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 (Ø) x 5 (h) mm, sensitive volume 0.035 cm3
- 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:60Co, 4 MV–30 MV Photon
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/cm3
- 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
