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Plane-Parallel Ionization Chamber

Product Category : Ionization Chambers
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Supplier : Rosalina Instruments

Key Features of Plane-Parallel Ionization Chamber
  • Vented, plane-parallel ionization chambers with automatic k[t,p] correction
  • Unique detector layout to verify main QA parameters in just one measurement
  • Patent pending energy verification method [optional]
  • Gantry [optional] or table mounts
  • Predefinition of setup and queues
  • Fast Track measurement mode
  • simultaneous, real time measurement and analysis of symmetry, flatness, penumbra, field width, energy verification and dose output
  • MLC and wedge check
  • Light field radiation field congruence
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Product Profile of Plane-Parallel Ionization Chamber
Rosalina Instruments offers Plane-Parallel Ionization Chamber. Rosalina Instruments supplies single - sample osmometer, milk cryoscopes, radiation detectors, block cutting devices, x-ray meter etc in wide ranges. Plane-Parallel Ionization Chamber is available with optional patent pending energy verification method. Plane-Parallel Ionization Chamber offers real time measurement and analysis of symmetry, flatness, penumbra, field width, energy verification and dose output. Plane-Parallel Ionization Chamber is suited for routine QA of high energy photon and electron beams.

Key Features of Plane-Parallel Ionization Chamber
  • Vented, plane-parallel ionization chambers with automatic k[t,p] correction
  • Unique detector layout to verify main QA parameters in just one measurement
  • Patent pending energy verification method [optional]
  • Gantry [optional] or table mounts
  • Predefinition of setup and queues
  • Fast Track measurement mode
  • simultaneous, real time measurement and analysis of symmetry, flatness, penumbra, field width, energy verification and dose output
  • MLC and wedge check
  • Light field radiation field congruence
Product Specification of Plane-Parallel Ionization Chamber
  • Active Area: 27 cm x 27 cm, measuring field sizes up to 25 cm x 25 cm
  • Application Area: routine QA of high energy photon and electron beams
  • Backscatter material: RW3, thickness 22 mm
  • Chamber Size: cylindrical, 3 (?) x 5 (h) mm, sensitive volume 0.035 cm<sup>3</sup>
  • Chamber type: vented plane-parallel ionization chambers
  • Channels: 453
  • Charge resolution: 0.1 pC/count
  • Dimensions: 56 cm (L) x 6 cm (H) x 32 cm (W)
  • Dose linearity: tested to be better than 0.5 % from 10 cGy to 5 Gy integral dose and better than 0.5 % from 0.1 Gy/min up to 4 Gy/min dose rate
  • Dose rate range: 0.1-20 Gy/min
  • Effective point of measurement: 3 mm below top surface
  • Electrometer: 8 TERA ASICs (each contains 64 independent electrometers)
  • Energy range: <sup>60</sup>Co, 4 MV?30 MV Photon<br> 4 MeV-21 MeV Electron
  • Energy verification: one build-up plate each for photon and electron energies (optional)
  • Hard Disk: with at least 100 MB available
  • Interface: point to point or network Ethernet connection
  • Intrinsic build-up: 3 mm Tecaran ABS; density 1.06 g/cm<sup>3</sup>
  • Measuring quantity: absorbed dose, dose rate
  • Memory: 512 MB RAM (1 GB RAM recommended)
  • Microprocessor: Pentium (or equivalent), 1.8 GHz or better
  • Number of chambers: 453
  • Operating System: Microsoft WindowsTM (2000, XP)
  • Output Factor: within 1 % from 5 x 5 to 25 cm x 25 cm field size compared to CC13 between 6 and 18 MV
  • Ports: available Ethernet connection (RJ-45 for StarTrack)
  • Positioning: gantry mount (holder optional) or patient table
  • Power Supply: 100-240 V, 50/60 Hz, power cord with US or German power plug included
  • Readout: parallel and synchronous with no dead time
  • Resolution: 5 mm detector spacing for horizontal and vertical lines and 7 mm for diagonals
  • S/N Ratio: better than 1 % with 1 cGy integrated dose
  • Sampling time: min. 10 ms
  • Sensitivity: 1.1 nC/Gy (Co60)
  • Sensor layout: chamber arrays organized along main axes and diagonals, additional 4 arrays dedicated to MLC checks, 10 additional chambers for energy constancy check
  • Weight: ~10 kg

Recently updated products in Ionization Chambers

Plane-Parallel Ionization Chamber

Supplier : Rosalina Instruments

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