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Qualified statements on energy consumption and power quality cannot be achieved with data limited to the Point of Common Coupling (PCC). For measurement in close proximity to the consumer, Janitza has developed the compact universal measuring device UMG 103-CBM, which conveniently fits into an installation distribution or sub-distribution panel. Along with a wide range of electrical measurement values, it offers many additional functions, such as harmonic measurement, storage of minimum and maximum values, and a bimetal strip function.

The new Janitza UMG 103-CBM is based on the proven UMG 103 technology. The clock, battery, and data memory allow this device to tackle entirely new applications. On one hand, data security is significantly increased, which is crucial when energy data needs to be collected separately for individual company units or customers. On the other hand, the device can act as a standalone solution in areas where differentiated network monitoring was previously too costly. If all profiles are activated, 400,000 measurement values can be stored, representing a period of 144 days. Thanks to the integrated clock, measurement data can be timestamped.

Suitable applications include energy distribution systems, cost center billing, and threshold monitoring. It can also be used as a measuring value converter for building management systems or PLCs. The device is supplied without a display and with minimal control elements, keeping costs low and enabling the economical implementation of a large number of measuring points. The RS485 interface is used for reading and programming. The UMG 103-CBM can be operated as a slave device of a higher-level unit, such as the UMG 604E, or directly connected to a PC. The GridVis® Basic software package, included in the delivery, allows for extensive data analysis, for example.