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Closed Loop Hall Effect Current Sensors/Transducers
 Current
Sensors with Round Windows
Principle of Closed Loop Hall Effect Current Sensors
Price List of Current Sensors
with Round Windows
open loop pcb-based |
open loop rectangle window |
open loop round window
closed loop pcb-based |
closed loop rectangle window
|
closed loop round window
Closed Loop Hall Effect Current
Sensor CYHCT-D6-300A-X
This Hall Effect current sensor is based on closed loop compensating
principle and can be
used for measurement of DC currents. The output of the transducer
reflects the real wave of
the current carrying conductor.
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Product Characteristics
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Applications
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Excellent accuracy |
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Frequency conversion timing equipments |
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Very good linearity |
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Various power supply |
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Small size |
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Uninterruptible power supplies (UPS) |
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Light in weight |
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Electric welding machines |
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Less power consumption |
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Transformer substation |
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Window structure |
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Numerical controlled machine tools |
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Electrically isolating the output of the transducer from the
current carrying conductor |
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Electrolyzing and electroplating equipments Electric powered
locomotive |
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No insertion loss |
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Microcomputer monitoring |
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Current overload capability |
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Electric power network monitoring |
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Electrical Data
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Part number |
CYHCT-D6-300A-X, X=1, 2 according to power supply
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Measuring range |
300 |
A
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Linearity range |
450 |
A
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Nominal output current |
150ą0.5% |
mA |
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Overload capacity |
600 |
A
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Power supply |
X=1 for ą12Vą5%,
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X=2 for ą15Vą5% |
V
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Current consumption |
≤25 +
output current |
mA |
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Galvanic isolation |
3KV RMS/50Hz/min |
KV |
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Accuracy
Dynamic Performance |
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Zero offset current |
ą0.2 |
mA |
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Hysteresis error |
ą0.2 |
mA |
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Thermal drift of offset current |
≤200
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ppm/°C |
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Response time |
<2 |
μs |
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Accuracy |
ą0.5 |
%
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Linearity |
≤0.1
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%FS |
General
Data
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Operating temperature |
-10 ~ +80 |
°C |
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Storage temperature |
-25 ~ +85 |
°C |
Connection
The current carrying cable must pass through the window. The phase
of output is the same as
that of the current passing the window in the direction of the arrow
indicated on the case.
Notes:
1. Connect the terminals of power source, outputs respectively and
correctly, never
make wrong connection.
2. Two potentiometers can be adjusted, only if necessary, by turning
slowly to the
required accuracy with a small screwdriver.
3. The best accuracy can be achieved when the window is fully filled
with bus-bar
(current carrying conductor).
4. The in-phase output can be obtained when the direction of current
of current carrying
conductor is the same as the direction of arrow marked on the
transducer case.
Related subjects: hall effect and
current measurement, displacement transducer, 3 phase current
transducer, ac current sensing
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