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DIY Geiger Counter Kit 1.1
Posted inElectronics Hardware Nuclear

DIY Geiger Counter Kit 1.1

Posted by By Radu Motisan October 4, 2015
This is an Open Source Digital Radiation Dosimeter, that can be used both as a…
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Tube: SBM-20M Small Geiger Muller
Posted inHardware Nuclear Tubes

Tube: SBM-20M Small Geiger Muller

Posted by By Radu Motisan October 4, 2015
Pictures: Details: Compact Geiger Muller tube, the SBM-20M shows an excellent sensitivity for its small…
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The first prototype
Posted inElectronics Hardware Nuclear

The first prototype

Posted by By Radu Motisan August 7, 2015
It's been a crazy run, trying to make this happen. After less then one month…
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Comparison of dosimeters
Posted inHardware Nuclear Reviews

Comparison of dosimeters

Posted by By Radu Motisan April 3, 2015
Like with all measurements, it will be very hard to find two different devices indicating…
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DIY Dosimeter Geiger Counter KIT1.0
Posted inElectronics Hardware Nuclear Software

DIY Dosimeter Geiger Counter KIT1.0

Posted by By Radu Motisan March 8, 2015
Note: there is a newer version of this project, KIT1.1, see it here If I…
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Tube: STS-5 (СTC-5) Geiger tube
Posted inHardware Tubes

Tube: STS-5 (СTC-5) Geiger tube

Posted by By Radu Motisan February 11, 2015
The STS-5 is a geiger tube for hard beta and gamma detection, manufactured in USSR in the 60's, similar in specs to the newer SBM-20.
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Tube: SI-3BG (CИ-3БГ) Small Geiger Muller
Posted inHardware Nuclear Tubes

Tube: SI-3BG (CИ-3БГ) Small Geiger Muller

Posted by By Radu Motisan January 16, 2015
SI-3BG Geiger tube is suitable for detecting high radiation doses, but finds little use in DIY applications.
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Tube: SI-29BG (CИ-29БГ) Sensitive Small Geiger Muller
Posted inElectronics Hardware Nuclear Tubes

Tube: SI-29BG (CИ-29БГ) Sensitive Small Geiger Muller

Posted by By Radu Motisan November 22, 2013
The SI-29BG comes with a good size / sensitivity ratio. These tubes are suitable for detecting beta and gamma radiation.
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Tube: SI-12B (CИ-12Б) Mini Pancake Geiger Muller
Posted inHardware Tubes

Tube: SI-12B (CИ-12Б) Mini Pancake Geiger Muller

Posted by By Radu Motisan October 19, 2013
The SI12B is a mica window compact Geiger tube, designed for measurement of alpha and soft beta-radiation.
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Global radiation monitoring network
Posted inElectronics Hardware Nuclear Software

Global radiation monitoring network

Posted by By Radu Motisan July 11, 2013
EDIT: there is a dedicated blog on this project, here. Make sure to follow it…
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First Kickstarter project is closing in!
Posted inElectronics Hardware Nuclear

First Kickstarter project is closing in!

Posted by By Radu Motisan July 8, 2013
Preparing for my first Kickstarter project . Let's make it happen!
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Repairing a Victoreen CDV-700 6B Dosimeter
Posted inElectronics Hardware High Voltage Nuclear

Repairing a Victoreen CDV-700 6B Dosimeter

Posted by By Radu Motisan May 16, 2013
Fixing a CDV700 dosimeter can be difficult because original replacement components are not an easy find.
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uRADMonitor – Unusual Background Radiation Reports – Explained
Posted inElectronics Hardware Nuclear Research

uRADMonitor – Unusual Background Radiation Reports – Explained

Posted by By Radu Motisan January 31, 2013
This page has been created to report unusual activity (radiation, temperature, humidity, luminosity, barometric pressure), as recorded by the uRADMonitor, including all the debug data to support the results. I cannot guarantee the measurement precision, I merely present the data recorded by the instruments.
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Top 10 Radioactive Electronic Tubes
Posted inElectronics Hardware Nuclear Tubes

Top 10 Radioactive Electronic Tubes

Posted by By Radu Motisan December 30, 2012
Some of these tubes contain small quantities of Cesium-137, Cobalt-60, Radium-226, Krypton-85. The radioactive elements have been added to increase the electronic response by improving the internal ionization processes.
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DIY/Homemade Radiation Geiger Dosimeter
Posted inElectronics Hardware Nuclear

DIY/Homemade Radiation Geiger Dosimeter

Posted by By Radu Motisan December 1, 2012
A digital dosimeter design that can be used with multiple geiger tubes, constructed around the atmega8 microcontroller and a 2x16 LCD. Equipped with a radio Bluetooth module for remote operation.
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uRADMonitor – Online Radiation monitoring station
Posted inElectronics Hardware Nuclear Research

uRADMonitor – Online Radiation monitoring station

Posted by By Radu Motisan October 21, 2012
I've developed the uRADMonitor as an Environmental Radiation Surveillance automated monitoring device. Data is gathered in real time, 24/7, and is exported via the Internet to a database online. The data is available in customizable charts for analysis.
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DIY/Homemade Geiger Muller Digital Counter V3
Posted inElectronics Hardware High Voltage Nuclear Tubes

DIY/Homemade Geiger Muller Digital Counter V3

Posted by By Radu Motisan October 11, 2012
A story of making a DIY Digital Geiger counter circuit, that can be used with several tubes. Add an enc28j60 Ethernet module and use the data to create graphs available online!
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DIY/Homemade Geiger Muller Clicker V2
Posted inElectronics Hardware Nuclear

DIY/Homemade Geiger Muller Clicker V2

Posted by By Radu Motisan January 8, 2012
This geiger counter circuit features a regulated high voltage supply, with adjustable output. It can run on a single AA battery (1.5V)
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Digital Counter using CD4026
Posted inElectronics Hardware

Digital Counter using CD4026

Posted by By Radu Motisan December 22, 2011
A digital counter using CD4026 for fast event counting as those from Geiger Muller tubes or scintillation probes.
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DIY/Homemade Geiger Muller Clicker V1
Posted inElectronics Hardware Nuclear

DIY/Homemade Geiger Muller Clicker V1

Posted by By Radu Motisan March 21, 2011
An article presenting a simple DIY Geiger Muller counter using the Russian tube SI-22G and a single transistor regulated inverter that puts out 400V, as required by the tube. A very basic detector assembled in 5 minutes. See an operation comparison to the Radex RD1706.
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Kvarts DRSB-01 Dosimeter
Posted inElectronics Hardware Nuclear Reviews

Kvarts DRSB-01 Dosimeter

Posted by By Radu Motisan August 11, 2010
The DRSB-01 is a simple Geiger Counter device that can be used to detect normal vs. dangerous levels of ionizing radiation (gamma and beta).
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Victoreen CDV700 6B Dosimeter Mod (Audio/BNC Connector)
Posted inElectronics Hardware High Voltage Nuclear Reviews

Victoreen CDV700 6B Dosimeter Mod (Audio/BNC Connector)

Posted by By Radu Motisan July 20, 2010
The CDV700 dosimeter variant 6B (newer) and a few mods to improve functionality: audio connector and bnc connector.
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Tube: SI-14B (CИ-14Б) Pancake Geiger Muller
Posted inElectronics Hardware Nuclear Tubes

Tube: SI-14B (CИ-14Б) Pancake Geiger Muller

Posted by By Radu Motisan July 12, 2010
The Russian SI-14B is a highly sensitive pancake geiger muller tube .
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Radex RD1706 dosimeter
Posted inHardware Nuclear Reviews

Radex RD1706 dosimeter

Posted by By Radu Motisan April 27, 2010
A short review on the Radex RD1706 dosimeter, how good it is, and how can it be compared to other dosimeters, eg. the Terra-P MKS-05.
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Terra-P Radiation dosimeter MKS-05
Posted inHardware High Voltage Nuclear Reviews

Terra-P Radiation dosimeter MKS-05

Posted by By Radu Motisan December 8, 2009
The terra-p Radiation dosimeter can be used to measure Gamma, Beta and X-rays.
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