Gossen MetraWatt METRACAL MC, Руководство по эксплуатации

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GMC-I Messtechnik GmbH 71
Technical Data
Influencing Quantities and Influence Error
1
With zero balancing
2)
Specified error valid as of display values of 10% of the measuring range
Influencing
Quantity
Sphere of
Influence
Measured Quantity /
Measuring range
1)
Influence Error
±
(... % rdg. + d)/10 K
Temperature
0
…
+21
°
C
and
+25...+40
°
C
V DC,
°
C (TC) 0.1 + 10
V AC 0.5 + 10
3/30 mA DC 0.1 + 10
3/30 mA AC 0.5 + 10
300 mA DC, AC 0.5 + 10
300
Ω
/3/30/300 k
Ω
2L 0.2 + 10
3 M
Ω
2L 0.5 + 10
30 M
Ω
2L 1 + 10
30/300 nF/3/30/300
μ
F 0.5 + 10
Hz 0.1 + 10
°
C (RTD) 0.2 + 10
Simulator quantity
mV/V,
°
C (TC) 0.1 + 10
Ω
,
°
C (RTD) 0.2 + 10
mA source 0.1 + 10
mA sink 0.1 + 10
Influencing
Quantity
Frequency
Measured Qty. /
Meas. Range
Influence Error
2)
±
(... % rdg. + d)
Frequency
V
AC
> 20 Hz ... 45 Hz
300.00 mV
…
300.0 V
2 + 30
> 65 Hz ... 1 kHz
> 1 kHz ... 20 kHz 3 + 30
Influencing
Quantity
Frequency
Measured Qty. /
Meas. Range
Influence Error
2)
±
(... % rdg. +... d)
Frequency
I
AC
> 20 Hz ... 45 Hz 300 μA
3 mA
30 mA
300 mA
2 + 30
> 65 Hz ... 10 kHz 3 + 30
Influencing
Quantity
Sphere of
Influence
Measured Quantity /
Measuring Range
Influence Error
2)
Measured
Quantity
Waveform
Crest
Factor
CF
1
…
2
V AC, A AC
±
1 % rdg.
2
…
4
±
5% rdg.
4
…
5
±
7% rdg.
Influencing
Quantity
Sphere of
Influence
Measured Quantity/
Measuring Range
Influence Error
Relative
Humidity
75%
3 days
Instrument off
V, A
, Ω
F, Hz
°
C
1 x intrinsic uncertainty
1
2
3
4
5
CF
0
10000 30000 20000
Voltage and Current Measurement
Allowable crest factor CF of the periodic quantity to be measured is
dependent upon the displayed value:
Digits