Radiation Dosimeter Radex Obsidian, pocket Geiger Counter (personal detector)
The Radex Obsidian dosimeter can be used to evaluate a radiation lantern, increase the dynamics of the lantern level change, and also to check suspicious objects for incredibly high radiation. The device also helps to detect beta excitation by estimating the flux density of beta particles.
Detected radiation: accumulation-accumulation and partial propagation-growth (in energy concentration from 0.1 to 3.5 MeV)
Radex Obsidian - feedback dosimeter
A key feature of the Radex Obsidian dosimeter is the very high rate of measurement of concentration-expression level: the device detects a fast determination of the dose, which, from the presumed presence of it, is at risk of developing a disease. Therefore, such a dosimeter is primarily convenient to carry with you when moving around the area. For example, as a sensitive and fast signaling device. The RADEX OBSIDIAN dosimeter is about 30 times faster than conventional dosimeters based on gas discharge Geiger counters.
Features of the scintillation sensor:
- very high sensitivity to gamma radiation
- very fast reading of data from the sensor
- small size
The Obsidian dosimeter sensor consists of a CsI(Tl) based scintillator and a silicon solid state photomultiplier tube.
Obsidian measures accumulated dose
Like any multifunctional dosimeter, the Obsidian model is equipped with the function of accounting for the accumulated dose, which the device records over a specified time.
The dose measurement limit is up to 10 Sv.
Obsidian analyzes the emission spectrum
The novelty is also able to analyze the energy spectrum of radiation. True, due to the fact that Radex Obsidian is still a dosimeter, not a spectrometer, it should be borne in mind that the instrument is not calibrated according to the spectrum - only binding to the Cs-137 peak is carried out.
Operating modes of the dosimeter
The Radex Obsidian model has a beta filter that closes or opens the sensor to detect the flow of high-energy beta particles (for example, if the filter closes the sensor, the dosimeter registers only gamma radiation).
The Radex Obsidian dosimeter provides the following modes:
- “Search” mode: the display shows the total (total) value of the dose rate of gamma and beta particles;
- “MEASUREMENT” mode: the display separately shows the value of the dose rate of gamma radiation and the value of the flux density of those beta particles that the device was able to register.
- In the settings, you can select the following units of measurement: µSv/h, µR/h, CPS (number of pulses per second), CPM (number of pulses per minute).
In addition, the error of the current measurement result in percent is displayed on the screen.
TECHNICAL CHARACTERISTICS
| Registered types of radiation | gamma and partially beta radiation |
| Applicable sensor | scintillation detector |
| Range of measured radiation dose rate | 0.01 - 9990 µSv/h |
| Photon energy range MeV | 0,05 - 3,0 |
| Cumulative dose measurement range: | 0 - 9.99 Sv |
| Energy range of detected gamma radiation | 0.05 - 3.0 MeV |
| Energy range of detected beta radiation | 0.1 - 3.5 MeV |
| Alarm type when radiation threshold values are exceeded | sound and vibration signal |
| Communication interfaces | USB (TYPE-C), Bluetooth |
| Number of records | 500 |
| Batteries | built-in Li-pol battery |
| Continuous battery life | up to 100 hours |
| Weight | 80 grams |
| dimensions | 116 x 48 x 19mm |
Hazard Alert
The dosimeter has a Bluetooth wireless interface for communication with mobile devices and a wired USB interface for communication with a computer (type-C).
Through the USB type-c connector, you can charge the built-in Li-pol battery from a 220V network, from an external battery or from a computer. Also, the type-C USB cable provides interaction with the program on a PC.
- dosimeter
- USB Type-C cable
- instructions in Russian
- warranty card
Device interface is in Russian!
Instruction in Russian:
https://www.quarta-rad.ru/upload/files/radex_obsidian_ru_manual_v1_03.pdf
Instruction in English:
https://www.radonmarket.com/Resources/QuartaRad/RadonMarket-Radex-Obsidian_Quick-Start-EN.pdf
1 year warranty
__________________________________________________________________________________________________________________________________________________________________________________