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LAX series 16-100 A
Electrical data
At T A = 25°C, V C = ± 15 V and R M = 50 ?, N P = 1 turn, high speed PCB design (see page 11), unless otherwise noted.
Parameters with a * in the conditions column apply over the - 40°C.. 85°C ambient temperature range.
Parameter
Primary nominal current rms
Primary current, measuring range
Symbol
I PN
I PM
Unit
At
At
Mini
± 160
Typ
Maxi
100
*
Conditions
Apply derating according to fig. 2 and 3
V C = ± 15 V ± 5%
49
51
*
V C = ± 15 V ± 5%, ± I PM measuring range,
DC primary current
Measuring resistance
R M
?
0
51
*
V C = ± 15 V ± 5%, ± I PM measuring range,
AC primary current
0
15
*
V C = ± 12 V ± 5%, ± I PM measuring range,
DC or AC primary current
Secondary nominal current rms
Supply voltage
Current consumption
I SN
V C
I C
mA
V
mA
± 11.4
50
10 + I S
± 15.75
12 + I S
at 100 At
Electrical offset current
I OE
μA
-150
0
+150
V C = full range
31
41
65
70
after a cycle to 50 A
after a cycle to 100 A
Magnetic offset current
I OM
μA
-200
100
120
230
250
200
after a cycle to 300 A
after a cycle to 500 A
0°C .. + 70°C, V C = full range
Temperature variation of I O
I OT
μA
-330
-500
330
500
*
- 25°C .. + 85°C, V C = full range
- 40°C .. + 85°C, V C = full range
Sensitivity
Primary turns
G
N P
mA/At
1
0.5
3
Sensitivity error
ε G
%
-0.47
0.47
± 100 A range
0.1
0.28
± 50 A range
Linearity error
ε L
%
of
range
0.06
0.14
± 100 A range
0.11
0.32
± 100 A range, low speed 1 turn PCB design
Overall accuracy
Reaction time
di/dt accurately followed
X G
t ra
di/dt
%
μs
A/μs
-0.91
0.1
> 100
0.91
= I OE + ε G + ε L
high and low speed PCB designs,
dI P /dt = 100 A/μs
0.17
0.1 Hz < f < 49 Hz, I P = 0
Output current noise
I no
μA rms
0.17
51 Hz < f < 1 kHz, I P = 0
0.11
1 kHz < f < 100 kHz, I P = 0
Secondary coil resistance
R S
?
60
Page 2/12
070615/8
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www .lem.com
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