OPERATING PRINCIPLE
The GS-PRO-USB is powered by USB and provides a stable high
voltage positive bias adjustable from zero to 2000 volts, suitable for
most common radiation detectors.
The pulse from a single wire detector is decoupled in the GS and,
amplified through an impedance matching preamp. The pulse is
digitised by an inbuilt audio codec and sent to the computer via USB.
The data stream is then analysed by multi channel analysis software on
a PC.
The GS-USB-PRO model also features a BNC signal input port for two
wire detectors with integral coupling. A dip switch under the unit
bypasses the internal coupling when used with two wire detectors.
High resolution pulse height analysis is achieved through smart
software algorithms, which calculate the pulse height in real time. Up to
60 sample points per pulse are used to achieve excellent spectra.
The maximum counting rate is determined by the sample rate and
number of samples selected in settings (preferably < 2000 cps).
The end result is very impressive, easily obtaining pulse height
resolution at the limit of detector specifications.
To get the most from your GS follow the quick setup instructions in this
manual and refer to the specific software manuals for more detail.
Happy experimenting!!
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