Datasheet > AKR50B420L

AKR50B420L

更新时间： 2024-10-28 03:18:31

品牌	Logo	应用领域
莱姆 - LEM		/
页数	文件大小	规格书
2页	219K
描述
AC Current transducer

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数据手册

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AKR50B420L 数据手册

I_PN= 2..200A

AC Current transducer AKR-B420L

ASplitCoretransducerfortheelectronicmeasurementACwaveforms

current, with galvanic isolation between the primary (High power) and

the secondary circuits (Electronic circuit). Jumper selectable ranges

and True RMS 4-20mA current output.

Electrical data

Features

Analogue Output Signal¹⁾

I_OUT(mA)

Type

RoHS

· VFD and SCR waveforms current

measurement

Primary Nominal Current

I_PN(A.t.RMS)

Date Code

· True RMS responding

· Split core box

2,5

4-20

AKR 5 B420L JUNE 2006

· Current output

10,20,50

4-20

AKR 50 B420L planned

AKR 200 B420L planned

· Loop powered transducers

· Panel mounting

100,150,200

· Jumper selectable ranges

Supply voltage (Loop powered)

V DC

R_L

V_b

V_d

Load resistance

see power supply diagram

150

Rated voltage (CAT III, PD2)

V AC

kV AC

Advantages

RMS Isolation voltage test, 50 Hz, 1mn

Frequency bandwith

10-400

· Large aperture

· High isolation between primary and

secondary circuits

Accuracy - Dynamic performance data

· Easy to mount

t_r

Accuracy@ I_PN, T_A=25°C

± 1

Response time @ 90% of I_PN

< 600

Applications

General data

· VFD Controlled Loads: VFD output

indicates how the motor and

attached load are operating.

· SCR Controlled Loads:

T_A

T_S

Ambient operating temperature (0-95% RH)

Ambient storage temperature

- 20 ..+ 50

- 20 ..+ 85

°C

Mass

Safety

EMC

120

Acurate measurement of phase

angle fired or burst fired (time

proportioned) SCRs.

IEC 61010-1

EN 61326

· Switching Power Supplies and

Electronic Ballasts: True RMS sensing

is the most accurate way to

measure power supply or ballast

input power.

Note: ¹⁾For 4-20mA output model, no saturation output up to 23 mA.

Selecting the transducer

VFD (Variable Frequency Drive) and SCR (Semi Conductor Rectifier) output

waveforms are rough approximations of a sine wave. There are numerous spikes

and dips in each cycle. AKR transducers use a mathematical algorithm called

“True RMS,” which integrates the actual waveform over time. True RMS is the only

way to accurately measure distorted AC waveforms. Select AKR transducers for

nonlinear loads or in “noisy” power environments.

Options on request

· DIN mounting

060816/5

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

Page 1/2

LEM

www.lem.com

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