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UMG 103 CBM | Universal measuring device with communication

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UMG 103-CBM
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Product description

The UMG 103-CBM is a three-phase universal energy meter designed to perform accurate measurements in both TN and TT networks. The meter is equipped with a clock, a battery, and 4 MB of memory for storing measurement data, making it a reliable and sustainable solution for energy monitoring.

The energy meter can measure harmonics up to the 25th order and has four voltage measurement inputs for three-phase four-wire systems up to 277 V and three-phase three-wire systems up to 480 V. Additionally, there are three current measurement inputs for current transformers with an adjustable nominal current of 5/1A.

The measured current ranges from 0.005 to 6 A. For easy integration with other systems, the energy meter features an RS485 interface that supports Modbus RTU/slave communication. This allows for remote reading and management of the meter, making it an ideal choice for industrial and utility applications.

Main features of UMG 103-CBM:
  • Measurement in TN and TT networks
  • 3 voltage inputs (300V CATIII), 3 current inputs
  • Continuous scanning of voltage and current inputs
  • High accuracy, class 0.5, U / I 0.2%
  • Harmonic analysis up to the 25th order
  • Includes GridVis software
  • RS485 (Modbus RTU, Slave)
  • Mounting on DIN rail 35mm
  • Suitable for installation in distribution boards

Documents

Specifications

MountingDIN-rail
SeriesUMG 103-CBM
Communication interface

A communication interface is a physical or software-based connection between two systems or devices, enabling them to communicate and exchange data.

Communication interfaceRS485
Communication protocol

A communication protocol is a set of rules and standards used to enable the exchange of data between different devices or systems.

Communication protocolModbus RTU
Memory

Janitza measuring instruments are equipped with memory, allowing measurement values to be stored in memory for extended periods of time.

Memory4Mb Flash = 156k values
Auxiliary voltage

Auxiliary voltage is the additional voltage required to supply a device with power for proper operation and measurements.

Auxiliary voltageNone (UMG96 / UMG103)
Harmonics

A harmonic is a frequency that is an integer multiple of the fundamental frequency. The fundamental frequency is the lowest (natural) frequency that a system exhibits by default. A natural frequency of a system is a frequency that the system can inherently exhibit.

HarmonicsU/I to 40th order
BrandJanitza
CategoryUniversal energy meters
EAN Code4251861100194
Product codeJA500138
Supplier code5228001
Unitst

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