Geiger counting system (Beta counting system)

Geiger counting system (Beta counting system) [ TYPE : GC 602A ]

Technical Data

This counting system can be useful for carrying out a number of Nuclear Physics experiments such as Characteristics curve of a G.M. Detector, to verify the inverse square law for Gamma Radiation, determination of Beta Absorption correlation factor, efficiency of G.M.Counter for Beta Radiation, determination of the back scattering factor of a material for beta rays etc,. if it is used in a teaching lab.

G.M. Input (From G.M.Counter) (a) Polarity : Negative
(b) Amplitude : 250 mV (min)
Resolving Time 6 micro sec (approx)
EHT Output Variable EHT using tenturn pot upto a maximum of 1500 volts at 1 mA. Line and load regulation better than 0.05%. Ripple less than 20mV.
Display 20 x 2 LCD dotmatrix display has been provided to indicate data counts, Elapsed Time and HV.
Modes of operation Preset count & preset time modes.
Counts Capacity 999999 counts
Preset time (0-9999) sec.
Data Storage Upto 1000 readings
Command Buttons START, STOP, PROG, STORE, INC & DEC command buttons have been provided on the front panel key pad.
Programmability Includes selection of Preset Time, Storing / Recalling of data, Starting and stopping of acquisition, lable assignment for data counts BG (Background), ST (Standard) & SP (sample) etc,.
Printer Port Built-in centronics port facilities connection to a printer for direct data printing selectively.
Serial Port USB facilities data communication to PC under programme control.
Paralysis Time A choice of three paralysis times 250, 350 and 550 micro sec plus OFF position selected through PROG key.
G.M. Socket MHV connector for connecting to G.M. Detector.
Power Unit is powered works on 230V, AC, 50Hz through power / adapter which delivers +12V input to unit.
Mechanical Dimensions 236mm(W) X 133mm(H) X 246mm(D)