User Manual
GMC-I Messtechnik GmbH  29
Display
Liquid crystal display (58 mm x 31.4 mm) with analog indica-
tion and digital display with display of the unit of measured 
quantity, function and various special functions.
Analog
Indication LCD scale with bar graph
Scale length 55 mm
Scaling 65 scale divisions during all the mea-
surement
Polarity indication With automatic reversal
Overrange indication By triangle
Sampling rate 28 times/s
Digital
Height of main 
display numerals 7 segment numerals: 12 mm
Height of sub-
display numerals 7 segment numerals: 7 mm
Number of counts 4 digit: 6600 counts
Overrange display „OL“ is shown
Polarity display „–“ sign is shown
when positive pole connected to „ “
Sampling rate 2.8 times/s
Influencing 
Quantity
Range of Influence
Measuring
Range
Attenuation
Common Mode
Interference 
Voltage
Noise quantity max. 1000 V 
V > 100 dB
V > 100 dB
Noise quantity max. 1000 V 
50 Hz, 60 Hz sinusoidal
V > 100 dB
V>50dB
Normal Mode 
Interference 
Voltage
Noise quantity: V ,
value of the measuring range at a time 
max. 1000 V  , 50 Hz, 60 Hz sinusoidal
660 mV, 6.6 V,
660 V, 1000 V 
DC
> 43 dB
66 V DC > 35 dB
Noise quantity max. 1000 V  V > 45 dB










