With the app you can use dosimeters:
1 - have the ability to directly connect to the audio jack of the smartphone;
2 - connected to the audio jack of the smartphone through a matching device.
Details pairing dosimeter with your smartphone described in http://foxylab.com/GeigerCounter.php?en#matching.
The complex of dosimeter and Android-smartphone with the app GeigerCounter allows you to quickly and accurately assess the level of radiation in open areas and in the rooms.
The application allows continuous measuring the count rate (in counts per minute, CPM) and determines the average, minimum and maximum values of the counting rate. To stabilize the readings used an algorithm for calculating a moving average with a window size of 15 minutes.
Also, the application determines the geographical coordinates of the smartphone.
The application also has the ability to send measurement results on the monitoring server (for example, http://mon.foxylab.com). More information can be found on http://foxylab.com/GeigerCounter.php?en#monitoring.
Measurement protocol is saved in a file in the folder /GeigerCounter on the SD-card smartphone.
Minimum screen resolution – 480 x 800.
In order to understand how to scare friends going wild radiation get a secret plot of which is shown in the screenshot in the description, and hold it!
NEWS AND EVENTS
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This is a real working radioactivity counter. You only need a BLACK TAPE to cover the lenses !!
Disclaimer: The type of radiation picked up by the camera can be dangerous/detrimental to the user's health as well as cause damage to the device.
Its NOT a JOKE! The App is using the camera sensor to detect radiation, like a geiger mueller counter, of course with a smaller area. We tested several mobile phones at the Helmholtz research facility in Munich, using a professional radiation device in the range of 2-10 µGy/h till 1-10 Gy/h (CS137 and CO60). The CMOS sensors can detect primary gamma radiation and some higher beta radiation (depends on the shieldings in the mobile phone). Typically not going into saturation as most GM tubes. See FAQ on our homepage for what you can measure and how.
PLEASE SEND US FEEDBACK via EMAIL !! We add new devices in short intervals.
Attention: the tape must shield the light completely. Please check with a light source !
On our homepage you find several measurement result for different devices we tested so far. Some are excellent, some not that sensitive.
Feel free to use our table to assign radiation values to our counter measurements when you have the same device.
The real values might differ as sensors can change. There we need your help and the help of the manufactures for a future calibration service.
You can use the contact button in the help menu to provide us with feedback and please use it.
If you need any help, PLEASE send us an email. We have cannot answer the comment section below, so please ask us first on measurment problems. We help as fast as possible. Please contact us on any problems you have with this application! Look at our videos, more are comming soon. Attention: The counts per minute (CPM) for the background noise should be low (increase the noise setting if not). This is camera noise not radiation noise basically. If the radiation increases then also counts from the radiation adds to the CPM values (see our tables for the sensitivity). If you have a phone with 200 CPM for 100 uGy/h then the background noise produces for 100 nGy/h only 0.1 CPM. That means in 10 minutes ONE counts in 100 minute TEN counts adding to the CPM0 (noise of sensor). So you need a LONG time to measure for low radiation values on this device. Attention: AM241 (smoke detectors) only emit ALPHA rays, they get stuck in the plastic of the phones. H3 (tritium - watches etc) are beta emitters with 45 keV. They also get stuck quickly, mainly already in the watches. K40 (KCL for example contains 16 Bq/g) are beta emitters with small amount of gamma (due to positron collisions)- you need also a long integration time to measure them. Same for TH rods (2% Thorium) mainly alpha rays, then beta and some gamma. Very small diameter ! You need a large area to detect them (best GM with mica windows). The CMOS sensor of the camera only has 2mmx2mm.
Good objects are TH lenses (up to 30% TH232), pitchblend (gamma of decay products) and CS137 for checking food which might be contaminated (if larger 1 uSv/h). Don't experiment with radiation sources !!!
* saving raw counter values in 3 different noise levels
* saving temperature data
* saving location (optional)
* saving settings data
* export by email (CSV) or file, CSV / HTML
* export of mean values in Counts + standarddeviation
* unit converter (Sievert, Gray, Rem...)
We just released a comprehensive help on our homepage --
Important you NOISE value should be similar as in our tables, if it is too high check the tape to cover the lense - use multiple tapes if necessary and start calibration again !!! Please before writting a bad one star comment write us we will help you very quickly PLEASE !!!
more videos on our homepage -
instruction and help:
The predefined gamma rate constants and attenuation coefficients were found on the web. I do not guarantee correct predefined values.
NOTE: There are no functions available in this software without a connection to a PED+ dosimeter.
RadMeter supports the most common silicon and Geiger tube sensors (SS05, BPW34, SBM-20, SBT10, STS-5, SI-29BG, LND712...), you can also define a custom sensor and add it to the internal database.
The app supports also Radon gas measurements.
This app is a real working radiation meter provided you connect an external sensor SS05. As alternative you can use a standard Geiger tube with a proper connection interface. For more details about SS05 please see http://www.optivelox.com/DL_en/ss0x.htm
- Radiation measurements (uSv/h, uR/h, Gy/h, pCi/l, Bq/m3, CPS, CPM)
- Evaluation of the measurement error
- Internal silicon sensor/Geiger tube database
- Adjustable detector threshold
- Real-time graphs with pan & zoom functions
- User manual included
- Free of ads
Max, Min and Avg function is installed!
99% Satisfaction! Powerful Noise Meter.
※ Wide ragne 0~120dB(dBA)
※ Wide frequency :31.5hz~8.5khz
※ Max, Min, Avg Hold function
※ Error tolerance 土 1.5db
※ Quick use at any time
※ Wide measure range and easy to use!
★Some device might not recognize this app.
If you want more accurate(professional) measuring, please purchase professional noise meter.
Geiger Type6 (USB) onto your Android device.
You can purchase Pocket Geiger Type6 device on http://www.radiation-watch.org
* This software includes some source codes distributed on the Apache
The most important part for the detection of the radioactivity is the camera chip of the smartphone. During the measument absolutely no incident light is allowed for the camera. Therefore the camera lens must be sealed e.g. by a black insulating tape. Of course you can keep the lens shut by your finger, but sometimes a little light shines through the fingers. In this case use at least additionally a cloth to shut the lens.
First calibrate the radioactivity-meter for your smartphone-hardware:
a) Fix the zero point where no radioactivity is caught by the smartphone. The zero point must be fixed at the lowest temperature of all future measurements.
b) Measure the radioactivity at a place, where the current radioactivity is known and assign this known gauge value and its unit to the value, measured by your smartphone to establish a relation between the internal hardware-dependent values of the smartphone and the real absolute quantity of radioactivity. The more exact the calibration and the higher the gauge value, the better the measurement results. From then on your radioactivity-meter is able to indicate the current radioactivity.
Due to the different hardware of the various smartphones we cannot ensure, that Radioactivity-Meter works on all smartphones with sufficient accuracy.
Since Radioactivity-Meter uses statistical algorithms to calculate the stochastic noise processes, the measuring situations should be always as similar as possible to avoid deviations of the metered values: same ambient temperature (without the zero point fixing), same up time of the smartphone, same method for sealing the camera lens etc. For this reason only single measurements are possible, no continuous measurements.
That way you can use your smartphone to determine at least the tendency for the changes of the radioactivity radiation.
SPITCONSULT expressly disclaims any warranty for its software products. The software products are provided 'As Is' without any express or implied warranty of any kind, including but not limited to any warranties of merchantability, noninfringement, or fitness of a particular purpose. SPITCONSULT does not warrant or assume responsibility for the accuracy or completeness of any information, text, graphics, links or other items contained within the software products. SPITCONSULT makes no warranties respecting any harm that may be caused by the transmission of a computer virus, worm, time bomb, logic bomb, or other such computer program. SPITCONSULT further expressly disclaims any warranty or representation to Authorized Users or to any third party.
LIMITATION OF LIABILITY
In no event shall SPITCONSULT be liable for any damages (including, without limitation, personal injury, lost profits, business interruption, or lost information) rising out of 'Authorized Users' use of or inability to use the software products, even if SPITCONSULT has been advised of the possibility of such damages. In no event will SPITCONSULT be liable for loss of data or for indirect, special, incidental, consequential (including lost profit), or other damages based in contract, tort or otherwise. SPITCONSULT shall have no liability with respect to the content of the software products or any part thereof, including but not limited to errors or omissions contained therein, libel, infringements of rights of publicity, privacy, trademark rights, business interruption, personal injury, loss of privacy, moral rights or the disclosure of confidential information.
Keywords: Geiger counter,Radioactivity,Radiation Detection
Advanced features include multiple reference dates, a database of Isotopes with their half life constants and a log file to easily record activities.
(The paid version has facilities to save the log file and edit the isotope database. It also doesn’t have the ad banner.)
Simply long-press the reference buttons to enter reference dates then enter an activity and use Ref1, Ref2 to show the activity decayed to that reference. Use the clock button to show the activity decayed to the current time.
The internet and network status permissions are for the ad banner and are not present in the paid application.
Please note that this Decay Calculator App is provided as is, without any guarantees or warranty. Although the author has tested the application and believes it to be bug free, the author is not liable for any damage or losses of any kind caused by the use or misuse of this application.