SLT-2048 Low Background Gamma Spectrometer

Product Introduction:

SLT-2048 Low Background Gamma SpectrometerAdopting low background lead chamber and low potassiumThe NaI (Tl) probe is used to measure the radioactivity of the sample to be tested, and high-precision gamma spectrum measurement of the NaI (Tl) probe is achieved based on a high-performance digital spectrometer. The energy spectrum is collected, stored, processed, and analyzed using upper level functional spectrum measurement and analysis software, ultimately achieving the identification of radioactive nuclides in the test sample and the measurement of specific activity. This detector consists of a low background lead chamber, a low background NaI (Tl) gamma radiation probe, a high-performance desktop digital spectrometer, and gamma spectrum measurement and resolution software. Equipped with domestically leading automatic spectrum stabilization technology, it can ensure long-term continuous operation stability and measurement accuracy: The following are the physical pictures of the relevant components:

Low background lead chamber (containing low background)NaI (Tl) Gamma Radiation Probe

High performance digital spectrometer

Gamma ray spectroscopy measurement and spectral analysis software

Radioactive nuclide database

System composition:

Low background standard lead chamber;Split structure, with organic glass and copper inside: Local<60cpm, The lead equivalent of the entire lead chamber is 100mmpb,inside diameter220mm.outside diameter440mm；

low-backgroundNaI (Tl) gamma radiation probe (detector can be optionally equipped with lanthanum bromide or high-purity germanium);

High performance desktop digital spectrometer;

Gamma ray spectroscopy measurement and spectral analysis software;

Functional features:

At present, it is the only domestic device with real-time, fast, and low-energy capabilitiesThe low background digital spectrometer with patented technology for gamma ray stable spectrum can ensure fast measurement and long-term stability when turned on; Traditional low background digital spectrometers require manual repeated adjustment of spectrometer parameters before they can work, and cannot work stably for a long time;

Equipped with digital spectrum stabilization function, can choose background americium sourceDigital spectrum stabilization methods such as gamma ray spectrum stabilization and natural characteristic peak spectrum stabilization;

Support the display of particle spectra, energy spectrum curves, trapezoidal shaped signals, and raw pulse signals; Simultaneously, the pulse mode and spectral line mode can be freely interchanged;

The digital spectrometer is equipped withLIST-MODE mode can achieve real-time collection of particle event information (time, position, amplitude, etc.), and each channel digital spectrometer has clock synchronization function with a synchronization accuracy of not less than 15ns; particle event information can beBy standardRThe S232 serial port interface is used to transmit spectra to the computer, thereby meeting the requirements of fast mobile measurement;

Bispectral measurement: supports energy spectrum and time spectrum measurement;

High resolution: using16 bit 80MSPS high-speed and high-precision analog-to-digital converter;

High digital forming frequency: The digital forming frequency can reach up to80MHz；

Multi channel input:8 matching/anti matching inputs and 1 high-speed external clock synchronization input;

Full wave acquisitionNo pulse leakage meter, with intelligent functions such as baseline correction and interference recognition. PMT output signal is direct, waveform distortion free, and the Cs peak can be measured with consistent resolution at any channel address within the measurement range;

Highest data pass rate>500Kcps (1us forming time), high-speed transmission, no data leakage count;

Visual measurement display, with functions such as signal waveform, baseline online monitoring, and real-time analysis of measurement results;

Equipped with peak position monitoring functionEnsure the quality of data collection;

The comprehensive analysis and resolution of characteristic spectral segments, full spectrum inspection, and multi spectral line comparison functions can be used for scientific research, teaching, and technical training.

Application areas:

Hospital radioactive nuclideMeasurement and analysis of gamma spectroscopy;

Building materials, soil, biological, geological samples, etc Measurement and analysis of gamma spectroscopy;

Rapid non-destructive testing of building materials;

Uranium geological sample radiumAnalysis of uranium, thorium, and potassium content;

Artificial nuclide analysis software such as uranium, cesium, cobalt, iodine, etc. can be equipped according to user requirements.

System indicators:

Detector:75 × 75 mm NaI (Tl) crystal

Total number of lanes:512, 1024, 2048, 4096, 8192, 16384 tracks can be selected, and the actual number of applied tracks is 2048

Energy resolution:<6.9%(137Cs)

Energy range: (20keV~10MeV)

Differential nonlinearity: ＜0.2%

Integral nonlinearity: ＜0.01%

Stability: relative error ≤ 1.0% (24h)

Pulse to resolution:450ns

Instrument detection limit:226Ra：8.0 Bg/kg； 232Th：6.0 Bg/kg； 40K：20.0 Bg/kg

Measurement sample time:3000 seconds

Highest data pass rate≥ 500 kcps (1us forming time)

Measurement uncertainty(Sample radioactivity>37Bq/kg):<6%

electricity Source:220V(±10%) 50Hz

Temperature range:+0℃～+50℃

Relative humidity:≤90%