24 GMC-I
Messtechnik
GmbH
Influencing variables and rated operating ranges
Temperature
+5 ... +23 ... +35
C
Limit temperatures for accuracy
+5 ... +35
C
for operation
0 ... +40
C
for storage
–25 ... +65
C (without battery)
Position
additional influence effect max.
1% of scale
length when the scale is inclined to the horizontal
between 0 and
120
Frequency
additional influence effect
max.
10% of full scale value in the ranges
Auxiliary voltage
No additional influence effect; the upper range
value for each measuring range must be set via
the potentiometer in the case of resistance mea-
surements.
Series-mode interference
voltage attenuation on V
> 60 dB with AC 50 Hz
on V
~
> 120 dB with DC
Common-mode
voltage attenuation > 120 dB with DC and 50 Hz AC
Composite voltages and
composite currents see chapter 4.5
Other influencing
variables
per IEC 60051/EN 60051
Power Supply
Battery
nominal voltage 9 V ;
9 V flat cell battery per IEC 6LR61 (6F22),
alkaline-manganese, zinc-carbon or NiCd-Akku.
Service life
with zinc-carbon cell: approx. 500 hours
with alkaline-manganese cell: approx. 1000 hours
with NiCd storage battery: approx. 200 hours
in the
x 1 range: ¼ of the entire service life
Battery test
indication must be within battery test zone
100 mV; 3 V ... 600 V:
15 Hz ...
1 kHz
10 µA
... 10 A:
15 Hz ...
1 kHz
300 mV;
1 V:
15 Hz ... 200 Hz
