LU-193/190 Series Multi-function Meters
Product Details · PRODUCT DETAILS
LU-193 Multi-function Power Monitoring Meter
The LU-193 intelligent power monitoring meter combines programmable operation, automatic measurement, segment LCD display, multi-tariff energy accumulation, demand measurement and digital communication in a single three-phase power parameter monitor. It converts three-phase AC quantities into standardized digital values and automates measurement and data analysis, reducing human error and fully replacing power transducers and similar instruments.
I. Overview
The LU-193 smart power monitor is an intelligent three-phase comprehensive electrical parameter monitoring instrument that combines programmable functions, automatic measurement, segment LCD display, multi-tariff energy accumulation, demand measurement and digital communication in one unit. It converts three-phase AC electrical quantities into standardized digital values in a linear relationship. Integrating digital, intelligent and networked technologies, it automates the measurement process and data analysis, reduces human error, and can fully replace power transmitters, watt-hour meters, digital display meters, data acquisition units and similar instruments. It is an ideal product for building electrical automation systems; with its compact structure, advanced circuitry and powerful measurement functions, it represents a revolutionary design compared with conventional instruments.
The LU-193 smart power monitor can be widely used in electrical installations, automatic control and dispatch systems in industries and sectors such as power, post and telecommunications, petrochemical, coal, metallurgy, railway, municipal engineering and intelligent buildings.
II. Technical Specifications
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Item |
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Specification |
Voltage and current: 0.2 class; power: 0.5 class; energy: 1 class |
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Display |
Segment LCD |
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Input measurement |
Voltage |
Rated |
AC420V/AC100V |
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Overload |
Continuous: 1.2 times, instantaneous 2 times (10 s) |
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Power consumption |
<0.5VA(per phase) |
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Impedance |
>1MΩ(per phase) |
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Current |
Rated |
AC |
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Overload |
Continuous: 1.2 times, instantaneous 10 times (5 s) |
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Power consumption |
<0.4VA(per phase) |
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Impedance |
<20mΩ |
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Rated |
45-65Hz |
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Frequency |
4 sets of 12 time periods, 4 tariff rates |
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Multi-tariff energy |
U, I, P, Q, S sliding |
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Demand |
AC85~265V, DC85~330V |
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Power supply |
Normal operating range |
AC30~60V, DC18~90V |
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Optional operating range |
<4VA |
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Power consumption |
RS485/RS232 communication interface, MODBUS-RTU protocol |
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EMC |
Surge |
GB-T 17626.5-1998 (IV) |
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Electrical fast transient/burst |
GB-T 17626.4-1998 (IV) |
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Electrostatic discharge |
GB-T 17626.2-1998 (III) |
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RF electromagnetic field |
GB-T 17626.6-2008 (IV) |
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Operating environment |
Temperature: -10°C~+55°C Humidity: 20%~95%, no condensation |
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Storage environment |
Temperature: -25°C~+85°C Humidity: 20%~95%, no condensation |
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LU-193 Multi-function Power Monitoring Meter User Manual
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