Datasheet
METRAHIT⏐EXTRA⏐ETECH⏐ESPECIAL⏐EBASE
TRMS Digital Multimeters
4 GMC-I Gossen-Metrawatt GmbH
Internal Clock
Time format DD.MM.YYYY hh:mm:ss
Resolution 0.1 s
Accuracy ±1min. per month
Temperature Influence 50 ppm/K
Influencing Quantities and Influence Error
1)
With zero balancing
2)
Power limiting: frequency x voltage max. 6 x 10
6
V x Hz for U > 100 V
3)
The accuracy specification for frequency response is valid within a display value
range of 10% to 100% of the measuring range for both measuring modes with the
TRMS converter in the AC and (AC+DC) ranges.
4)
METRAHIT EXTRA: frequency response up to 20 kHz,
METRAHIT E
TECH: frequency response up to 10 kHz,
METRAHIT E
SPECIAL: frequency response up to 10 kHz,
METRAHIT E
BASE: frequency response up to 1 kHz
5)
Except for sinusoidal waveshape
Reference Conditions
Ambient temperature +23 °C ±2K
Relative humidity 40 ... 75%
Measured qty. frequency 45 ... 65 Hz
Measured qty. waveform Sine
Battery voltage 3 V ±0.1 V
Response Time (after manual range selection)
Data Interface
Type
Optical via infrared light through the housing
Data transmission Serial, bidirectional (not IrDa compatible)
Protocol Device specific
Baud rate 38,400 baud
Functions – Select/query measuring functions
and parameters
–
Query momentary measurement data
– Read out stored measurement data
The USB X-TRA plug-in interface adapter (see accessories) is
used for connection to the PC’s USB port.
Internal Measured Value Storage
(METRAHIT E
XTRA
only)
Memory capacity 16 MBit / 2 MB for approx. 60,000
measured values with date and time stamp
Influencing
Quantity
Sphere of
Influence
Measured Quantity /
Measuring Range
1)
Influence Error
(...% rdg. + ... d) / 10 K
Temperature
–10 °C ... +21 °C
und
+25 °C ... +40 °C
V 0.2 + 10
V 0.4 + 10
600 Ω ... 6 MΩ 0.5 + 10
> 6 MΩ 1 + 10
mA/A 0.5 + 10
mA/A 0.8 + 10
60 nF ... 600 μF1 + 5
Hz, dB 0.2 + 10
°C/°F (Pt100/Pt1000) 0.5 + 10
°C/°F thermocouple K 0.2 + 10
Influenc-
ing Qty.
Meas. Qty. /
Meas. Range
Sphere of Influence
Intrinsic Error
3)
±( ... % rdg. + ... d)
METRAHIT E
XTRA
METRAHIT E
TECH
METRAHIT E
SPECIAL
METRAHIT E
BASE
Fre-
quency
V
AC
600.00 mV
> 15 Hz ... 45 Hz 3 + 30 3 + 30
> 65 Hz ... 1 kHz 2 + 30 3 + 30
> 1 kHz ... 20 kHz 3 + 30 —
6.0000 V
...
600.00 V
2)
> 15 Hz ... 45 Hz 2 + 9 3 + 9
>65Hz... 1kHz 1 + 9 3 + 9
> 1 kHz ... 20 kHz
4)
3 + 9 —
> 20 kHz ... 50 kHz
4)
7 + 9 —
1000.0 V
2)
> 15 Hz ... 45 Hz 2 + 9 3 + 9
>65Hz... 1kHz 2 + 9 3 + 9
> 1 kHz ... 10 kHz 3 + 30 —
A
AC
600.00 μA
...
10.0000 A
> 15 Hz ... 45 Hz
3 + 10 —
> 65 Hz ... 10 kHz
A
AC
E
BASE
600 mV /
6V /
> 65 Hz ... 1 kHz — 3 + 30
Influencing
Quantity
Sphere of
Influence
Measured Quantity/
Measuring Range
Influence Error
5)
Crest factor CF
1 ... 3
V, A
± 1 % rdg.
> 3 ... 5 ± 3 % rdg.
Influencing
Quantity
Sphere of
Influence
Measured Quantity Influence Error
Relative
humidity
75%
3 days
instrument off
V, A, Ω, F, Hz, dB, °C1 x intrinsic error
Battery voltage 1.8 to 3.6 V V, A, Ω, F, Hz, dB, °C Included in intrinsic error
Influencing
Quantity
Sphere of Influence
Measured Quantity /
Measuring Range
Damping
Common Mode
Interference
Voltage
Interference quantity max. 1000 V V > 120 dB
Interference quantity max. 1000 V
50 Hz ... 60 Hz, sine
6 V , 60 V > 80 dB
600 V > 70 dB
1000 V > 60 dB
Series Mode
Interference
Voltage
Interference quantity: V , respective
nominal value of the measuring range,
max. 1000 V , 50 Hz ... 60 Hz, sine
V> 50dB
Interference quantity max. 1000 V V > 110 dB
Measured Quantity /
Measuring Range
Response Time
Digital Display
Measured Quantity
waveshape
V, V, dB
AV , A
1.5 s
From 0 auf 80 %
of upper range limit value
600 Ω ... 6 MΩ 2s
From ∞ auf 50 %
of upper range limit value
60 MΩ 5s
Continuity < 50 ms
°C (Pt 100) Max. 3 s
1.5 s
60 nF ... 600 μFMax. 2s
From 0 auf 50 %
of upper range limit value
>10 Hz 1.5 s