... 199 kΩ
U
0
 = U
L-N
±(20% v.M.+2D) ±(10% v.M.+3D)
●●●●
200 kΩ ... 999 kΩ
1,00 M
Ω
 ... 9,99 M
Ω
10,0 M
Ω
 ... 30,0 M
Ω
200 kΩ ... 999 kΩ
1,00 M
Ω
 ... 9,99 M
Ω
10,0 M
Ω
 ... 30,0 M
Ω
±(10% v.M.+2D) ±(5% v.M.+3D)
IMD-Test
20 ... 648 kΩ
2,51 MΩ
1 kΩ
0,01 MΩ
IT-Netzspannung
U.it = 90 ... 550 V
20 kΩ ... 199 kΩ
200 kΩ ... 648 kΩ
2,51 MΩ
IT-Netz-
Nennspanungen
UN.it =
120/230/400/
500 V
f
N
 = 50/60 Hz
±7%
±12%
±3%
±5%
±10%
±2%
●●










