Operation Manual
GMC-I Messtechnik GmbH 29
Measurements: V/Hz – 
Ω
 –   – Temp –   – m – A/Hz
An active low-pass filter is indicated by the Fil display. The 
multimeter is automatically switched to manual measuring range 
selection.
Specified measuring accuracy is not reached with signals of 
greater than 100 Hz when the filter is active.
Voltage Comparator for Displaying Dangerous Voltage
The input signal or measuring signal is checked by a voltage 
comparator for dangerous spikes, because these do not appear 
at the display when the low-pass filter is used. 
At voltages of greater than 15 V AC or 25 V DC, a danger symbol 
appears at the display:  .
COM mA A
V
Temp
Ω
aEb
Max. 600 V 1 kHz
V~: 10 mV…610 V
Hz: 1Hz … 300 kHz
~
P
max
 = 6 x 10
6
 V x Hz
Measuring ranges:
> 15 V AC or > 25 V DC: 
> 620 V:
Warnings regarding dangerous voltage:
230
.
0
5 ranges: 300 mV, 3 V, 30 V,
300 V and 600 V
0230.6
V
AC
TRMS
0050.3
Hz
AC
V~
Hz
V~
Hz
0229.9
V
AC
TRMS
Fil
V~ with Filter
200 Hz
V~
0050.0
AC
Fil
Hz
Hz with Filter
!
!
FUNC
ENTER
FUNC
ENTER
FUNC
ENTER
FUNC
ENTER
200 Hz
Hz
MEASURE
SETUP
 ...  SET   ...  CL IP
FUNC
ENTER
FUNC
ENTER
  0ff










