22
GOSSEN-METRAWATT
Reference conditions
Temperature
+23 °C
±
2 K
Relative
temperature humidity 45 ... 55%
Frequency of
measured quantity
45 .... 65 Hz
Waveform of
measured quantity
Sinusoidal; deviation between rms value
and rectified value
≤
0.5%
Battery voltage
9 V
±
0.5 V
Nominal conditions of use
Temperature
0 °C ...+ 40 °C
Position of use
Any
Battery voltage
6.0 V ... 9.5 V
Height oversea
up to 2000 m
Influence quantities and variations
Capacitance
A parallel capacitance of 5
µ
F causes an error of
≤
10% at the limits of the nominal ranges of use
Relative humidity
Variation 1 x intrinsic error for 3 days of 75 % RH
and tester switched off
Influence
quantity
Range of
influence
Meas. quantity/
Meas. range
Variation
±
(...
%
rdg.
+
c)
Temp.
0
…
+ 21 °C
and
25
…
+ 40 °C
1 000 V
0.5 + 2 / 10 K
30 k
Ω
…
300 M
Ω
0.5 + 2 / 10 K
3 G
Ω
2.0 + 2 / 10 K
30 G
Ω
5.0 + 2 / 10 K
30/300
Ω
0.5 + 2 / 10 K
U
batt.
0.5 + 2 / 10 K
Frequency
of the
meas. qty.
25 Hz
…
< 45 Hz
and
> 65 Hz
…
1 kHz
1 000 V
1.0 + 2
Battery
voltage
6 V
…
< 8.5 V
1 000 V
0.5 + 2
30 k
Ω
…
300 M
Ω
0.5 + 2
1.0 + 2
at U
N
= 1000 V
3 G
Ω
2.0 + 2
5.0 + 2
at U
N
= 1000 V
30 G
Ω
10.0 + 2
30/300
Ω
0.5 + 2
Common
mode interf.
voltage
Noise qty.
max. 1000 V ~ ,
50 Hz sinusoidal
V~ : R
q
=
∞
R
q
= 1 k
Ω
> 40 dB
> 100 dB
ISO–
Ω :
R = 500 k
Ω
max.
±
1 D
Ω
: R
q
= 1
Ω
max.
±
1 D