LU-193/190 Series Multi-function Meters
Product Details · PRODUCT DETAILS
LU-193-ASNNN-SDWF Power Monitoring Meter
The LU-193 series intelligent power monitoring meter is a multi-function, high-precision and highly reliable power monitoring device. Its powerful expansion modules can replace a variety of instruments such as transmitters, relays and other function modules at favorable cost performance. As an advanced intelligent digital grid acquisition terminal, it is widely used in power monitoring systems for utilities, industrial and mining enterprises, public facilities and intelligent buildings.
The LU-193 series smart power monitor is an intelligent power monitoring device with multiple functions, high accuracy and high reliability. Its powerful expansion function modules can replace a variety of instruments such as transmitters, relays and other functional modules, delivering high cost effectiveness. As an advanced intelligent, digital power grid acquisition terminal, the LU-193 series power monitor can be widely used in power monitoring systems of power systems, industrial and mining enterprises, public utilities, intelligent buildings and other facilities.
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Terminal No. |
Terminal definition |
Terminal No. |
Pin definition |
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Terminal 1 |
Auxiliary power supply wiring terminals of the instrument |
1 |
Chassis ground FG |
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3 |
Auxiliary power supply N terminal |
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5 |
Auxiliary power supply L terminal |
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Terminal 2 |
Voltage signal input and extension energy pulse wiring terminals |
6 |
Energy pulse output EP1- |
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8 |
Energy pulse output EP1+ |
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10 |
Energy pulse output EP2- |
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12 |
Energy pulse output EP2+ |
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15 |
Voltage signal input U0 |
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17 |
C phase voltage signal input Uc |
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19 |
B phase voltage signal input Ub |
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21 |
A phase voltage signal input Ua |
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Terminal 3 |
Current signal input and expansionRS485wiring terminals |
22 |
RS485communication wiring B |
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23 |
RS485communication ground |
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24 |
RS485communication wiring A |
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28 |
C phase current output I3 |
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29 |
C phase current input I3* |
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31 |
B phase current output I2 |
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32 |
B phase current input I2* |
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34 |
A phase current output I1 |
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35 |
A phase current input I1* |
2. Technical Specifications
2.1 Basic Technical Parameters
LU193 basic technical parameters are listed in the table below:
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Item |
Technical Specification |
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Measurement accuracy |
Voltage: 0.2 class Current: 0.2 class Active power: 0.5 class Reactive power: 0.5 class Apparent power: 0.5 class Power factor: 0.5 class Active energy: 0.5 class Reactive energy: 1 class Frequency 0.1 class |
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Harmonic measurement |
2nd to 31st-order voltage and current harmonic components |
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Wiring mode |
Three-phase four-wire; three-phase three-wire; single-phase two-wire. |
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Frequency range |
45~65Hz |
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Rated input signal |
Voltage: 420V Current: 5A |
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Burden |
Voltage: <0.6VA(420V) Current: <0.1VA |
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Overload capability |
Voltage: 750V continuous; 1000V 10 s; 1200V 3 s Current: 2 times rated continuous; 1 times rated for 30 s; 25 times rated for 2 s; 50 times rated for 1 s |
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Auxiliary power supply |
AC: 85~265V 45~65Hz DC: 100 |
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Power consumption |
≤2W,4VA |
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Operating conditions |
Temperature: -10~+50°C; Humidity: 20~95% (non-condensing) |
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Storage conditions |
Temperature: -25~+75°C; Humidity: 20~95% (non-condensing) |
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Dimensions |
Basic model: 96mm×96mm×88mm With expansion module: 96mm×96mm×108mm |
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Panel cutout |
Square: 92mm×92mm Round: diameter d=100mm |
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Net weight |
0.8 kg |
LU-193-ASNNN-SDWF Power Monitoring Meter User Manual
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