Farmer Type Chamber FAR 65-GB

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Applications

  • Absolute dosimetry in radiation therapyPhotons and High Energy Electrons.
  • Traditional chamber construction for absolute dosimetry in x-rays
  • Standard reference detector for reference dosimetry and scientific applications

Features

  • Air ionisation chamber
  • Chamber with graphite wall, for all applicable radiation conditions
  • Non waterproof
  • Vented through waterproof sleeve
  • Guarded upto 15 mm from base
  • Supplied with individual factory
  • Calibration certificate and
  • User’s guide (Provisional)

Material

  • outer electrode Graphite (1.82 g/cm3)
  • inner electrode Aluminium (2.70 g/cm3)
  • build-up cap for 60Co Delrin (1.42 g/cm3)

Active Dimensions

  • volume (nominal) 0.65 cm3
  • total active length 23.1 mm
  • inner diameter of cylinder 6.2 mm
  • wall thickness 0.4 mm
  • diameter of inner electrode 1.0 mm
  • wall thickness of build-up cap for 60Co 3.9 mm

Cable & Connector

  • Connector type: TNC triaxial
  • Cable length : 1.40 m

Operational Data

  • leakage current : < ± 10 x 10-15A
  • sensitivity: 21 x 10-9 C/Gy
  • radiation quality (e-): 1.3 MeV – 50 MV
  • polarising voltage : + 300 V
  • reference point w/o build-up cap : 13 mm from the distal end of the chamber
  • reference point with build-up cap for 60Co : 17 mm from the distal end of the build-up cap

Contact Details:
James Marzelo
127, Bussa Udyog Bhavan
T. J. Road, Sewri (West)
Mumbai – 400 015 (India)
Tel : 91 22 24166630
Email: support@rosalina.in
Website: www.rosalina.in