User manual
64 GMC-I Messtechnik GmbH
Technical Data
Ambient Conditions
Accuracy range 0 C ... +40 C
Operating temp. range10 C ... +50 C
Storage temp. range 25 C ... +70 C (without batteries)
Relative humidity 40 to 75%, no condensation allowed
Elevation to 2000 m
Deployment
Indoors, except within specified ambient
conditions
Display
LCD panel (65 mm x 36 mm) with analog and digital display includ-
ing unit of measure, type of current and various special functions
Background illumination
Background illumination is switched off approximately 1 minute
after it has been activated.
Analog
Display LCD scale with bar graph or pointer,
depending upon the selected parameter
setting
Scaling Linear
(ranges other than M
ISO
):
5 ... 0 ... 30 with 35 scale divisions
for , 0 ... 30 with 30 scale divisions in all
other ranges
Logarithmic M
ISO
range):
0.3 3 30 300
bar graph instead of pointer
Polarity display With automatic switching
Overflow display With the symbol
Measuring rate 40 measurements per second and display
refresh
Digital
Display / Char. Height7-segment characters / 15 mm
Number of places 3¾ places, 3100 steps
Overflow display “OL” is displayed for 3100 digits
Polarity display “–” (minus sign) is displayed
if plus pole is connected to “”
Measuring rate 10 and 40 measurements per second with
the Min/Max function except for the
capacitance, frequency and duty cycle
measuring functions
Refresh Rate 2 times per sec., every 500 ms
Electrical Safety
Safety class II per DIN EN 61010-1:2011/
VDE 0411-1:2011
Measuring category II III
Nominal voltage 600 V 300 V
Fouling factor 2
Test voltage
3.5 kV~ per DIN EN 61010-1:2011/
VDE 0411-1:2011
Fuses
Fuse link FF 1.6 A/700 V AC/DC;
6.3 mm x 32 mm; switching capacity:
50 kA at 700 V AC/DC;
protects the current measurement input in
the 300 A through 1 A ranges










