AEMC 407, Руководство пользователя

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79
4.7 ENVIRONMENTAL VARIATIONS
Condition of
Influence
Range of
Influence
Measurement
Influenced
Influence
Typical MAX
Temperature
-4° to +131°F
(-20° to +55°C)
V
AC
V
DC
A
T°C

Hz
-
0.1% R/10°C
1% R/10°C
(0.2% R +1°C)/10°C
0.1% R/10°C + 2ct
0.1% R/10°C
0.5% R/10°C + 2ct
1.5% R/10°C + 2ct
(0.3% R +2°C)/10°C
0.1% R/10°C + 3ct
Humidity 10 to 90% RH
V
A
0.1% R 0.1% R + 1ct
Frequency
10Hz to 1kHz
1kHz to 3kHz
10Hz to 400Hz
400Hz to 2kHz
V
A
1% R
8% R
1% R
4% R 1% R + 1ct
9% R + 1ct
1% R + 1ct
5% R + 1ct
Position of the
conductor in
the
jaws (f

400Hz)
Any position
on the internal
perimeter of
the jaws
A 2% R 4% R + 1ct
Adjacent
conductor
carrying a
current of
150A
DC
or
RMS
Conductor
touching the
external
perimeter of
the jaws
A 40 dB 45 dB
Conductor
enclosed by
the clamp
0 to 500ARMS V

1ct
1ct
Application of a
voltage on the
clamp
0 to 1000V
DC
or RMS
A

1ct 3% R + 1ct
Peak factor
1.4 to 3.5,
limited
to 1500A peak
1400V peak
A (AC)
V (AC) 1% R
1% R
3% R + 1ct
PF (inductive
and capacitive)
0.7 and I

5A
0.5 and I

10A
0.2 and I

20A
W 0.5%R
1%R + 1 pt
3%R + 1 pt
8%R + 1 pt