Solving the problem

We believe in building something that matters. Something that has a positive impact on the lives of many. This is why we have created uRADMonitor, because our bodies are fragile and because pollution is harmful both to us and to the environment. So we have designed a worldwide network of automated monitors, as a first line detection and warning system against the harmful chemical and physical factors around us.

The hardware

We have designed 4 hardware products, optimised for low power usage, equipped with Internet connectivity and advanced sensors:

uRADMonitor model A


model A is a high quality radiation dosimeter in a rugged aluminium enclosure. It also has a rubber gasket for rain protection allowing mounting outdoors. This model has an internal temperature sensor and a Geiger Tube to detect Gamma radiation (2 parameters). Measurements are transmitted automatically, via the Internet, using a cable Ethernet connection, so you can see the readings on the uRADMonitor portal, directly in your LAN by connecting to the unit, or using the Android app. Read more…

uRADMonitor model KIT1


model KIT1 is intended as open source for those who want to build their own dosimeter with their own tools, this is also available as a ready made unit. Similar to model A , it measures the Gamma radiation and using the integrated Ethernet connectivity, will send all measurements automatically via the Internet, to the central server (1 parameter). It can also be used as a portable dosimeter, showing all measurements on the LCD. It can also be hacked and modded easily, the beauty of open source. Read more…

uRADMonitor model D


model D is the first unit designed to also address air pollution, with the built in BME680 sensor from Bosch for air quality, a Sharp photoelectric dust sensor, but also a high quality LND712 geiger tube manufactured in the USA for alpha, beta and gamma radiation ( 6 parameters). These are mobile units on a rechargeable battery, with GPS for location mapping and Wifi connectivity, but also with a SDCard slot to store all readings when WLAN is not available. This not only addresses radioactivity in a similar way to existing top-notch dosimeters, but it also measures the air pollution, contributing with valuable data to the uRADMonitor network. The model D also features an Alarm built in and has a touchscreen to provide visual and audible indications, keeping you informed all the time. Read more…

uRADMonitor model A3


model A3 is a fixed monitoring station, enclosed in an aluminium body for rugged design, it has sensors for Gamma radiation, formaldehyde, CO2 (a NDIR sensor), the BME680 from Bosch for tVOC Air quality (+temperature, barometric pressure, air humidity), and a laser scattering sensor for PM2.5 particulate matter (8 parameters). The A3 also comes in 4 variants, with the same sensor but offering different connectivity options: Ethernet, Wifi, GSM (with a data sim card) and LoraWAN. Read more…

The server

The server is the centralized system receiving and processing environmental data and is made of a backend and a frontend, running on separate machines. The backend features an efficient big-data-ready database implementation and RESTFul APIs for robust data access. The frontend was shaped as a modern user interface to allow easy access to the data together with the mobile app.


uRADMonitor is a project built for the community. We have invested time of our lives to build a tool to serve others. We are grateful for the recognition our work has received, in terms of prizes, grants or community support.

You and uRADMonitor

The uRADMonitor project relies on civic attitude at a global level, being supported by a large number of individuals. By purchasing a detector today, you get a high quality dosimeter and at the same time contribute data to this worldwide initiative, supporting the project’s development. To get your unit, click here. semifinalist!


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