LU-193/190 Series Multi-function Meters

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LU-293 Series Intelligent Multi-loop Multi-function Meter

The intelligent multi-loop multi-function meter manages up to 32 circuits. Each outgoing circuit is equipped with an electrical parameter measuring and control module that sends data to the meter over a field bus; the main unit is panel-mounted with an aluminum alloy front, while the acquisition modules are DIN-rail mounted. The meter provides measurement, metering and digital input/output functions for each circuit, including three-phase current and voltage, per-phase and total active power, pe

CategoryLU-193/190 Series Multi-function Meters
Model-
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Updated2026-10-27

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1. The smart multi-circuit multifunction meter provides measurement and control for 32 circuits. Each outgoing circuit is equipped with an electrical parameter measurement and control module, and the modules transmit data to the multi-circuit multifunction meter through the field bus. The meter body adopts flush mounting with an aluminum alloy panel, while the acquisition modules adopt DIN-rail mounting.

2. The meter shall provide measurement, metering, and digital input/output functions for each circuit. The measured data include three-phase current, voltage, per-phase/total active power, per-phase/total reactive power, power factor, and frequency; the metered data include per-phase/total active energy, per-phase/total reactive energy, and per-phase/total apparent energy. It provides 2 digital inputs, 2 digital outputs, and an active energy pulse output. The measurement accuracy is not lower than class 0.5, and the metering accuracy is not lower than class 1.

3. The acquisition module shall have an independent LCD display, allowing users to query the power parameters of each circuit and set the module's operating parameters. It provides more than 2 RS485 communication interfaces, and the communication protocol supports Modbus-RTU and DL/T645, facilitating parameter reading.

4. The rated input current range is selectable from 0~80A; for inputs above 80A, a current transformer connection is used;

5. The operating voltage adopts a wide-range power supply design: AC85~260V, DC120~360V;

6. The meter adopts an LCD display with a full Chinese-language interface and is capable of independently querying and displaying the power operating parameters of each circuit. It offers comprehensive data statistics and analysis functions, allowing users to query the energy data of the current month, the previous month, and the month before that. It provides local data storage, so data is not lost when a branch acquisition module is replaced.

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LU-193/190 Series Multi-function Meters

LU-293 Series Intelligent Multi-loop Multi-function Meter

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