MCA 527

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Digital Miniature Multi Channel Analyzer MCA 527*

APPLICATION

The MCA527 is a battery powered high performance 16K Multi-Channel Analyzer/Multi-Channel Scaler module with the performance of a laboratory grade MCA. High voltage supply for detector and preamplifier power supply are integrated as well as an internal coarse amplifier and digital filtering and analysis. Together with a detector it forms a small-size gamma spectroscopy system, which is well suited to the demands of field measurements for international safeguards, environmental monitoring, nuclear waste treatment facilities, radioactive transport control and similar applications.

TECHNICAL CHARACTERISTICS

Amplifier:

Coarse amplifier prefilter with amplifications in steps of 1-2-5-10, corresponding to a full scale ADC;
Input signal positive or negative;
Linearity better than 0.1%.

ADC:

14bit, 10 MSps;
Integral Nonlinearity <0.05%;
temperature stability TK 50.

Digital signal processing:

double differential trigger filter, or single differential low energy low count rate trigger filter;
Pile-up-suppression, pulse pair resolution ~400ns, depending on trigger filter;
Automated and manual adjustment of trigger threshold;
Channel splitting 128, 256, 512, 1k, 2k, 4k, 8k or 16k;
Differential nonlinearity <1% for 4k channels and 2μs peaking time;
Automated PZC adjustment, detector decay time constants from 5μs to 1ms can be compensated.

High voltage:

Detector HV up to ±3.6kV, polarity depends on module inserted.

Power supply:

Li-Ion batteries, operation time 10-25h, depending on detector connected (tbd).

Computer Interface:

USB, RS-232 (38.4, 115.2, 307.2 kBd and 3MBd), Ethernet.

Mechanical:

Housing 164 mm x 111 mm x 45 mm without connectors; weight 820g.

Environmental:

operational: at least 0 - 50 °C, eventual larger range;
humidity up to 90%, non condensing, IP42.

Main features of emulation software

Automated base line restorer and threshold adjustment;
Automated or manual pole zero adjustment without oscilloscope;
System dead time and count rate indication;
Dead time correction;
Automated spectrum recording;
Peak stabilization;
Basic analysis functions (energy calibration, FWHM, peak area and integral calculations, spectrum stripping and smoothing);
File menu: write/read functions with drive/path - and file pick list functions;
Setup menu: ADC, Amplifier, Presets, Memory splitting, MCA mode, MCS mode, Multi spectral recording mode, automated instrument configuration using setup file;
Analysis menu: Energy calibration und further analysis functions according the purpose. Energy calibration with linear calibration curve using 2 peaks or energy channel pairs;
Acquire control: Start, Stop, Erase, Presets Incorporated Help texts Print screen for print via system printer (Windows) quick documentation;
Display functions: Automated vertical full scale (VFS), manual and logarithmic VFS, cursor functions, expand and unexpand, ROI setting.

For additional information, please contact us: sales@bsi.lv.

* Produced in cooperation with GBS Elektronik GmbH, Germany.

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