HLSR20-SM datasheet(8/13 Pages) LEM

Part #	HLSR20-SM

Description	Current Transducer

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Manufacturer	LEM [LEM]

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16December2013/Version 5 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice

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HLSR-SM series

Electrical data HLSR 40-SM

At T

A = 25 °C, UC = + 5 V, NP = 1 turn, RL = 10 KΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 9).

Parameter

Symbol

Unit

Min

Typ

Max

Comment

Primary nominal rms current

I

PN

A

40

Primary current, measuring range

I

PM

A

-100

100

For U

C < 4.75 V, IPM = 2.5

x I

PN

- 8 x (4.75-U

C)

Number of primary turns

N

P

-

1

Resistance of primary jumper @ T

A = 25 °C

R

P

mΩ

0.21

Resistance of primary jumper @ T

A = 105 °C

R

P

mΩ

0.29

T jumper = 120 °C

Supply voltage 1)

U

C

V

4.5

5

5.5

Current consumption

I

C

mA

19

25

Reference voltage (output)

V

ref

V

2.48

2.5

2.52

Internal reference

Reference voltage (input)

V

ref

V

0.5

2.65

External reference

Output voltage range @ I

PM

V

out - Vref

V

-2

2

Over operating temperature

range

V

ref output resistance

R

ref

Ω

130

200

300

series

V

out output resistance

R

out

Ω

2

5

series

Electrical offset voltage @ I

P = 0

V

OE

mV

-5

5

V

out - Vref @ Vref = 2.5 V

Capacitive loading

C

L

nF

0

6

Electrical offset current referred to primary

I

OE

mA

-250

250

Temperature coefficient of V

ref

TCV

ref

ppm/K

-170

170

-40 °C .. 105 °C

Temperature coefficient of V

out - Vref @ IP = 0

TCV

OE

mV/K

-0.075

0.075

-40 °C .. 105 °C

Temperature coefficient of I

OE

TCI

OE

mA/K

-3.75

3.75

-40 °C .. 105 °C

Theoretical sensitivity

G

th

mV/A

20

800 mV @ I

PN

Sensitivity error

ε

G

% of I

PN

-0.5

0.5

Factory adjustment

Temperature coefficient of G

TCG

ppm/K

-200

200

-40 °C .. 105 °C

Linearity error 0 .. I

PN

ε

L

% of I

PN

-0.5

0.5

Linearity error 0 .. I

PM

ε

L

% of I

PM

-0.5

0.5

Magnetic offset current

(@ 10 x I

PN) referred to primary

I

OM

A

-0.25

0.25

Reaction time @ 10 % of I

PN

t

ra

µs

2

@ 50A/ µs

Response time @ 90 % of I

PN

t

r

µs

2.5

@ 50A/ µs

Frequency bandwidth (- 3 dB)

BW

kHz

400

Output rms voltage noise spectral density

100 Hz .. 100 kHz

e

no

µV/√Hz

7

Output voltage noise

DC .. 10 kHz

DC .. 100 kHz

DC .. 1 MHz

V

no

mVpp

5.1

11.1

16.6

Accuracy @ I

PN

X

% of I

PN

-1

1

Accuracy @ I

PN @ TA = + 85 °C

X

85 °C

% of I

PN

-2.9

2.9

See formula note 2)

Accuracy @ I

PN @ TA = + 105 °C

X

105 °C

% of I

PN

-3.4

3.4

See formula note 2)

Notes: 1) 3.3 V SP version available

2)

X

TA

·

· (T

A - 25)

=

X + (

+

TCG

10000

TCI

OE

1000·I

P

100 · (T

A - 25)).

Accuracy @

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