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Welcome to


What is openZmeter?

openZmeter (oZm) is an opensource system aimed to help people to analyze and visualize power quality and electric energy in power networks. It has been designed to comply with international standards such as IEC 61000-4-30 and EN 50160 with a very reduced form factor (just a cigarette packet!).
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How did it all start?

oZm was born as a collaborative project between the University of Almeria UAL and the University of Granada UGR based on some strong ideas: to offer an effective tool that transparently applies advanced mathematical algorithms, to obtain accurate electrical measurements and open the system to the community to promote awareness in energy saving.
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What does it offer?

Based on the aforementioned ideas and the social responsibility of the university, we feel the commitment to open this result to the community. As an effort to build a professional grade hardware, it is able to measure single phase RMS voltages with an accuracy up to 0.1%, frequency up to 10 mHz (between 42.5 and 57.5 Hz for european systems) and RMS currents according to different sensor probes (the basic version can handle up to 400 V and 50 A RMS using an onboard Hall effect sensor with a precision of 1%). 
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Technical Features

But that isn't all!

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ENERGY SAVING


Monitor your home
electric energy to understand your pattern usage and explore your daily consumption.

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PROFESSIONAL  HARDWARE


Built with reliable components to get professional and accurate measurements to comply with standards.

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HIGH QUALITY


oZm samples at 16525Hz so harmonics up to 50 are captured. Channel agreggations from 3 seconds to 1 hour based on a 200ms window.

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BEAUTIFUL GRAPHS


oZm provides nice graphs with zoom, pan, filter and other capabilities to show clear and beautiful visualizations.

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OPENSOURCE


The project is opensource and openhardware so you can contribute!

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REALTIME COMPUTATION


oZm comes with RealTime linux ARM board and STM32 microprocessor, allowing realtime acquisition and processing of data.

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INTUITIVE DASHBOARD


Non-experienced users can track their electrical information at a glance with minimal knowledge of power systems.

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TELEGRAM INTEGRATION


Awesome!!! You can talk to your ozm and receive reports or notifications when something is wrong in your home. 

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POWERFUL API


We built a powerful api to query ozm and get detailed responses for every computed parameter.

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Get your oZm now

And save energy and money forever!

Buy oZm
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