CR4420S-0.5

Frequency:	50Hz ~ 400kHz
Package / Case:	Module
Mounting Type:	DIN Rail, Panel
Polarization:	Bidirectional
Operating Temperature:	0°C ~ 60°C
Current - Supply (Max):	45mA
Response Time:	250ms
Voltage - Supply:	24V
Accuracy:	±0.5%
Linearity:	--
Series:	CR4400
Sensitivity:	--
Output:	Ratiometric, 4mA ~ 20mA
Number of Channels:	1
Current - Sensing:	500mA
Sensor Type:	Transformer w/Conditioning
For Measuring:	AC
Part Status:	Active
Packaging:	Bulk

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Current transducers are devices that measure the current in a circuit. The CR4420S-0.5 is one such device, used in various applications such as power control and measuring system ground leakage. This article describes the application field and working principle of the CR4420S-0.5.

The CR4420S-0.5 is a high-performance current transducer, designed to meet the applications where precise current measurement is required

. E.g. monitoring the state of a power circuit, or to measure ground leakage in the system. The device provides a high accuracy 0.5% measurement, with a wide current range up to 6A in direct connection, and up to 20A with external transducer.

The operating principle of the CR4420S-0.5 is based on a strain gauge transducer. This type of transducer works by measuring the force on an object due to the flow of the current through it. The device measures the strain on the internal transducer, which induce by the flow of the current and produces a signal proportional to the current value. This signal is then read by the analog to digital converter of the device to convert the current value into a analog signal, which is then amplified and output as the measured signal.

The CR4420S-0.5 has a wide operating temperature range, from -25°C to +75° C with a wide temperature coefficient and a high-impedance input. The device also features a high first-order linearity, current-limited output and fast response time. The device is also highly resistant to external interference, avoiding false measurements and providing reliable readings.

The CR4420S-0.5 is well suited for demanding industrial applications such as power control, rapid motor start-up, overload detection, and ground leakage current monitoring. It can also be used in medical applications such as cardiac loop monitoring, as well as in other areas where precise current measurement is required.

In conclusion, the CR4420S-0.5 is a high-performance current transducer designed for applications in which an accurate and reliable current measurement is needed. The device offers good accuracy, wide temperature range, high-impedance input, and fast response. It is suitable for use in various industrial and medical applications.

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