LAX-100-NP Datasheet, PDF (2/12 Pages) LEM – Current Transducer LAX SERIES

LAX series 16-100 A
Electrical data
At
T=
A
25°C,
V=
C
±
15
V
and
R
M
=
50
Ω,
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
Measuring resistance
Secondary nominal current rms
Supply voltage
Current consumption
Electrical offset current
Magnetic offset current
Temperature variation of I_O
Sensitivity
Primary turns
Sensitivity error
Linearity error
Overall accuracy
Reaction time
di/dt accurately followed
Output current noise
Secondary coil resistance
Symbol Unit Mini
Typ
Maxi
Conditions
I_PN
At
100
Apply derating according to fig. 2 and 3
I_PM
At ± 160
49
R_M
Ω
0
0
I_SN
mA
50
* VC = ± 15 V ± 5%
51
* ^{VC = ± 15 V ± 5%, ± IPM measuring range,}
DC primary current
51
* ^{VC = ± 15 V ± 5%, ± IPM measuring range,}
AC primary current
15
* ^{VC = ± 12 V ± 5%, ± IPM measuring range,}
DC or AC primary current
at 100 At
V_C
V ± 11.4
± 15.75
I_C
mA
10 + I_S 12 + I_S
I_OE
µA -150
0
+150
V_C = full range
31
65
after a cycle to 50 A
I_OM
µA
41
70
100
230
after a cycle to 100 A
after a cycle to 300 A
120
250
after a cycle to 500 A
-200
I_OT
µA -330
200
0°C .. + 70°C, V_C = full range
330
- 25°C .. + 85°C, V_C = full range
-500
500 * - 40°C .. + 85°C, VC = full range
G mA/At
0.5
N_P
1
3
ε_G
% -0.47
0.47
%
ε_L
of
range
0.1
0.28
0.06
0.14
0.11
0.32
± 100 A range
± 50 A range
± 100 A range
± 100 A range, low speed 1 turn PCB design
X_G
t_ra
di/dt
%
µs
A/µs
-0.91
0.1
> 100
0.91
ε ε = I_OE + _G + _L
high and low speed PCB designs,
dI_P/dt = 100 A/µs
I_no
µA_rms
0.17
0.17
0.1 Hz < f < 49 Hz, I_P = 0
51 Hz < f < 1 kHz, I_P = 0
R_S
Ω
0.11
60
1 kHz < f < 100 kHz, I_P = 0
070615/8
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
Page 2/12
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