Radiation detection modules C12137 series High accuracy, high sensitivity, compact 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 data, and drawing graphs, etc. Features Applications Gamma ray energy discrimination Environmental monitoring and mapping Modular design for easy integration into devices Screening such as incoming and outgoing inspections at manufacturing sites Incorporation into portable, high-sensitivity detectors Compact and lightweight Lineup A total of eight types in four different sizes and two interfaces (USB and RS-232C) are available that you can choose from according to your application. C12137-08 C12137-08D Real-time food inspection C12137-10 C12137-10D Real-time food inspection * The characteristics are the same between the USB type and RS-232C type (the software specifications are different). C12137 C12137-00D Portable, high sensitivity detectors monitoring posts C12137-01 C12137-01D Food inspection Structure USB type Parameter Dimensions (W × D × H) Weight Detector Scintillator Scintillator size (W × D × H) Sampling time Interface Compatible OS Power supply C12137 110 × 55 × 27 120 C12137-01 71 × 55 × 60.5 320 C12137-08 112 × 94 × 53.3 1130 C12137-10 122 × 122 × 53.3 1570 MPPC CsI (Tl) 13 × 13 × 20 38 × 38 × 25 80 × 80 × 25 1 to 60 s, adjustable USB 2.0 (Full Speed) Windows 7 SP1 (32-bit, 64-bit) USB bus power (150 mA typ., 500 mA max.) www.hamamatsu.com ɸ110 × 25 Unit mm g mm - 1 Radiation detection modules C12137 series RS-232C type Parameter Dimensions (W × D × H)*1 Weight Detector Scintillator Scintillator size (W × D × H) Sampling time Interface Bit rate Power supply C12137-00D 110 × 55 × 27 160 C12137-01D 71 × 55 × 60.5 360 C12137-08D 112 × 94 × 55.6 1170 C12137-10D 122 × 122 × 55.6 1610 MPPC CsI(Tl) 13 × 13 × 20 38 × 38 × 25 80 × 80 × 25 10 to 60 s, adjustable RS-232C (EIA-232-E) 115200 +5 V (200 mA typ., 500 mA max.) ɸ110 × 25 Unit mm g mm bps - *1: Excluding the cable and connector Absolute maximum ratings Parameter Operating temperature Storage temperature C12137/-00D -10 to +50 -20 to +50 C12137-01/-01D C12137-08/-08D 0 to +40 -10 to +50 C12137-10/-10D Unit °C °C Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the product within the absolute maximum ratings. Electrical and optical characteristics (Typ. unless otherwise noted) Parameter Counting efficiency min. Energy range Energy resolution Measurement range (dose equivalent rate) Measurement error Condition Cs, 0.01 μSv/h 137 137 Cs, 662 keV 662 keV*2 The lower limit depends on the environmental radiation. Excludes attenuation (caused by the shield) and counting fluctuations 137Cs, C12137/-00D C12137-01/-01D 40 400 0.03 to 2 8 8.5 0.01 to 100 0.001 to 10 ±20 C12137-08/-08D C12137-10/-10D 2000 0.06 to 2 9 10 Unit cpm MeV % *3 μSv/h *3 % *2: Measurement range of these products is defined by 137Cs. When detecting environmental radiation that mainly consists of low energy radiation, the maximum measurement value will be approx. 1/3 to 1/2 of this figure. *3: C12137-08/-08D/-10/-10D do not perform conversion into dose equivalent rate using the G(E) function. Block diagram (C12137) Gamma ray MPPC CsI(Tl) scintillator Preamp Pulse-shaping amplifier A/D converter High-voltage power supply Microcontroller USB Power supply KACCC0632EB 2 Radiation detection modules C12137 series Radiation detection modules incorporating a compact and high-gain MPPC offer the following features: Feature 01 Detection of low energy gamma rays (down to 30 keV)* 4 The C12137 series can acquire energy spectra and therefore can perform energy discrimination. 137Cs and energy discrimination is known to decay while emitting gamma rays at energies around 662 keV and 32 keV. The C12137/-01 can determine whether gamma rays is from 137Cs by acquiring the energy spectrum from the low-energy gamma rays at around 30 keV. As the gamma rays become lower in energy, the level of light emitted by the scintillator weakens. However, the Radiation detection module, which uses a high sensitivity MPPC, is able to detect gamma rays over a wide range from low-energy gamma rays around 30 keV up to about 2 MeV.*5 The low-light-level detection performance of high gain MPPCs also contributes greatly to reducing the measurement time. To reduce the measurement time, the scintillator capacity must be increased to improve the detection efficiency. However, as the scintillator capacity is increased, the level of light that reaches the photosensor is attenuated inside the scintillator, and the lower limit of detection degrades accordingly. This makes it more difficult to detect low energy gamma rays. The MPPC offers higher gain than the PIN photodiode or APD and makes low-lightlevel detection possible. Even when it is combined with a large capacity scintillator, low-energy gamma rays can still be measured. *4: The lower limit of the energy range of the C12137-08/-10 is 60 keV. *5: C12137/-01 Feature 02 Easy integration in devices Cross-sectional schematic (C12137-01) Since the radiation detection module includes a scintillator, photosensor (MPPC), signal processing circuit, interface circuit, and the like in a small case, it can easily be incorporated into portable measuring instruments and in-line measuring instruments. In the C12137 series, the photosensor MPPC is a small, thin type. The MPPC Scintillator takes up a small portion of the entire space: the space is predominantly is taken up by the scintillator. This shows that even though the radiation detection module is small, it can provide high photon detection efficiency. Because the radiation detection module is compact, it is advantageous in Signal processing circuit, interface circuit applications where the radiation dose from the object under measurement is minute. Such applications include inspection of food and beverages. In these types of applications, the periphery of the detector must be covered KACCC0646EA with lead to eliminate the effects of environmental radiation. Because the radiation detection module is compact, the amount of used lead can be reduced, which in turn reduces the volume and weight of the entire device. 03 Superb temperature stability The level of emitted light by the scintillator due to in- Ambient temperature and detected energy shift (C12137) cident gamma rays and the photosensor sensitivity are temperature dependent. This temperature dependence 60 causes a shift in the detected energy when the ambient same energy are incident and ultimately causes measurement errors and interferes with radionuclide identification. The gamma ray detector unit of the C12137 series employs a structure with high temperature stability as well as a temperature-compensation circuit, which exhibits excellent temperature stability even when the temperature changes drastically. The graph below illustrates the detected energy shift of the C12137 in response to ambient temperature changes. The temperature stability is ±5% max. in the ambient temperature range of 0 to +50 °C. 50 Ambient temperature (°C) temperature changes even when gamma rays with the 4 Ambient temperature Detected energy shift 3 40 2 30 1 20 0 10 -1 0 -2 -10 0 200 400 600 800 1000 1200 Detected energy shift [662 keV] (%) Feature -3 1400 Time (min) KACCB0273EA 3 Radiation detection modules C12137 series Sample software The C12137 series comes with sample evaluation software for inifial evaluation. The software provides basic functions for setting measurement conditions, acquiring and saving data, and drawing graphs*5, etc. To help you develop your own application software for operating the radiation detection module integrated in your equipment, function specifications and sample software source code are also provided. *5: A1 USB type [Figure 3] Sample software USB type RS-232C type 4 Radiation detection modules C12137 series Dimensional outlines (unit: mm) C12137 13.6 USB connector 110 19 5.5 28 45 55 Tolerance unless otherwise noted: ±0.1 (4 ×) M3 depth 3 34 18 KACCA0319EA C12137-00D 27 13.6 CsI(Tl) 110 55 19 5.5 28 45 (4 ×) M3 depth 3 34 18 (2×)ϕ3.1 1 6 5 9 25 300 ± 10 30.7 11.5 27 CsI(Tl) 28 CN2 1 2 3 5 6 4, 7, 8, 9 Signal name GND (Vcc) TXD (module → PC) RXD (PC → module) GND (signal) Vcc NC 12.4 Tolerance unless otherwise noted: ±0.1 KACCA0339EA 5 Radiation detection modules C12137 series C12137-01 CsI (Tl) 55 71 28 0.5 28 0.5 USB connector 10.7 32 32 60 (4 ×) M3 depth 5 Tolerance unless otherwise noted: ±0.1 KACCA0320EA C12137-01D CsI (Tl) 300 ± 10 55 71 28 0.5 28 32 32 60 (4 ×) M3 depth 5 (2×)ϕ3.1 6 5 9 25 30.7 1 CN2 1 2 3 5 6 4, 7, 8, 9 Signal name GND (Vcc) TXD (module → PC) RXD (PC → module) GND (signal) Vcc NC 12.4 Tolerance unless otherwise noted: ±0.1 KACCA0340EA 6 Radiation detection modules C12137 series C12137-08 112 3 13.6 36.7 78 94 102 (8×) ϕ4 (Teflon bush for isolation) USB port Tolerance unless otherwise noted: ±0.1 KACCA0341EA C12137-08D 112 15.9 36.7 78 Accessory cable (CN1) connector (8×) ϕ4 (Teflon bush for isolation) (2×)ϕ3.1 CN1 51021-0400 (MOLEX) 1 6 5 9 (35) 300 ± 10 CN2 XM3D-0921 (OMRON) 25 30.7 94 102 3 CN2 1 2 3 5 6 4, 7, 8, 9 Signal name GND (Vcc) TXD (module → PC) RXD (PC → module) GND (signal) Vcc NC 12.4 Tolerance unless otherwise noted: ±0.1 KACCA0342EA 7 Radiation detection modules C12137 series C12137-10 122 13.6 36.7 100 122 100 3 (8×) ϕ4 (Teflon bush for isolation) USB port Tolerance unless otherwise noted: ±0.1 KACCA0343EA C12137-10D 122 3 15.9 36.7 100 Accessory cable (CN1) connector (8×) ϕ4 (Teflon bush for isolation) (2×)ϕ3.1 CN1 51021-0400 (MOLEX) 1 6 5 9 (35) 300 ± 10 CN2 XM3D-0921 (OMRON) 25 30.7 122 100 CN2 1 2 3 5 6 4, 7, 8, 9 Signal name GND (Vcc) TXD (module → PC) RXD (PC → module) GND (signal) Vcc NC 12.4 Tolerance unless otherwise noted: ±0.1 KACCA0344EA 8 Radiation detection modules C12137 series Precautions · These products are precision devices that use a scintillator and are not designed to be used outdoors or in locations subject to vibration or shock. To use them in such an environment, you will need to incorporate appropriate measures in the design. Accessories · USB cable · CD-ROM (instruction manual, sample software) Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions · Disclaimer MPPC is a registered trademark of Hamamatsu Photonics K.K. Windows is a registered trademark of Microsoft Corporation in the United States and/or other countries. Information described in this material is current as of February, 2016. Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to be accurate. In rare cases, however, there may be inaccuracies such as text errors. Before using these products, always contact us for the delivery specification sheet to check the latest specifications. The product warranty is valid for one year after delivery and is limited to product repair or replacement for defects discovered and reported to us within that one year period. However, even if within the warranty period we accept absolutely no liability for any loss caused by natural disasters or improper product use. Copying or reprinting the contents described in this material in whole or in part is prohibited without our prior permission. www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184 U.S.A.: Hamamatsu Corporation: 360 Foothill Road, Bridgewater, N.J. 08807, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 8152-375-0, Fax: (49) 8152-265-8 France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Torshamnsgatan 35 16440 Kista, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.r.l.: Strada della Moia, 1 int. 6, 20020 Arese (Milano), Italy, Telephone: (39) 02-93581733, Fax: (39) 02-93581741 China: Hamamatsu Photonics (China) Co., Ltd.: B1201, Jiaming Center, No.27 Dongsanhuan Beilu, Chaoyang District, Beijing 100020, China, Telephone: (86) 10-6586-6006, Fax: (86) 10-6586-2866 Cat. No. KACC1196E05 Feb. 2016 DN 9