Geiger counting system (Beta counting system) *

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

Technical Data
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 ten turn pot upto a maximum of 1500 volts at 1mA. Line and load regulation better than 0.05%. Ripple less than 200mV(rms).
Display 20×2 LCD dot-matrix display has been provided to indicate data counts, Elapsed Time and EHT.
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.
USB Serial Port Built-in USB serial port facilitates data down loading into PC.
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 256mm (W) X 135mm (H) X 324mm (D)

Applications : This unit is an ideal choice for Health Physics sample counting and also for environmental sample counting for Beta activity using GM125 or Pancake detector G.M 138 mounted in a suitable stand. Samples are counted in SS or AL Planchets of 25mm dia. Wide End Window Detector in a planchet recommended for NPCIL or all other nuclear counting labs.