Closed Loop Hall Effect Current Sensor

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Hall effect current sensor for leakage current detection

 

P/N: LO-HALL-CT0100

 

Introduction

 

Closed-loop sensors measure AC and DC currents and provide electrical isolation. They offer fast response, high linearity, and low emperature drift. The current output of the closed-loop sensor is relatively immune to electrical noise. The Closed- Loop sensor is sometimes called a'Zero-Flux'sensor because its Hall-Effect sensor feeds back an opposing current into a secondary coil, wound on the magnetic core to zero the flux produced in the magnetic core by the primary current. Closed-loop sensors are often the sensor of choice when high accuracy is essential.

 

Features：

 

• Wide frequency range

• Good overall accuracy

• Fast response time

• Low temperature drift

• Excellent linearity

• No insertion loss

 

Application：

 

AC inverters	DC motor drive static converters
Communication power supplies	Uninterruptible power supplies
Switch power supplies	Welder power applications
UPS power supply	New energy
Smart transportation	Chemicals and Machinery

 

Electric specifications：

 

	P/N	LO-HALL-CT0100 700mA/7V
In	Rated Input(AC)	700mA
IP	Testing range	0.01-700mA
RM	Testing resistor	>10KΩ
VM	Rated Output(AC)	7V
KN	Turns Ratio	-----
X	Accuracy(Ta=+25℃)	5% of standard values
VC	Power Voltage	±12VDC/±15VDC
VI	Dielectric voltage	AC2.5KVA,50Hz,60S
Vaff	Offset voltage@25℃	When primary current is In=0, <±1mV
Td	Temperature drift(-40℃-+85℃)	0.05%/℃ of VM
L	Linearity	<0.02%
	di/dt	-----
F	Frequency range	50HZ(400HZ)
Ta	Operation temperature	-40℃-+85℃
Ts	Storage temperature	-40℃-+100℃
Ic	Power loss	10mA
Rs	Secondary resistance@25℃	------
RN	Primary resistance@25℃	------
W	Weight	730g

 

 

Schematic Diagram：

 

 

 

Mechanical Specifications：

Wuxi Liou Electronics Co Ltd

 

Our company adheres to the development and innovation, keeps improving, and its production and sales increase year by year, and has become an advanced enterprise in the Closed Loop Hall Effect Current Sensor industry. We insist on building a first-class mechanism and platform, so as to continuously create value for customers, and then form a win-win situation. We firmly believe that 'continuously maintaining customer satisfaction' is the key to enterprise development. With excellent business philosophy and perfect after-sales service, we will continue to make sincere contributions to our customers.

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