Datasheet > LTS25-NP_07

LTS25-NP_07

更新时间： 2024-02-27 23:59:16

品牌	Logo	应用领域
莱姆 - LEM		传感器
页数	文件大小	规格书
3页	238K
描述
Current Transducer

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中文翻译

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数据手册

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LTS25-NP_07 数据手册

Current Transducer LTS 25-NP

I_PN= 25 At

For the electronic measurement of currents : DC, AC, pulsed, mixed,

with a galvanic isolation between the primary circuit (high power)

and the secondary circuit (electronic circuit).

16054

Electrical data

I_PN

I_PM

V_OUT

Primary nominal current rms

Primary current, measuring range

Output voltage (Analog) @ I_P

I_P= 0

Sensitivity

Number of secondary turns (± 0.1 %)

Load resistance

0 .. ± 80

2.5 ± (0.625·I_P/I_PN)V

2.5 ¹⁾

Features

· Closed loop (compensated) multi-

range current transducer using the

Hall effect

· Unipolar voltage supply

· Isolated plastic case recognized

according to UL 94-V0

· Compact design for PCB mounting

· Incorporated measuring resistance

· Extended measuring range.

mV/A

N_S

R_L

R_IM

2000

³ 2

< 50

ppm/K

Internal measuring resistance (± 0.5 %)

TCR_IMTemperature coefficient of R _IM

V_C

I_C

Supply voltage (± 5 %)

Current consumption @ V_C= 5 V

Typ

28+I_S²⁾+(V_OUT/R_L)mA

Advantages

Accuracy - Dynamic performance data

· Excellent accuracy

· Very good linearity

Accuracy @ I_PN, T_A= 25°C

Accuracy with R_IM@ I_PN, T_A= 25°C

Linearity error

± 0.2

± 0.7

< 0.1

· Very low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

Typ Maxi

TCV_OUTTemperature coefficient of V_OUT@ I_P= 0 - 10°C .. + 8 5°C 50

100 ppm/K

150 ppm/K

50 ³⁾ppm/K

- 40°C .. - 10°C

- 40°C .. + 85°C

TCG

V_OM

Temperature coefficient of G

Magnetic offset voltage@ I_P= 0,

· Current overload capability.

after an overload of 3 x I_PN

± 0.5

± 2.0

5 x I_PN

10 x I_PN

Applications

· AC variable speed drives and servo

motor drives

t_ra

t_r

Reaction time @ 10 % of I_PN

Response time to 90 % of I_PNstep

< 100

< 400

· Static converters for DC motor drives

· Battery supplied applications

· Uninterruptible Power Supplies (UPS)

· Switched Mode Power Supplies (SMPS)

· Power supplies for welding

applications.

di/dt di/dt accurately followed

> 60

DC .. 100

DC .. 200

A/µs

kHz

Frequency bandwidth (0 .. - 0.5 dB)

(- 0.5 .. 1 dB)

General data

T_A

T_S

Ambient operating temperature

Ambient storage temperature

Insulating material group

Mass

- 40 .. + 85

- 40 .. + 100

III a

°C

Applicationdomain

Standards

EN 50178: 1997

IEC 60950-1: 2001

· Industrial.

Notes:

Absolute value @ T_A= 25°C, 2.475 < V_OUT< 2.525

I_S= I_P/N _S

Only due to TCR_IM

Specification according to IEC 61000-4-3 are not guaranteed between

180 and 220 MHz.

Page 1/3

070129/19

LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.

www.lem.com

12 3

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