User Manual

14 GMC-I Messtechnik GmbH
Influencing Quantities and Influence Error
1) For temperature: specified error valid starting with temperature changes as of
10 K.
For frequency: specified error valid starting with display values as of 300 digits.
2) With zero balancing
3) After the symbol appears at the display
Response Time (after manual range selection)
Reference Conditions
Ambient temperature + 23 C  2K
Relative humidity 40 % ... 60 %
Measured quantity
frequency 45 Hz ... 65 Hz
Measured quantity
waveshape sinusoidal
Battery voltage 3 V  0.1 V
Display
LCD panel (65 mm x 30 mm) with analog and digital display
including unit of measure, type of current and various special
functions
Analog
:
Display LCD scale with pointer
Scale length 55 mm for all ranges
Scaling 0 ...  60 with 61 scale divisions for
all ranges
Polarity display With automatic switching
Overflow display Triangle
Measuring rate 20 measurements per second
Digital
:
Display / char. height 7-segment characters / 15 mm
Number of places 3
6
/
7
-place 6000 steps
Overflow display “OL” appears
Influencing
Quantity
Sphere of Influence
Measured Quantity /
Measuring Range
Influence Error
1)
(... % rdg. + ... digits)
Tempera-
ture
0 C ... +21 C
and
+25 C... +40 C
600 mV 1.0 + 3
6 ... 600 V 0.15 + 1
V0.4+2
60 mA ...
600 mA
0.5 + 1
6A/10A 0.5+1
A0.75+1
0 
2)
0.15 + 2
600  0.25 + 2
6k ... 6 M 0.15 + 1
40 M 1.0 + 1
– 50 ... + 200 C1 K + 2
+ 200 ... + 400 C1 + 2
Measured
Quantity
Frequency
> 30 Hz ... 45 Hz A 2,0 + 10
>65Hz...1kHz
60 / 600 mA / 6 A 1,5 + 10
10 A 2 + 10
> 30 Hz ... 45 Hz
600 mV 3 + 10
6 / 60 /600 V 2,5 + 10
> 65 Hz . ... 500 Hz 600 mV 35 + 20
> 65 Hz ... 1 kHz 6 / 60 V 2,5 + 10
Influen-
cing
Quantity
Sphere of
Influence
Measured
Quantity /
Measuring
Range
Influence Error
Battery
Voltage
3)
... < 2.9 V
> 3.1 V ... 3.6 V
V  2 Digits
V  4 Digits
A  4 Digits
A  6 Digits
60  / 600  /
C
 4 Digits
6k ... 40 M3 Digits
Relative
Humidity
75%
3 days
Instrument off
V
A

C
1 x intrinsic error
HOLD —  1 Digits
MIN /
MAX
—V, A  2 Digits
Influencing
Quantity
Sphere of Influence
Measuring
Range
Damping
Common
Mode
Interference
Voltage
Interference quantity max. 600 V V > 120 dB
Interference quantity max. 600 V
50 Hz, 60 Hz sine
6V ,
60 V
>80dB
600 V > 70 dB
Series Mode
Interference
Voltage
Interference quantity: V ,
respective nominal value
of the measuring range,
max. 600 V , 50 Hz, 60 Hz
sine
V > 50 dB
Interference quantity max. 600 V V > 110 dB
Measured
Quantity /
Measuring
Range
Response Time
Measured Quantity
Step Function
Analog Display Digital Display
V, V,
A, A
0.7 s 1.5 s
from 0 to 80%
of the upper range limit
600 ...6M 1.5 s 2 s
from  to 50%
of the upper range limit
40 M 4s 5s
—1.5s
C — max. 1 ... 3 s
from 0 to 50%
of the upper range limit