B2 Type Current Sensor,Closed Loop Hall Effect Current Sensor

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Home > Current Sensor > Closed Loop Hall Effect C...

B2 Type Current Sensor

B2 Type Current Sensor

Description

Description

Introduce

B2 series multi-range current sensor is a closed loop device based on the measuring principle of the hall effect and null balance method, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents.

Applications

AC variable speed drives

Static converters for DC motor drives

Battery supplied applications

Uninterruptible Power Supplies (UPS)

Switched Mode Power Supplies (SMPS)

Power supplies for welding applications

Directions for use

When the current will be measured goes through a sensor, the current will be measured at the output end. (Note: The false wiring may result in the damage of the sensor)

Custom design in the different rated input current and the output current are available.

Technical Parameter

Type	B2-25A	Unit
Rated current（Ipn）	25	A
Measure range（Ip）	±50	A
Measure resister range	100～460	Ω
Rated output (Isn)	±25	mA
Supply voltage	±15V	V
Power Consumption	≤20+ IpX(Np/Ns)	mA
Turns ratio(Np/Ns)	1-2-3-4:1000	T
Zero offset current	@Ip=0 ≤±0.15	mA
Offset current drift	@ -40～+85℃ ≤±0.5	mA
Response time	@50A/μ S,10%-90% ＜1	μS
Linearity	@Ip=0-±Ipn ≤0.1	%FS
Galvanic isolation	@ 50HZ/60HZ,AC,1min 5	KV
di/dt accurately followed	＞50	A /μS
Bandwidth	DC～100	KHZ
Secondary coil resister@70℃	50	Ω

Pin connections

Turns	Rated current IPN(A)	Measure range Ip(A)	Rated output Isn(mA)	Turns ratio	Primary resister (mΩ）	Primary inductance (uH)	Pins connections
1	25(35)	50(70)	25(35)	1/1000	0.3	0.023
2	12(17.5)	24(35)	25(35)	2/1000	1.1	0.09
3	8(12)	16(24)	25(36)	3/1000	2.5	0.21
4	6(9)	12(18)	25(36)	4/1000	4.4	0.37
5	5(7)	10(14)	25(35)	5/1000	6.3	0.58

Dimensions

Mechanical dimension(for reference only)

Note

1. All dimensions are in mm.

2. General tolerance ±1mm.

General date	Value	Unit
Operating temperature(TA)	-40 to +85	℃
Storage temperature(TS)	-40 to +125	℃
Mass(approx) (M)	22	g

Accuracy test

Pulse current signal response characteristic

Effects of impulse noise

( Input signal )

( Output signal )

( Output voltage )

Standards

UL94-V0.

EN60947-1:2004

IEC60950-1:2001

EN50178:1998

SJ 20790-2000

24Hs online service
365Ds NON-Stop Production 20Ys Professional Manufacturers

Professional designer and manufacturer of current transformer,
cooperated with Siemens ,schneider Fuji electrical softbank LG samdsung.

Tel:13968747975

E-mail: [email protected]

Add:(Zhejiang Lierde Relay Co., Ltd.) Xinguang Ind. Zone, Liushi Town, Wenzhou, Zhejiang, China

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