Air Filled Ionization Chambers

Semiflex Ionization Chambers

Waterproof thimble chambers for measuring high-energy photon and electron radiation in air, water and phantom material

  • Vented sensitive volumes of 0.125 cm3 and 0.3 cm3
  • Suitable for use in water phantoms
  • Flat energy response within a wide energy range

 

 
Rigid Stem Ionization Chambers

Thimble chambers for measuring high-energy photon and electron radiation in air and in phantom material

  • Vented sensitive volumes of 0.3 cm3 and 1 cm3
  • Suitable as reference chambers for use in solid phantoms
  • Very flat energy response within a wide range
 
PTW Farmer® Ionization Chambers

Thimble chambers for measuring high-energy photon and electron radiation in air or in phantom  material

  • Vented sensitive volumes of 0.6 cm3
  • Suitable as therapy chambers for use in solid phantoms
  • Flat energy response
  • A variety of different versions is available
 
Waterproof PTW Farmer® Chamber

Waterproof thimble chamber for measuring high-energy photon and electron radiation in water

  • Vented sensitive volume of 0.6 cm3
  • Suitable as therapy chamber for use in water
  • Flat energy response
 
Sealed Ionization Chambers

Waterproof and flexible ion chambers with sensitive volume sealed against the surrounding air

  • Sealed sensitive volumes of 0.1 cm3
  • Suitable for intracavitary in-vivo measurements (inconjunction with an UNIDOS dosemeter)
  • Comply with safety standard IEC 60601-2-9 for patient contact
 
PinPoint® Ionization Chambers

Waterproof ion chambers for dose measurements in radiotherapy with high spatial resolution

  • Vented sensitive volumes of 0.015 cm3, 0.016 cm3 and 0.03 cm3
  • Suitable for dose scanning in radiotherapy beams with a superior spatial resolution
  • Suitable for use in water
 
Advanced Markus® Electron Chamber

Plane parallel ion chamber for high-energy electron measurements in water and solid state phantoms

  • Vented sensitive volume of 0.02 cm3
  • Same outer dimensions as the classic Markus chamber
  • Wide guard ring design
  • Suitable for relative and absolute electron dosimetry
  • The chamber is waterproof when used with protective cap
 
Roos® Electron Chamber

Precision plane parallel chamber for absolute dosimetry of high-energy electron radiation in water and solid state phantoms

  • Vented sensitive volume of 0.35 cm3
  • Reference chamber for precise absolute electron dosimetry
  • Perturbation-free design and minimal polarity effect
  • Suitable for use in water and in solid state phantoms
 
Accessories

Build-Up Caps for Ionization Chambers

Acrylic and brass build-up caps for thimble chambers for use in high-energy photon beams

  • Photon energy ranges from 60Co up to 30 MV
  • Establish electron equilibrium for in-air measurement
  • Suitable for PTW Farmer and semiflex chambers
  • Made of acrylic or brass

Detector Extension Cables

High quality triax extension cables with BNT, TNC and PTW-M connectors

  • Serve as low noise triax cables for the connection of radiation detectors to electrometers
  • Low cable leakage caused by irradiation
  • Resistance against radiation damage
  • Available in lengths of up to 100 meters