Instructions
GMC-I Messtechnik GmbH 81
Entry Plausibility Check – Parameters Combination Checking — LCD Pictographs
Parameter out of range
I
ΔN
5 x 500 mA is not possible
I
ΔN
 / I
F
  Type B, B+ and EV/MI not possible with G/R, SRCD and PRCD
I
ΔN
180° not possible for RCD-S, G/R, SRCD, PRCD-S, PRCD-K
I
ΔN
 / I
F
  DC not possible with G/R, SRCD, PRCD
I
ΔN
 / I
F
  Half-wave or DC not possible with type AC
I
ΔN
 / I
F
EXTRA → RCM
DC not possible with type A
I
ΔN
  1/2 test current not possible with DC
I
ΔN
  2 x / 5 x IdN with full-wave only
R
E
Not without probe in IT network!
I
ΔN
 / I
F
  DC+ with 10 Ω only
R
E
No DC bias magnetization in the IT network
R
E
The measurement is only possible in the 10 Ω range!
R
E
15 mA only possible in the 1 kΩ and 100 Ω range!
Status
Test 
plug
Meas. 
Adapter
Position of the 
Function Switch
Function / Meaning










