Gossen MetraWatt METRAHIT PM TECH Operating Instructions Manual page 55

Influencing Quantities and Influence Error
Influencing Sphere of
Quantity Influence
0 C ... +21C
Temperature
and
+25C... +40C
1)
With zero balancing
Influencing
Measuring Quantity
Quantity
V A, , Hz, dB, C
DATA
V A, , Hz, dB, C
MIN / MAX
Gossen Metrawatt GmbH
Measured Quantity / Influence Error
1)
Measuring Range (...% rdg. + ... d) / 10 K
V 0.2 + 10
V 0.4 + 10
600  ... 6 M
0.5 + 10
> 6 M 1 + 10
mA/A 0.5 + 10
mA/A 0.8 + 10
60 nF ... 600 F
1 + 5
Hz, dB 0.2 + 10
C/F (Pt100/Pt1000)
0.5 + 10
C/F thermocouple K
0.2 + 10
Influence Error
(...% rdg. + ... d)
10 d
30 d
Influencing Meas. Quantity/
Quantity Meauring Range
> 15 Hz ... 45
600.00 mV > 65 Hz ... 1 kHz
> 15 Hz ... 45
6.0000 V
> 65 Hz ... 1 kHz
V ...
AC
2)
600.00 V
Frequency
> 20 kHz ... 100 kHz
> 15 Hz ... 45
1000.0 V
> 65 Hz ... 1 kHz
2)
600.00 A
> 15 Hz ... 45
A ...
AC
> 65 Hz ... 10 kHz
10.000 0 A
2)
Power limiting: frequency x voltage max. 6 x 10
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 PM XTRA/ PM TUNE / E
> 50 kHz + 2.5%
METRAHIT PM TECH / E : Frequency response up to 20 kHz,
TECH
METRAHIT EU PRO / E : Frequency response up to 20 kHz,
SPECIAL
Influencing Sphere of
Quantity Influence
1 ... 3
Crest factor CF
> 3 ... 5
5)
Except for sinusoidal waveshape
Technical Data
Intrinsic Error
Sphere of Influence
 ... % rdg. + ... d)
Hz 3 + 30
2 + 30
> 1 kHz ... 20 kHz 3 + 30
Hz 2 + 9
1 + 9
4)
> 1 kHz ... 20 kHz 3 + 9
4)
3.5 + 30
Hz 2 + 9
2 + 9
> 1 kHz ... 10 kHz 3 + 30
Hz
3 + 10
6
V x Hz for U > 100 V
: Frequency response up to 100 kHz,
XTRA
Measured Quantity /
Influence Error
Measuring Range
 1 % rdg.
V , A
 3 % rdg.
3)
5)
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