莱姆 ATVR 离散传感器
随着电网的谐波成分的日益复杂，传统的测量方式不再能够满足测量精度要求。真有效值输出，是一个非常好的解决途径。
Electrical data
ATVR120-D420L ATVR250-D420L ATVR400-D420L
VPN
120 250 400 V
VP primary voltage measuring range 120 %VPN
ISN Secondary nominal current @Vp=0: Is=4 mA
@Vp=VpN: Is=20 mA
Va Auxiliary supply(Loop-powered � 5%) DC24 V
Vd R.m.s. voltage for AC isolation test 1 min 2.5kV
Accurancy-dynamic performance data
XG Accurancy(TA = 25 �C) <� 1 %
eL Linearity error <� 0.5 %
t r Response time @ 90 % of IP max < 250 ms
f Frequency bandwidth(-1dB) 40~5K Hz
Gerneral data
TA Ambient operating temperature -10.. 70 �C
TS Ambient storage temperature -15.. 80 �C
RM Measuring resistance < 500 ohm
m Mass 60 g
Standarda EN50178
