AT73C501 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT73C501' PDF : 28 Pages View PDF
AT73C500
The measurements are done according to IEC1036 specifi-
cation. The results are averaged over a period of 10s.
Before measurements, AT73C500 devices have been
operational for minimum 1h.
Measurement Bandwidth
Parameter
Min Typ Max Units
General, 50 Hz line
frequency
- high limit (-3dB)
750
Hz
- low limit (-3dB)
30
Hz
Reactive Power and
Energy, Voltage and
Current Measurement
- high limit
360
Hz
- low limit
40
Hz
Line Frequency
- high limit
350
Hz
- low limit
20
Hz
Current
0.05IB
0.1IB...IFS
0.1IB
0.2IB...IFS
0.1IB
0.2IB...IFS
0.2IB...IFS
Maximum Error
Power
Voltage Factor Min Typ Max Units
UN
1.000 -0.4
UN
1.000 -0.2
UN
0.5 -0.4
lagging
+0.4 %
+0.2 %
+0.4 %
UN
0.5 -0.4
lagging
+0.4 %
UN
0.8 -0.4
leading
+0.4 %
UN
0.8 -0.4
leading
+0.4 %
UN
0.25 -1.0
lagging
+1.0 %
Effect of Crosstalk
The error caused by crosstalk from one current input to
other two current inputs when the meter is carrying a sin-
gle-phase load.
Current
0.1IB...IFS
0.1IB...IFS
Single-Phase Load Error
Power
Voltage Factor Min Typ
UN
1.000 -0.5
UN
0.5
lagging
-0.5
Max
+0.5
+0.5
Units
%
%
Influence Quantities
The additional error caused by different influence quanti-
ties.
Current
0.1IB
0.1IB
Voltage Variation Error
Power
Voltage Factor Min Typ
0.9UN...
1.1UN
1.000
-0.2
0.9UN...
1.1UN
0.5
lagging
-0.2
Max
+0.2
+0.2
Units
%
%
25
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