Radiation detection module
The C12137 series is a radiation detection module containing a scintillator and MPPC (multi-pixel photon counter) designed to detect gamma rays from 137Cs (Cesium-137) and the like. The scintillator converts incident gamma rays into visible light, and the MPPC detects the light down to extremely low light levels to measure low-energy gamma rays with high accuracy. The signal processing circuit and A/D converter are housed in a compact case. The modules provide a USB or RS-232C interface. The products include sample software with functions for setting measurement conditions, acquiring and saving date, and drawing graphs, etc.
Measurement example (C12137)
The C12137 series is capable of acquiring an energy spectrum as well as providing accurate energy discrimination. 137Cs is known to decay while emitting gamma rays at energies around 662 keV and around 32 keV. Acquiring an energy spectrum down to low energy gamma rays around 30 keV allows determining whether those gamma rays are derived from 137Cs . When the energy of gamma rays entering a scintillator falls to a low level, the light level emitted from the scintillator in response to the gamma rays is also very low. The C12137 series uses a high sensitivity MPPC that allows detecting gamma rays over a wide range.
* C12137 series do not include a PC.
Schematic cross section (C12137-01)
This radiation detector module contains a scintillator, photosensor (MPPC), signal processing circuit, and interface circuit, all inte-grated into a compact package that can be easily assembled into portable measuring devices and inline measurement devices.The MPPC serving as the photosensor in the C12137 series is small and has a thin profile, so it takes up only a small share of the available space. The scintillator, on the other hand, takes up the main share of space. This means that high detection efficiency is achieved even in this small radiation detector module.The compactness of this radiation detector module is advantageous in applications such as inspections of foodstuffs, beverages, and marine products where the radiation from objects under measurement is extremely low. This is because such applications usually require covering the peripheral area of the radiation detector with lead in order to eliminate effects from environmental background radiation. However, the C12137 series radiation detector module is small, so the amount of lead needed for shielding can be reduced which in turn makes the equipment smaller and lighter.
Sample software screen example
Hamamatsu also provides sample software for initial evaluation of our radiation detector modules.Basic sample software functions are setting measurement parameters, acquiring and saving data, and displaying measurement data graphs. To help users develop their own application software for operating our radiation detector module while installed into equipment, we also provide function specifications and source codes of the sample software.
* The C12137 series can be connected to a PC via USB or RS-232C. Graphical display of acquired data is available only for USB type.
|Scintillator size||Φ110 x 25 mm|
|Sampling time||0.1 to 60 s, adjustable|
|Power supply||USB bus power|
|Energy range||0.06 to 2 MeV|
|Energy resolution||10 %|
|Measurement condition||Counting dfficiency: 137Cs, 0.01 μSv/h
Energy resolution: 137Cs, 662 keV
It looks like you're in the . If this is not your location, please select the correct region or country below.
You're headed to Hamamatsu Photonics website for JP (English). If you want to view an other country's site, the optimized information will be provided by selecting options below.
For modern websites to work according to visitor’s expectations, they need to collect certain basic information about visitors. To do this, a site will create small text files which are placed on visitor’s devices (computer or mobile) - these files are known as cookies when you access a website. Cookies are used in order to make websites function and work efficiently. Cookies are uniquely assigned to each visitor and can only be read by a web server in the domain that issued the cookie to the visitor. Cookies cannot be used to run programs or deliver viruses to a visitor’s device.
Cookies do various jobs which make the visitor’s experience of the internet much smoother and more interactive. For instance, cookies are used to remember the visitor’s preferences on sites they visit often, to remember language preference and to help navigate between pages more efficiently. Much, though not all, of the data collected is anonymous, though some of it is designed to detect browsing patterns and approximate geographical location to improve the visitor experience.
Certain type of cookies may require the data subject’s consent before storing them on the computer.
This website uses two types of cookies:
There are two ways to manage cookie preferences.
If you wish to restrict or block web browser cookies which are set on your device then you can do this through your browser settings; the Help function within your browser should tell you how. Alternatively, you may wish to visit www.aboutcookies.org, which contains comprehensive information on how to do this on a wide variety of desktop browsers.
Occasionally, we may use internet tags (also known as action tags, single-pixel GIFs, clear GIFs, invisible GIFs and 1-by-1 GIFs) at this site and may deploy these tags/cookies through a third-party advertising partner or a web analytical service partner which may be located and store the respective information (including your IP-address) in a foreign country. These tags/cookies are placed on both online advertisements that bring users to this site and on different pages of this site. We use this technology to measure the visitors' responses to our sites and the effectiveness of our advertising campaigns (including how many times a page is opened and which information is consulted) as well as to evaluate your use of this website. The third-party partner or the web analytical service partner may be able to collect data about visitors to our and other sites because of these internet tags/cookies, may compose reports regarding the website’s activity for us and may provide further services which are related to the use of the website and the internet. They may provide such information to other parties if there is a legal requirement that they do so, or if they hire the other parties to process information on their behalf.
If you would like more information about web tags and cookies associated with on-line advertising or to opt-out of third-party collection of this information, please visit the Network Advertising Initiative website http://www.networkadvertising.org.
We use third-party cookies (such as Google Analytics) to track visitors on our website, to get reports about how visitors use the website and to inform, optimize and serve ads based on someone's past visits to our website.
You may opt-out of Google Analytics cookies by the websites provided by Google:
We inform you that in such case you will not be able to wholly use all functions of our website.