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HEYI Electrical CO.,LTD

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E-mail: heyi@heyiele.com

bethy@heyiele.com

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 LD2

 

LD2 series DC leakage current sensor is a series of new device developed according to principle of electromagnetic induction. Its low current is stable. It is highly insulating between its primary coil and secondary coil. This sensor is

used to measure current of signal system, circuit, and leakage monitoring system, as well as to measure current difference.

 

Electrical data (Ta=25±5,RL=2KΩ,CL=10000PF)

 

Type

LD2-10mA

LD2-20mA

LD2-30mA

LD2-50mA

LD2-100mA

Unit

Rated current(Ipn)

±10

±20

±30

±50

±100

mA

Measure range(Ip)

±12

±24

±36

±60

±120

mA

Rated output

@Ip=±Ipn                                ±5±1%

V

Supply voltage

±12,±15

V

Power Consumption

25

mA

Offset voltage

@Ip=0                                           ±50

mV

Offset drift

@ -40~+85℃                ≤±1.5

mV/℃

Output drift

@ -40~+85℃                 ≤±1

mV/℃

Linearity

@Ip=0-±Ipn                                      ≤1

%FS

Response time

@50A/μS, 10%-90%                     ≤50

μs

Galvanic isolation

@ 50HZ,AC,1min                             2.5

KV

 

Applications

 

 

· Variable speed drives

· Welding machine

· Battery supplied applications

· Uninterruptible Power Supplies (UPS)

· Electrochemical

  
Remarks

    All dimensions are in mm.

 General tolerance ±1mm.

 Elucidation: 1:+15V 2:–15V 3:V0UT 4:0V

 

Directions for use

1. When the current will be measured goes through a sensor, the voltage will be measured at the output end.

(Note: The false wiring may result in the damage of the sensor) 2. Custom design in the different rated input current and the output voltage are available.

 Standards

·UL94-V0.

·EN60947-1:2004

·IEC60950-1:2001

·EN50178:1998

·SJ 20790-2000 

General date

 

Value

Unit

Operating temperature

-40 to +85

Storage temperature

-40 to +125

Mass(approx)

90

g

 Characteristics chart

 

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Contact Online bethycai 285611779 86-13968747975 bethy@heyiele.com