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

产品图片:2008121123839.jpg  



          QBC500F Hall-effect Current Sensor Series

QBC500F 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

QBC200F

QBC300F

QBC400F

QBC500F

 

IPN

Primary nominal input  current

200

300

400

500

A

IP

Measuring primary current range                         

0~±800

0~±1200

0~±1400

0~±2000

A

ISN

Nominal output current

100

mA

KN

Turns ratio

1:2000

1:3000

1:4000

1:5000

 

VC

Supply voltage

±15~±24(±5%)

V

IC

Current loss

VC=±15V                  20+Is

mA

Vd

Insulation voltage

6KV AC/50Hz/1min

 

Dynamic characteristics

εL

Linearity

  <0.1

%FS

X

Precision

TA =25℃ VC=±15V          ±0.7

%

I0

Offset current

TA =25℃                   <±0.20

mA

IOM

Residual voltage                                 

IP→0                      <±0.20

mA

IOT

Offset voltage temperature drift                                 

IP=0 TA = –25~+85℃     ±0.1~±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℃)                       

25

30

35

42

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

◆  excellent precision ,good linearity

◆  better anti-jamming capability     

◆      low temperature drift, quick response time

◆      broad frequency band width

◆      good over-current capability

 package outlinemm      

  

Elucidation

1:+15V 

2:-15V  

3:Vout  

4:0V  

OFS:zero adjustment 

GIN:gain 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