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参数资料
| 型号： | IT150-S |
| 厂商： | LEM |
| 英文描述： | HIGH ACCURACY CURRENT TRANSDUCER |
| 中文描述： | 高精度电流互感器 |
| 文件页数： | 1/2页 |
| 文件大小： | 67K |
| 代理商： | IT150-S |
IT 150-S
HIGH ACCURACY CURRENT TRANSDUCER
Basic specifications
Primary current I (max.)
0-150 A
Polarity
Bipolar
Output current (max.)
0-200 mA
Overload capacity :
Normal operation
100 %
Basic function maintained
110 %
Fault
500 % (0.1 s)
External Burden resistor - see fig. 1 :
Max.
200
Min.
5
Current transfer ratio
750 : 1
Linearity
< 1 ppm
Measuring/ratio stability :
Initial
< 2 ppm
v.s. temperature
< 0.3 ppm/°C
v.s. time
< 1 ppm/month
Offset :
Initial
8 A
v.s. temperature
0.1 A/°C
Output noise (RMS) :
DC .. 10 Hz
< 0.04 A
DC .. 10 kHz
< 2.4 A
DC .. 50 kHz
< 8 A
Feedback noise (RMS), DC .. 50 kHz
(measured on the primary current cable - one turn)
< 10 V
(typical 5 V)
Busbar free zone (from center)
r > 70 mm
di/dt accurately followed
> 100 A/s
Bandwidth (3 dB, small signal 0.5 %)
DC to 100 kHz
Test voltage (pin 4 - ground to a
25 busbar)
5 kV AC (RMS)
Operating temperature
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.
981014/2
LEM Components
www.lem.com
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