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LT2005-S

Current Transducer LT 2005-S

LEM Industrial 

Current Transducer LT 2005-S

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

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

and the secondary circuit (electronic circuit).

IPN = 2000 A

Electrical data

I

Primary nominal r.m.s. current

PN

IP

Primary current, measuring range @ ± 24 V

R

Measuring resistance

M

with ± 15 V

with ± 24 V

@ ± 2000 A

max

@ ± 2200 A max

@ ± 2000 A

max

@ ± 3000 A max

ISN

Secondary nominal r.m.s. current

K N Conversion ratio

VC Supply voltage (± 5 %)

IC

Current consumption

V

R.m.s. voltage for AC isolation test, 50 Hz, 1 mn

d

Accuracy - Dynamic performance data

εX G

L

Overall accuracy @ IPN , TA = 25°C

Linearity

I

O

IOT

tr

di/dt

f

Offset current @ I = 0, T = 25°C

P

A

Thermal drift of IO

Response time 1) @ 90 % of IP max

di/dt accurately followed

Frequency bandwidth (- 1 dB)

0°C .. + 70°C

General data

TA

Ambient operating temperature

T

Ambient storage temperature

S

R S Secondary coil resistance @ TA = 70°C

m

Mass

Standards 2)

2000

A

0 .. ± 3000

A

R

M min

R

M max

0

7.5 Ω

0

4

Ω

5

27.5 Ω

5

10

Ω

400

mA

1 : 5000

± 15 .. 24

V

20 (@ ± 24 V) + IS mA

6

kV

± 0.3

%

< 0.1

%

Typ Max

± 0.8 mA

± 0.2 ± 0.3 mA

<1

> 50

DC .. 100

µs

A/µs

kHz

0 .. + 70

°C

- 25 .. + 85

°C

25

Ω

1.5

kg

EN 50178

Features

•Closed loop (compensated) current

transducer using the Hall effect

•Insulated plastic case recognized

according to UL 94-V0.

Advantages

•Excellent accuracy

•Very good linearity

•Low temperature drift

•Optimized response time

•Wide frequency bandwidth

•No insertion losses

•High immunity to external

interference

•Current overload capability.

Applications

•AC variable speed drives and servo

motor drives

•Static converters for DC motor drives

•Battery supplied applications

•Uninterruptible Power Supplies

(UPS)

•Switched Mode Power Supplies

(SMPS)

•Power supplies for welding

applications.

Notes : 1) With a di/dt of 100 A/µs

2) A list of corresponding tests is available

LEM Components

980806/4

w w w .lem.com

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