IT150-S Datasheet, PDF (1/2 Pages) LEM – HIGH ACCURACY CURRENT TRANSDUCER

IT 150-S
HIGH ACCURACY CURRENT TRANSDUCER
Basic specifications
Primary current I (max.)
Polarity
Output current (max.)
Overload capacity :
Normal operation
Basic function maintained
Fault
External Burden resistor - see fig. 1 :
Max.
Min.
Current transfer ratio
Linearity
Measuring/ratio stability :
Initial
v.s. temperature
v.s. time
Offset :
Initial
v.s. temperature
Output noise (RMS) :
DC .. 10 Hz
DC .. 10 kHz
DC .. 50 kHz
Feedback noise (RMS), DC .. 50 kHz
(measured on the primary current cable - one turn)
Busbar free zone (from center)
0-150 A
Bipolar
0-200 mA
100 %
110 %
500 % (0.1 s)
200 Ω
5Ω
750 : 1
< 1 ppm
< 2 ppm
< 0.3 ppm/°C
< 1 ppm/month
8 µA
0.1 µA/°C
< 0.04 µA
< 2.4 µA
< 8 µA
< 10 µV
(typical 5 µV)
r > 70 mm
di/dt accurately followed
Bandwidth (3 dB, small signal 0.5 %)
Test voltage (pin 4 - ground to a ∅ 25 busbar)
Operating temperature
> 100 A/µs
DC to 100 kHz
5 kV AC (RMS)
10-50°C
Input power requirement
max. power consumption 5 VA
± 15 V < ± 5 %
+ 15 V : 200 mA, - 15 V : 50 mA
+ compensation current
Mechanical dimensions
122 x 98 x 57 mm
hole for busbar or cable : ∅ 26 mm
Weight
approx. 1 kg
All ppm figures refer to max. output current. Specifications are subject to change without notice.
We recommend that a shielded output cable and plug are used to ensure the maximum immunity
against electrostatic fields.
LEM Components
981014/2
www.lem.com