User manual

72 GMC-I Messtechnik GmbH
Technical Data
Real-Time Clock
Resolution 0.1 s
Accuracy 1 minute per month
Temp. Influence 50 ppm/K
Reference Conditions
Ambient temperature +23 C 2K
Relative humidity 40  60%
Meas. quantity
frequency 45  65 Hz
Meas. quantity
waveform Sinusoidal, deviation between RMS and
rectified value < 0.1%
Battery Voltage 3.0 V 0.1 V
Response Time (multimeter functions)
Response Time (after manual range selection)
Display
LCD panel (65 x 35 mm) with display of up to 3 measured values,
unit of measure, type of current and various special functions.
Display / char. height 7-segment characters
Main display: 12 mm
Auxiliary displays: 7 mm
Number of places 4¾-places, 30999 steps
Overflow display “OL” or “–OL” appears
Polarity display “–” sign is displayed if plus pole is
connected to “^”
LCD test All display segments available during
operation of the METRACAL MC are acti-
vated after the instrument is switched on.
Influencing
Quantity
Sphere of Influence
Measuring
Range
Attenuation
dB
Common mode
interference
voltage
Interference quantity max. 250 V V > 90 dB
Interference quantity max. 250 V
50 Hz, 60 Hz sine
300 mV
30 V
> 80 dB
300 V > 70 dB
Series-mode
interference
voltage
Interference quantity V ,
respective nominal value
of the measuring range,
max. 250 V , 50 Hz, 60 Hz, sine
V> 60dB
Interference quantity max. 250 V V > 60 dB
Measured Quantity /
Measuring Range
Digital Display
Response Time
Measured Quantity
Jump Function
VDC, VAC
ADC, AAC
1.5 s
From 0 to 80%
of upper range limit value
300  ... 3M 2s
From  to 50%
of upper range limit value
30 M 5s
Continuity < 50 ms
1.5 s
C Pt100 Max. 3 s
3 nF ... 30 FMax. 2s
From 0 to 50%
of upper range limit value
>10Hz Max. 1.5s