All-in-one Gamma Spectrometer

DESCRIPTION

All-in-one Gamma Spectrometer with digital signal processing is applicable for HPGe detector spectrometric pulses registration, amplification, digital filtration and gamma-ray spectra registration. All-in-one Gamma Spectrometer is designed as one integrated monoblock being identical to standard laboratory detection unit with inbuilt preamplifier, however it has inbuilt MCA, HV supply, etc.

Description

Application

All-in-one Gamma Spectrometer with digital signal processing is applicable for HPGe detector spectrometric pulses registration, amplification, digital filtration and gamma-ray spectra registration. All-in-one Gamma Spectrometer is designed as one integrated monoblock being identical to standard laboratory detection unit with inbuilt preamplifier, however it has inbuilt MCA, HV supply, etc.

Features

  • All-in-one Gamma Spectrometer is fast and easy to connect the computer using Plug&Play method.  Start operating the device in no more than 120 seconds
  • Power supply for all parts of the spectrometer is provided by only one USB cable (USB-2 port). Maximum current less than 300 mA, voltage +5V
  • All basic technical parameters of All-in-one Gamma Spectrometer are identical to any regular laboratory device produced by BSI
  • Cryostat geometries and modifications are available

COMPLETE SET

  • Charge sensitive preamplifier with resistive feedback and cooled FET
  • Amplifier with intermediate differentiation
  • Digital MCA
  • HV supply +/-5000 V (two options) for positive and negative polarity
  • Detector temperature sensor
  • LED indicating detector operating temperature
  • Energy registration range switch between 40 keV – 3.0 MeV and 3 keV – 300 keV
  • USB cable for connection with computer

SPECIFICATION

Parameter Value
ADC 14bit, 10 MSps
Integral nonlinearity <0.04%
Temperature stability TK = 50 ppm
Digital signal processing
Automated and manual adjustment of trigger threshold
Fine gain adjustment (in steps of <0.05%) 0.5 – 6.5
Shaping time (Integration time / rise time of filter multiplied by 2) adjustable in the range (flat top adjustable 0 … 15μs) 0.1… 25.5μs
Channel splitting 128, 256, 512, 1k, 2k, 4k, 8k, 16k
Differential nonlinearity (for 8k channels and 6μs shaping time) <1%
Automated PZC adjustment, detector decay time constants from 40μs to 1ms can be compensated
Double differential trigger filter
Modes of operation – PHA (pulse height analysis), result is a histogram of pulse height. – MCS (multi channel scaling): registers number of counts in subsequent time intervals. – MCS mode allows to acquire an integral PHA spectrum in parallel to the MCS acquisition. – LLD / ULD settings are supported in both PHA and MCS mode.
Energy resolution for HPGe detector with efficiency of 7%*
at 122 keV
at 1.33 MeV
0,820 keV
1,76 keV
Throughput >100kcps in memory at 150kcps input rate and 0.2μs shaping time and 1.4μs flattop
High Voltage Supply (programmable) +/- 4500V, 0.1mA max
Power supply: USB, 4.5 V … 5.25 V 280mA at full operation and high voltage 4500 V
Computer Interface / Connector USB