HOME | Company Profile | News | Products | Contact us
 
   
      
 
  newsnewsnamemygad
       Closed Loop Current Sensors
 
QBC-B

产品图片:2008121125719.jpg  



          QBC300B Hall-effect Current Sensor Series

QBC00B series is a new generation of current sensor based on the principle of Hall-effect. It can be used for detecting DC、 pulse and various irregular waveform current under electrical isolation between output and input.

Electrical characteristics

 

Type

QBC025B

QBC050B

QBC100B

QBC200B

QBC300B

 

IPN

Primary nominal input current

25

50

100

200

300

A

IP

Measuring primary current range                         

0~±75

0~±150

0~±300

0~±600

0~±900

A

ISN

Nominal output current

25

50

100

100

100

mA

KN

Turns ratio

1:1000

1:1000

1:1000

1:2000

1:3000

 

RM

Measurement resistance( VC=±15V/ IPN)

0~380

0~175

0~155

0~51

0~24

Ω

VC

Supply voltage

±12~±18(±5%)

V

IC

Current loss

VC=±15V                      10+Is

mA

Vd

Insulation voltage

3KV AC/50Hz/1min

 

Dynamic characteristics

εL

Linearity

≤0.1

%FS

X

Precision

TA =25℃                       ±0.7

%

I0

Offset current

TA =25℃                      <±0.15

mA

IOM

Residual current                                  

IP→0                          <±0.40

mA

IOT

Offset current temperature drift                                 

IP=0  TA =–25~+85℃        ±0.2~±0.65

mA/℃

TR

Response time

 <1

μs

f

Band width(-3dB)

DC~150

KHz

Generic characteristics

TA

Operation temperature                  

–40~+85

TS

Storage temperature                 

–40~+125

RS

Secondary internal resistance(TA =25℃)

20

20

20

25

35

Ω

 

Standard

 

 

◆ alternating current variable-speed generator tracking

◆ welding equipment source

◆ DC generator static electricity commutation

◆ communication source 、battery source

◆ UPS, switching power supplies

 

Advantages                                Typical applications

◆ output can be voltage signal

◆ better anti-jamming capability     

◆ low temperature drift, ,broad frequency band width

package outlinemm 

Elucidation

1:+15V      2:-15V 

3:Iout       4:no connection 

OFS:zero adjustment 

 

 
Address:南京市大明路135-3号
Phone:025-52619808   52619628   Fax:025-52619628
E-mail:hallsensor@hotmail.com、cgq@china-cgq.cn   Website:www.chinasensors.net   www:china-cgq.cn