Product
Provide users with high-quality products and services
Core values
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DTSU1900c
Three-Phase Energy Meter


The DTSU1900c is a multi-functional Three-Phase DIN-Rail Energy Meter, primarily designed for metering management and power monitoring in public buildings, industrial plants, smart microgrids, and similar fields. Through wireless communication networking or wired communication transmission, it assists users in addressing application requirements such as sub-user electricity metering, energy management, cost management, and load control. It features precise electrical parameter measurement, bi-directional energy metering, over-limit alarm, harmonic measurement, and more.


Key Features
Measurement Accuracy
Parameter Accuracy Resolution Range
Frequency 0.01 Hz 0.01 Hz 45 Hz~65 Hz
Voltage 0.2% 0.01V 10~1000 kV
Current 0.2% 0.001A 1mA~50000 A
Active Power 0.2% 0.001 kW -99~99 MW
Reactive Power 0.5% 0.001kvar -99~99    Mvar
Apparent Power 0.5% 0.001kVA -99~99 MVA
Power Factor 0.5% 0.001  -1.000~1.000
Active Energy 0.2S 0.0001kWh(1~4 Decimal places can be set) 0~420000000.0000 kWh
Reactive Energy 0.5S 0.0001 kvar(1~4 Decimal places can be set) 0~420000000.0000  kvar
Apparent Energy 0.5S 0.0001 kVAh (1~4 Decimal places can be set) 0~420000000.0000  kVAh
Harmonic Content and THD 1% 0.01% 0%~600%
Unbalance 2% 0.1% 0%~100%
Load Level Indication 1% 1% 0%~120%
Features

Metering

Fast and Accurate Data Acquisition

Real-Time Measurement of Voltage, Current, Power, and

Other Electrical Parameters

Four-Quadrant Power Display

Energy (D Class (0.2S), 8 Tariffs)

High-Precision Bi-Directional Energy Metering

Daily and Monthly Energy Record

Freeze Meter Reading

Demand Calculation

10-Year Holiday Setting

Demand

Current Demand, Power Demand and Peak Demand

Power Quality

Voltage Unbalance, Current Unbalance

THD and Individual Harmonics to 63rd

                                   

Mass Storage

Select Parameters as Monitoring Targets with Scheduled

Meter Storage

Structured Datasets Enabling AI-Powered Predictive

Analytics

Carbon Equivalent

Built-In Model for Load Carbon Equivalent Calculation

Real-Time Adjustable Carbon Equivalent Factors

Convenient Debugging

Bluetooth-Enabled Remote Commissioning

Communication

Multiple Options: RS485, Ethernet, WIFI

Simplified Networking Architecture

 

Application Area
Data Download