Nuclear Products - Spectroscopy Systems |
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Model PAS-01-4, Multi Chamber Alpha Spectrometer System is a versatile indigenously developed four channel Alpha Spectrometer System for simultaneous measuring of four low activity samples that decay by Alpha-particle emission. Model PAS-01-4 is an integrated four spectrometers of 3 width standard NIM modules. Each module includes Vacuum Chamber, built in digital vacuum gauge, Passivated Ion-Implanted Silicon Detector (active area 450 mm2), Charge Sensitive Preamplifier, Spectroscopy Amplifier, Detector Bias Supply and 2048 channel MCA with Ethernet interface to standard PC or laptop. |
Model PAS-01-4, Multi Chamber Alpha Spectrometer System is supplied with Four Alpha Spectrometer Modules, Mains operated 12 width NIM BIN with low ripple Power Supply, 150 LPM Vacuum Pump, 4 way vacuum manifold, 8 way Ethernet Switch to connect four Alpha Spectrometer Modules to communicate with standard PC / Laptop via Ethernet. The Control (PUMP, HOLD, and VENT) provided on front panel of Alpha Spectrometer module makes it easy to insert, analyze and remove samples.
Multichannel Alpha Spectrometer software package is provided to set/display various operating parameters of each Alpha Spectrometer Modules and for Data Acquisition/processing/display, Energy Calibration, ROI selection, Area Calculation, peak information, FWHM calculations, data Storage and report generation, etc. along with the system. Once operating parameters have been set, the data acquisition can continue off-line. Alpha Spectrometer is also available as Single Chamber system. |
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Specifications |
Typical Specifications of PAS-01-4 |
Number of Chambers |
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4 Chambers for simultaneous acquisition of Alpha Spectrum Expandable to 8 chambers |
Energy Range |
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3 to 10 MeV with resolution of 5 keV per channel |
PC/Laptop Interface |
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via 8 Port Ethernet Switch module to Ethernet Communication Port of PC/Laptop with TCP/IP protocol |
Operating Parameter Control |
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Software Programmable HV, Gain, LLD, ULD by PC/Laptop |
Vacuum Connection |
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4 way Vacuum Manifold connected to Vacuum Pump |
Chamber Vacuum |
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Digital Display < 1 mTorr to > 100 Torr on the module LCD and on PC /Laptop Screen |
Electrical |
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230 V, 50 Hz AC Mains Operation |
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Typical Specifications of Alpha Spectromter Module PAS-01 |
Vacuum Chamber |
Construction |
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Solid Brass with Nickel plating for ease of decontamination High-performance O-ring seal |
Internal Dimensions |
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61mm wide x 74 mm deep x 40 mm high |
Sample Trays |
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Solid Brass with Nickel plated Slide-in sample trays to accommodate samples of 13 mm to 51 mm dia. |
Sample Spacing |
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From 4 mm (min) to 40 mm (max) in steps of 4mm |
Control |
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Three-position PUMP, HOLD, VENT |
Vacuum Sensor |
Type |
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Precision MEMS based sensor to measure vacuum inside individual vacuum chamber |
Range |
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< 1 mTorr to > 100 Torr |
Display |
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Digital display by System Software panel |
Detector |
Type |
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Passivated Ion-implanted Planar Silicon Detector |
Active Area |
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450 mm2 (standard) or 300 mm2(user specified) |
Resolution |
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20 keV in Vacuum for 5.5 MeV energy |
System Resolution |
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better than 25 keV for Am241 |
System Background |
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less than 1 CPH for above 3 MeV energy range |
Detector Efficiency |
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@ 25 % for a detector source spacing of < 5 mm for Am241 |
Operating Voltage |
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+ 40 to +60 Volts |
Low Noise Charge Sensitive Preamplifier |
Output |
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+100 mV for 5.15 MeV |
Rise Time |
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< 100 nSec |
Fall Time |
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100 uS |
Spectroscopy Amplifier |
Input |
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0 to +200 mV |
Output |
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0 to +5 Volts internally fed to ADC |
Shaping |
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1 uS, Near Gaussian shape |
Gain |
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System software programmable in 256 steps |
High Voltage |
Output |
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0 to +100 V System software programmable in 256 steps |
HV ON/OFF |
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System Software settable |
Ramp-up Time |
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50 volts per minute |
Wilkinson ADC |
Type |
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11 Bit Wilkinson @ 100 MHz Clock frequency |
Input pulse |
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0 to +5 V |
No. of channels |
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2048 channels |
Lower Level Discriminator |
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0 to 5000 mV System software programmable in 256 steps |
Upper level Discriminator |
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0 to 5000 mV System software programmable in 256 steps |
Computer Interface |
Ethernet RJ45 Connector |
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CAT6 Ethernet cable to connect Spectrometer to PC/Laptop for Alpha Spectrum Acquisition, display and Processing |
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USB Based MultiChannel Analyser Gamma Spectroscopy Systems - GSpec Series |
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GSpec is available in following Configurations : |
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GSpec
(Complete Spectroscopy Sysyem) |
- Suitable for plug-on 14 pin NaI(Tl) detector
- Works on PC / Laptop
- Draws power from USB
- Built-in high voltage power supply, preamplifier, spectroscopy amplifier and ADC |
GSpec - SA
(Without Pre-Amplifier) |
- Mains Operated 230V AC / 50 Hz
- Provides HV output, preamp power
- Built-in high voltage power supply, spectroscopy amplifier ADC
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GSpec - ADC
(Without HV,
Pre-Amplifier & Spectroscopy
Amplifier) |
- Draws Power from PC / Laptop
- Provides 1 K Multichannel Analyser
- ADC
- Works with PC/ Laptop
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Model GSpec is a versatile compact USB based 1024 channel Multi Channel Analyzer
based Gamma Spectroscopy System. GSpec is designed and manufactured indigenously
by Para Electronics for 14 pin NaI(Tl) Scintillation Detector based Gamma Spectroscopy.
GSpec is powered by USB interface and includes preamplifier, Spectroscopy Amplifier,
High Voltage supply for detector. It also contains 1024 channel 48 MHz Wilkinson
ADC with Silab Microcontroller for USB interface with PC for spectrum acquisition
and data processing.
Data acquisition software is loaded on PC / Laptop and provides spectrum acquisition
and display, spectrum analysis software for energy calibration, ROI selection, area
calculation, peak search, peak information, spectrum smoothing and spectrum data
storage on PC hard disk. High voltage supply necessary to operate scintillation
detector is software programmable from 0 to 1200 volts in 256 steps. Spectroscopy
amplifier gain is settable through PC. |
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GSpec is available in following Configurations : |
Single Input Configuration |
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14 Pin base for standard NaI(Tl) Scintillation detectors
Built in Voltage Divider Network
Preamplifier for NaI(Tl) detector
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High Voltage Power Supply |
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0 to +1200 V dc, 0.5 mA
256 steps software programmable
Ripple < 30 mV
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Spectroscopy Amplifier |
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1µ sec semi Gaussian shaping with internal PZ adjustment
Gain Settable through Pc
Output : 0 to 5 V unipolar semi Gaussian, connected internally to ADC input |
ADC |
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1K Channel Willkinson type
48 MHz clock frequency
Conversion time : 20 µ sec for FS input
ADC control through Silab F340 micro controller via USB interface
USB cable length upto 5 meters
Differential Non Linearity less than 2% |
Power |
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From USB port of PC / Laptop |
Data Acquisition &
Processing Software |
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- Acquisition and display of Gamma Spectrum
- Energy Calibration
- ROI selection
- Area Calculation
- Peak information
- Spectrum stabilization & spectrum smoothening
- Data Storage on PC hard disk
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Optional |
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GPS co-ordinates can be displayed and stored along with spectrum data, time stamp
if GPS module is connected. |
Mechanical |
Dimensions |
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76 mm dia x 125 mm height cylindrical steel housing with 14 pin PMT Socket |
Weight |
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Approximately 1 kg |
Optional Accessories |
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- NaI(Tl) Detector
- Lead Shield suitable for Detector
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GSpec SA is a 1K Multichannel Analyzer with HV Supply and Spectroscopy Amplifier.
It is a mains operated instrument for NaI(Tl) detector based spectroscopy.
GSpec SA along with NaI(Tl) detector of Customer’s choice and Preamplifier (NETS-0M)
form a complete Spectroscopy System. The whole setup has a resolution of around
7%. It is suitable for applications where low resolution of nuclides is acceptable.
GSpec SA is ideally suited for Nuclear Spectroscopy experiments carried out at Universities,
Environmental Survey Labs and Health Physics Units of Nuclear Power Plants and Chemical
Control Labs. |
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GSpec contains 1024 channel 48 MHz Wilkinson ADC with Silab Microcontroller for
USB interface with PC for spectrum acquisition and data processing.
Data acquisition software is loaded on PC / Laptop and provides spectrum acquisition
and display, spectrum analysis software for energy calibration, ROI selection, area
calculation, peak search, peak information, spectrum smoothing and spectrum data
storage on PC hard disk. High voltage supply necessary to operate scintillation
detector is software programmable from 0 to 1200 volts in 256 steps. Spectroscopy
amplifier gain is settable through PC |
Specifications: |
High Voltage Power Supply |
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0 to +1200 V dc, 0.5 mA
256 steps software programmable
Ripple < 30 mV
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Spectroscopy Amplifier |
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1µ sec semi Gaussian shaping with internal PZ adjustment
Gain Settable settable through PC
Output : 0 to 5 V unipolar semi Gaussian, connected internally to ADC input |
ADC |
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1K Channel Willkinson type
48 MHz clock frequency
Conversion time : 20 µ sec for FS input
ADC control through Silab F340 micro controller via USB interface
USB cable length upto 5 meters
Differential Non Linearity less than 2% |
Power |
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Mains Operated 230V AC/50 Hz |
Data Acquisition & Processing Software |
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- Acquisition and display of Gamma Spectrum
- Energy Calibration
- ROI selection
- Area Calculation
- Peak information
- Spectrum stabilization & spectrum smoothening
- Data Storage on PC hard disk
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Optional |
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GPS co-ordinates can be displayed and stored along with spectrum data, time stamp
if GPS module is connected. |
Mechanical |
Dimensions |
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225mm X 200mm X 70mm Comptec box. |
Weight |
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Approximately 500 gm |
Optional Accessories |
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- NaI(Tl) Detector
- NETS-0M (Pre-Amplifier)
- Lead Shield suitable for Detector
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GSpec-ADC is a versatile compact USB based 1024 channel Multi Channel Analyzer GSpec-ADC
is powered by USB interface It contains 1024 channel 48 MHz Wilkinson ADC with Silab
Microcontroller for USB interface with PC for spectrum acquisition and data processing.
Data acquisition software is loaded on PC / Laptop and provides spectrum acquisition
and display, spectrum analysis software for energy calibration, ROI selection, area
calculation, peak search, peak information, spectrum smoothing and spectrum data
storage on PC hard disk. High voltage supply necessary to operate scintillation
detector is software programmable from 0 to 1200 volts in 256 steps. Spectroscopy
amplifier gain is settable through PC. |
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Specifications : |
ADC |
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1K Channel Willkinson type
48 MHz clock frequency
Conversion time : 20 µ sec for FS input
ADC control through Silab F340 micro controller via USB interface
USB cable length upto 5 meters
Differential Non Linearity less than 2% |
Power |
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From USB port of PC / Laptop |
Data Memory |
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1024 channels, Data Storage on PC hard disk |
Data Acquisition & Processing Software |
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- Acquisition and display of Gamma Spectrum
- Energy Calibration
- ROI selection
- Area Calculation
- Peak information
- Spectrum stabilization & spectrum smoothening
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Model GSPEC-A is a versatile compact 1024 channel Multichannel Analyzer based Gamma Spectroscopy system. GSPEC-A is designed and manufactured indigenously by Para Electronics Mfg. Division of Electronic Enterprises (I) Pvt Ltd for 14 pin NaI(Tl) Scintillation Detector based Gamma Spectroscopy.
GSPEC-A requires +5VDC,1A external supply. It includes preamplifier, spectroscopy amplifier, high voltage power supply for the detector and 1024 channel, 48 MHz Wilkinson ADC with SiLab microcontroller for ethernet interface with PC for spectrum acquisition and data processing. |
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Data acquisition software provides spectrum acquisition and display, spectrum analysis software for Energy calibration, ROI selection, area calculation, peak search, peak information, spectrum smoothing and spectrum data storage on PC hard disk. DLL file will be provided for communication with device. User can develop his application using our DLL. DLL is suitable for Windows operating system
High voltage supply necessary to operate scintillation detector is software programmable from 0 to 1200 volts in 256 steps. Spectroscopy amplifier gain is settable through PC. The whole setup has a resolution of around 7% or better with NaI(Tl) detector.
GSPEC-A is ideally suited for Nuclear Spectroscopy experiments carried out at Universities, Environmental Survey Labs and Health Physics Units of Nuclear Power Plants and Chemical Control Labs. |
Specifications : |
Input Signal Configuration |
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14 Pin base for standard NaI(Tl) Scintillation detectors
Built in Voltage Divider Network
Preamplifier suitable for NaI(Tl) detector |
High Voltage Power Supply |
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0 to +1200 V dc, 0.5 mA
256 steps software programmable
Ripple < 30 mv |
Spectroscopy Amplifier : |
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1 µ sec semi Gaussian shaping with internal PZ adjustment
Gain Setting settable through PC
Output : 0 to 5 V unipolar semi Gaussian, connected internally to ADC input |
ADC |
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1K Channel Willkinson type
48 MHz clock frequency
Conversion time - 20 µ sec for FS input
Differential Non Linearity less than 2 % |
Supply Input |
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+5VDC, 1A |
Data Acquisition and Processing Software |
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Acquisition and display of Gamma Spectrum
Energy Calibration, ROI selection, Area Calculation,
Peak search and peak information
Spectrum Stabilization & Smoothening of spectrum
Data Storage on PC’s hard disk |
Mechanical |
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Dimensions : 76mm Dia x 125mm Height, Cylindrical steel housing with 14 pin Socket
Weight : Approximately 1 Kg |
Optional |
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NaI(Tl) Detector, Lead Shield suitable for detector |
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Para Nuclear Spectrometer Model PNS-2 is a Si-lab micro-controller based, stand alone,
Mains operated instrument for NaI(Tl) detector based Gamma Ray Spectroscopy.
PNS-2, along with NaI(Tl) detector of customer’s choice & Model NETS-0, PMT base
preamplifier form a complete spectrometry system. This system is suitable for experiments
related to absorption studies, half life measurements. This set up is very useful for gross
Gamma counting of environmental samples, with appropriate detector.
PNS-2 contains Spectroscopy Amplifier, SCA, HV supply for detector, power supply for
preamplifier and micro based scalar / timer. PNS-2, in its standard configuration, is supplied
as preset timer. |
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PNS-2 can store 1000 readings in a non-volatile memory for data logging. These readings
can be downloaded to PC via USB interface and printed if required. These readings can
also be read on LCD display after the counting experiment.
PNS-2 is ideally suited for Nuclear Counting Experiments carried out in University and
colleges. It is also useful for radiation counting for health physics applications in
radioisotope laboratories, nuclear reactors, nuclear power plants, environmental survey
labs, etc.
NaI(Tl) Detector, PMT based Preamplifier, Lead shield around the NaI(Tl) Detector are
supplied as an optional accessories for PNS-2. Depending on the application detector sixe
and suitable shielding requirements can be configured. |
Specifications :
Preamplifier Model NETS-0 ( OPTIONAL) |
Counter |
Electronics |
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All solid state, Si-Lab micro-Controller based design |
Preset Time |
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Time settable between 1 and 9999 seconds in Step of 1 second |
No. of Runs |
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Settable between 1 to 1000 |
Display |
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Counts : 999999 Time : 9999 Runs : 1000 |
HV Supply |
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Adjustable to 1500V by setting front panel mounted heliport with calibrated dial |
Spectroscopy Amplifier |
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Gain – x 1 or x 2 by the Ten turn Helipot with graduated dial
Input Polarity – Positive
Output – Positive Polarity (0 to 9 V) pulse
Output pulse – near Gaussian shape
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Single Channel Analyzer |
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LLD – 0.1 to 10 V Adjustable by helipot with graduated dial
ULD – 0.1 to 10 V Adjustable by heliport with graduated dial
Mode – Threshold or Window
Input – Unipolar Positive pulse
Output – TTL Pulse of Width 1µSec (approx.)
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Data Storage |
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Store and recall facility for data up to 1000 readings |
User Interface |
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4 keys keypad with 16x2 line LCD for displaying Key function |
Data Transfer |
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To PC - USB / Ethernet Port |
Preamplifier |
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Para Make NETS-0 or equivalent 14 pin PMT base amplifier |
Power Supply |
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240 V (+ 10%), 50 Hz Ac Mains |
Mechanical |
Dimensions |
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280 L X 250 D X 120 H mm |
Weight |
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Approximately 2 Kg |
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Accessories (optional) |
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NaI(Tl) Detector
Lead Shield suitable to detector |
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Model NETS-0 MHC, has a voltage divider, HV supply and preamplifier with cable driver output stage. It has a PMT base socket in which detector can be directly plugged. The output stage is capable of driving signal through a standard coaxial cable up to a maximum length of 100 meters. This unit requires ±15VDC or ±12VDC power. HV supply 1000V @ 1mA max required for PMT detectors, is generated internally. Stainless Steel weatherproof enclosure is optionally available for Detector and NETS-0 MHCL assembly. |
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Specifications : |
Voltage Divider |
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10 or 12 stage with R= 510 K Ohms |
Preamplifier |
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2 stage transistor amplifier with emitter follower |
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Signal Output |
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Pulse Output with sharp rise time and 50µ Sec fall time |
Output Impedance |
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50 ohms. |
H.V. Supply |
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Internally connected to Anode pin through Load Resistor |
H.V. Adjust |
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Screw driver adjustment for setting H.V. between 0 to +1000 V DC |
H.V. Monitor |
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0 to +5 V output proportional to H.V. |
Power Supply |
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± 15 DC or ± 12 VDC @ 150 mAmp |
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Power Supply Connector |
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3 pin female |
Signal Output |
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BNC female |
H.V. Monitor Test Points |
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Test Point jacks |
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NETS-0 is a preamplifier for Photo Multiplier Tubes with 12 or 14 pin base. NETS-0
is compatible with standard Photo Multiplier tubes. No gain adjusment . Connectors
are provided for HV supply, Signal and DC power. NETS-0 is available with two types
of packaging: In-line and Base Stand. |
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Specifications : |
Voltage Divider |
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10 or 12 stage with R= 510 K Ohms |
Preamplifier |
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2 stage transistor amplifier with emitter follower |
Signal Output |
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Pulse Output with sharp rise time and 50µ Sec fall time |
Power Supply |
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± 15 V DC or ± 12 V DC |
H.V. Supply Connector |
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BNC female |
Power Supply Connector |
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3 pin female |
Signal Output |
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BNC female |
Model |
Configuration |
Power Supply Requirement |
NETS-0/VD |
12 or 14 pin PMT base with 10 or 12 stage Voltage Divider, DC
de-coupled pulse output |
H.V. Supply as required by PMT |
NETS-0 |
12 or 14 pin PMT base with 10 or 12 stage Voltage Divider,
Preamplifier pulse output |
H.V. Supply as required by PMT,
± 15 V DC or
with cable driver ± 12 V DC |
NETS-0 MHC |
12 or 14 pin PMT base with 10 or 12 stage Voltage Divider,
Preamplifier with Cable Driver, Built-in HV Supply |
± 15 V DC
or
± 12 V DC |
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