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Power analyzer speeds testing via simpler user interface

Power analyzer speeds testing via simpler user interface

New Products |
By eeNews Europe



Aiming to reduce training effort and minimize the risk of operating errors ZES set out to make navigating the system easier.  A touchscreen has been introduced in order to evoke the corresponding configuration menu for any displayed item simply by touching it. Leafing through different views is equally simple, slightly tapping the tabs at the upper edge of the screen will do. In case the touchscreen is not used, a mouse can be connected via USB port, in addition the built-in display of the LMG640 can be complemented or even replaced by an external screen.

In order to better focus on selected values or even highlight them, individual views (‘custom menus’) can easily be defined. The desired values are displayed in the preferred form, and all irrelevant data gets suppressed. The layout can be adapted exactly in accordance with the requirements of the application at hand and individual preferences. To this end, tables, graphs and bar charts can be freely combined and enhanced e.g. with depictions of the unit under test and wiring diagrams. Custom views can quickly and easily be put together via drag-and-drop, in line with most familiar PC software tools.  

The integrated script editor allows further parameters derived from the measured ones to be calculated and displayed to become part of the custom views. The analysis of an electric motor can be illustrated with the obtained efficiencies, or the core losses of magnetic components can be displayed right next to their electric properties – the possibilities are almost unlimited.

The LMG640 is equipped with the company’s DualPath technology, which allows simultaneous narrow- and broadband measurements thanks to its novel double-ADC concept – without aliasing, without wasting time, without dubious digital post-processing.


The LMG640 can be equipped with up to four power channels (resp. three channels plus one I/O card e.g. to capture speed and torque) to cover a multitude of diverse measurement applications. Customers can choose from three different channel types to suit the application’s requirements for precision and bandwidth – and can combine them in one chassis. The highest achievable precision is at 0.015% of measured value plus 0.01% of maximum peak value, the maximum bandwidth reaches 10 MHz.
The outstanding common mode rejection of >120 dB protects against erroneous results even when measuring frequency converters, and the optimal adjustment between voltage and current channels guarantees highest precision even for high-frequency applications and small power factors.
 
www.zes.com

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