Counting System
 Para Electronics offers offers different types of counting systems :  Radiation Monitor
 GM Counter | Alpha Counter | Portable Alpha Counter | RIA Counter |  NIM Modules
 Alpha Counting system with Automatic Sample Changer Spectroscopy
        Data Acquisition
       

Special Projects   

           
  PNC-1G : Para Nuclear Counter  (GM Tube Based)

Para Nuclear Counter Model PNC-1G is a micro controller based, economical, stand alone, portable mains operated instrument for Nuclear Counting application. It is a versatile instrument can be programmed as preset timer. 

Model PNC-1G, uses GM tube as nuclear radiation detector. Necessary electronics & high voltage supply are housed in the equipment. Coaxial cable with BNC connector connects the GM tube to Model PNC-1G.

Para Nuclear Counter Model PNC-1G can store 1000 readings in a non-volatile memory. These readings can be downloaded to PC via RS-232 interface or printed via parallel interface. These readings can also be scanned on LCD display after the counting experiment.

Model PNC-1G, is ideally suited for Nuclear Experiments carried out in Universities and colleges. It is also useful for radiation counting for Health Physics applications in radioisotope laboratories, nuclear reactors, nuclear power plants, nuclear medicine centers etc.

End window GM tube Model 712 or equivalent can be supplied along with a planchet holder as an accessory for Model PNC-1G. Any other End Window GM tube can also be supplied as an option.

Lead Shield with door assembly is available as optional accessory for low level counting applications. It houses the GM Tube and planchet holder. Shield dimensions are development on the selected GM Tube.

Specifications :

  Electronics   :  All solid state, Micro-Controller based design.
  Operating Modes   :  Preset Timer, CPS, CPM
  Preset Timer   :   ON Time settable between 1 to 9999 sec    (* can be supplied in HH:MM:SS format )
 OFF Time settable between 1 to 9999 sec 
  Number of Runs  :  Settable between 1 to 1000 
  Display  :  Counts : 999999
     Time : HH:MM:SS:CS
     Runs : 1000  
  HV Supply :  Adjustable to 1000V by setting front panel mounted Helipot with calibrated dial 
  Data Storage  :  Store and recall facility for data up to 1000 readings 
  User Interface  :  4 keys keypad with 16x2 line LCD for displaying Key function 
  Data Transfer  :  To PC :RS232 COM Port 
 To Printer : Centronics Parallel Port 
  Power :  240 V (+ 10%), 50 Hz Ac Mains

 Mechanical
  Dimension  :  200 L x 208 D x 90 H mm.
  Weight :  Approximately 1 kg

 Accessories

  GM Detector 

 :  Model 712 make or as required

 Optional
     Planchet Holder for End Window GM Tube
     Lead Shield with door arrangement for GM tube and planchet holder
     Aluminium Absorber Kit
     Radioactive Sources (on request)
 

 

 
  PNC-Alpha : Para Nuclear Counter  (ZnS Tube Based) 

 

Para Alpha Counter Model PNC-Alpha is a micro-controller based, economical, stand alone, mains operated instrument for Alpha Counting application. Model PNC-Alpha, uses ZnS(Ag) alpha scintillator, is protected from stray light by a thin layer of aluminized myler sheet and is mounted on photo multiplier tube as nuclear radiation detector. Necessary electronics & high voltage supply are housed in the equipment. Coaxial cable with BNC connector connects the Alpha Detector to Model PNC-Alpha.

Para Alpha Counter Model PNC-Alpha can store 1000 readings in a non-volatile memory. These readings can be downloaded to PC via RS-232 interface or printed via parallel interface. These readings can also be scanned on LCD display after the counting experiment.

Model PNC-Alpha, is ideally suited for Nuclear Counting Experiments carried out in Universities 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. 

Alpha Counter, in the standard form is supplied as a preset timer with 6 digit scaler. However, it is possible to supply it with modified software to include preset counts, CPS/CPM modes to suit to your requirement.

A Drawer Assembly to hold 1" dia or 2" dia filter paper is supplied as standard accessory. The detector mounts upside down on the drawer assembly such that myler face of the detector is just 2 mm above the sample filter paper.

Specifications:

  Electronics  :  All solid state, Micro-Controller based design.
  Preset Timer  :  Time settable between 1 and 9999 seconds with Step of 1 second increment
  Number of Runs :  Settable between 1 and 1000
  Menu Display    Counts : 999999
 Time : 9999
 Runs : 1000 
  HV Supply  :  Adjustable to 1000V by setting front panel mounted Trim pot
  Data Storage  :  Store and recall facility for data up to 1000 readings
  User Interface  :  4 keys keypad with 16x2 line LCD for displaying Key function
  Data Transfer  :  To PC : RS232 COM Port 
 To Printer : Centronics Parallel Port
  Power :  240V, 50 Hz AC Mains 
   

 Mechanical
  Dimension   :  200 L x 208 D x 90 H mm.
  Weight :  Approximately 1 kg

 Detector

   
  Alpha Probe :  2" dia ZnS(Ag) Scintillator with Mylar sheet, mounted on 2" dia PMT type B51D01
  Efficiency  :  Better than 25% 
  Background  :  Less than 10 Counts/Hr

 

 
 ALSCIN : Para Alpha Scintillation Counter

 

Para Alpha Scintillation Counter Model ALSCIN is a micro-controller based, economical, stand alone, battery as well as mains operated instrument for Alpha Counting applications.ALSCIN uses ZnS(Ag) alpha scintillator covered with aluminized myler, mounted on photo multiplier tube as nuclear radiation detector. Necessary electronics and high voltage supply are housed in the instrument.  

ALSCIN is useful for Alpha counting in Health Physics applications in radioisotope laboratories, nuclear reactors, nuclear power plants, environmental survey labs, etc.

ALSCIN uses micro controller for counting, menu display and key board functions. Pulse processing electronics generates the TTL shaped pulses fed as input to the counter. Typical Alpha Counting efficiency is better than 25%.

ALSCIN has 8x2 line LCD menu display with back-lit facility. Counts upto 999999 are displayed at the end of preset time. Timer can be set in Auto/Manual Mode. During Auto mode, ALSCIN counts the pulses for 1 minute time interval and then displays on LCD. In Manual mode of operation, Start/Stop key sets the start and end of counting time. Reset Key enables user to clear the counts taken in earlier run.

ALSCIN is supplied with a drawer assembly which enables user to keep 1" or 2" dia samples under the scintillator.

Specifications :

 Counter
  User Interface :  8 Character LCD display for counts
  Max. Counts :  999999
  Switches :  Start/Stop/Reset Switches to control Manual mode
  Preset Time :  1 minute (Auto Mode) or Manual
  Indications :  Low Batt indication
  HV Supply :  Settable between 100 to 1000V as required
  Accessories :  Calibration source holder for 1" dia source
  Enclosure :  Aluminum table top enclouser
  Power :  Battery Eliminator : 240V AC Mains input / 6V DC Output
 
 Detector
  Alpha Detector :   Alpha Scintollation ZnS(Ag), integral assembly with voltage divider on 2" dia PMT
  Viewing area :   20 cm2 approx, circular scintillator ZnS screen of 2" Dia on 2" Dia PMT
  Detector Efficiency :   Better than 25%
  Drawer Assembly :   1" or 2" filter paper measurement
 Mechanical
  Dimensions (Overall) :   270 H x 140 W x 190 D mm
  Weight :   3 Kg approx

 

 
  PRIA-1 : PC Based Para RadioImmunoAssay Counter  

 

 

Para Electronics offers PC based RIA counter Model PRIA-1 for measurement of in-vitro gamma radiations in nuclear medicine applications.

PRIA-1, Para RadioImmunoAssay Counter is a micro-controller based, economical, mains operated instrument for measurement of in-vitro gamma radiations in nuclear medicine applications. Among the in-vitro applications of radioisotopes, RadioImmunoAssay has already been established as versatile and unique for variety of diagnostic procedures.

PRIA –1 set up, consists of a detector and counting unit. The detector is a well type NaI(Tl) nuclear scintillation detector of size 1.5” dia x 2“ thick having a well of 0.75” dia x 1.5“ deep; optically coupled to a Photo Multiplier Tube sealed in a light tight package. It is surrounded by 15 mm thick lead to shield the detector from external/background radiations. The Read Out electronics is housed in an elegant ABS plastic enclosure. Coaxial cable with BNC connector connects the detector unit to the counting unit. This helps assembly, testing and maintenance of the instrument simple. 

Windows 98 or XP based data transfer and data reduction software SAPRICAL is supplied with PRIA-1 (optional). Data transferred through RS-232 cable is processed by the data reduction facility of SAPRICAL to carry out the calculations for standard assays and to plot the necessary graphs. It also stores the patients' data and finally generates the patient report.

PRIA-1, is also available as 'Two Channel RIA Counter' to perform simultaneous counting of I-125 and Co-57 for measuring double labeled assays such as Vitamin B-12 and Folate. Assisted by data reduction and plotting software MAPRICAL.  Simultaneous counting in both the channels is achieved which saves the evaluation time.

PRIA-1, is a very useful diagnostic tool, needed in every small, medium or large-scale pathological laboratory for clinical evaluation of the vitally important biological ingredients such as hormones, vitamins and steroids for early diagnosis of various diseases.

For dual channel RIA counter PRIA-1 (set for two channel) with MAPRICAL software will be offered.

Specifications : 

 Detector with Lead Shield
  Detector Type  :  Well type NaI(Tl) crystal of size 1.5” dia coupled high counting Efficiency
    (greater than 70%)
  Operating Voltage    :  800-1000 Volts (as per detector specifications)
  Well Size  :  0.75” dia x 1.5” deep
  Background    :  Less than 60 CPM for I-125
  Well Liner  :  Removable plastic well liner to prevent detector contamination
    
 Read Out Unit
  Analyzer    :  Single Channel Analyzer set for I-125
  Keyboard  :  Local 4 keys keypad to set counting time
  Display  :  16x2 line LCD display for diagnostic purpose
  Counting Time  :  In steps of 10, 30, 60, 100, 200, 400, 800, 1000 Seconds
   
 Mechanical

Dimensions

Weight

  Detector (With Lead Shield)   

 170 Φ(Base) x 255 H mm

 5 Kg (Approx.)

  Read Out Unit

 200 L x 228 D x 90 H mm

 1 Kg (Approx.)
 
 Electrical  

  Power

 :  240V (±10%) AC, 50Hz or 4 nos. Dry Cells type C
 
 Data Reduction 'SAPRICAL' Software


  SAPRICAL Features :
  • User Friendly, Menu driven
  • Works with any standard PC with Window 98 or Windows XP operating system
  • Designed to carryout all routine RIA / IRMA work
  • RIA / IRMA assay can be designed/ programmed by entering kit information
  • Counts data (Standard tubes, QC and patient) can be entered manually or received from counter through RS-232
  • Data reduction, background counts subtraction/correction
  • Standard curve plotting and printing
  • Assay, patients counts storing, recalling and printing

 

 
 
  PACASC : PC Based Para RadioImmunoAssay Counter  

 

 

Para Alpha Counting System Model PACASC is Industrial PC based stand alone mains operated system for Alpha radiation counting on disc type filter paper samples or planchets of 38mm dia. Model PACASC is with automatic sample changer to count samples up to 10 nos in each run. Model PACASC is with Menu based touch screen for ease of unattended operation for pre-programmed sample positioning, counting and report generation.

Model PACASC has three modes for operation, viz. SETUP, RUN, and REPORT. In SETUP mode user can set various operating parameters for the system. In RUN mode the system counts alpha radiation from the samples with set operational parameters. In REPORT mode user can generate reports in predefined formats for records storing and printing. Sample Carousel for holding sample/planchets is made from high quality stainless steel. Stepper motors are incorporated for accurate sample changing / positioning for counting.

Model PACASC is ideally suited for health physics labs, environmental survey labs, nuclear power plants etc where large numbers of samples are handled for routine counting and records.

Specifications :
 

  Radiations detected   :  Alpha radiations from disc type filter papers/planchets
  Detector   :  51mm dia ZnS(Ag) Scintillator mounted on 51mm dia PMT
  Efficiency  :   better than 25% 
  Background  :  less than 3-4 counts/Hour 
  Alpha Counts capacity :  0 to 999999 counts
  Sample size :  38mm dia disc type filter paper or planchet 
  No.of Samples / RUN  :  10 nos. 
  Sample Counting time  :  Settable between 0 to 9999 seconds in steps of 1 sec 
  Next Sample travel time  :  5 secs
  Sample Elevation time :  10 secs

 System Operating Modes
 SETUP mode to set system operating parameters as follows:
 
  Sample Selection :  From 1 to 10 Samples

  Counting Time :  Settable from 1 to 9999 seconds
  Repeat Counting :  Settable from 1 to 10
  Detector Supply :  0 to +1200V
  Baseline (E) :  0 to +5 volts
  ULD :  0 to +5 volts
 SCA operation in Threshold or Window mode is hardware jumper selectable.
  Note : Spectroscopy amplifier with 2 usec shaping time is built in with adjustable gain suitable for the detector.
 
  RUN mode to operate the system with set parameters :
 
  Start :  Start Alpha Counting samples in set sequence
  Stop :  Aborts present counting and brings the sample to rest position.
     
  REPORT mode to generate reports after completion of counting process : :
  Sample ID, Counts, date, time, system parameters etc in predefined formats are saved and available for printing on USB port.
     

 General

  Power :  230 V (+/- 10 %), 50 Hz Mains
  Mechanical Dimension :  270L x160 W x 320D mm
  Weight :  Approx 15 kg
     
 

    

     Copyright © 2007 Para Electronics, Manufacturing Division of Electronic Enterprises (I) Pvt. Ltd.