OCTAVIUS^® Detector 1500 MR

Array Detector for Linac and Patient QA at MR-Linacs

The OCTAVIUS Detector 1500 MR is a new concept of an ion chamber matrix in a plane for IMRT verification and quality control in MR guided radiotherapy.

Key Features

Suitable for use with OCTAVIUS 4D MR – the modular QA phantom
Active volume 4.4 mm³x 4.4 x 3 mm³ per chamber
Detector spacing 7.1 mm center-to-center
Large field coverage: 27 cm x 27 cm
One single device for linac and patient-specific QA

Gold standard ionization chamber technology avoids detector ageing effects
Also suitable for IMRT plan verification
Outstanding detector and matrix design: 1405 vented ionization chambers

Technical Specifications

Detector type:	Plane-parallel vented ionization chambers
Number of detectors:	1405
Detector size:	4.4 mm x 4.4 mm x 3 mm (0.06 cm³)
Detector spacing:	7.1 mm center-to-center
Max. field size:	27 x 27 cm²
Reproducibility:	≤ ± 0.5%
Dead time:	zero
Repetition rate:	100 ms
Measured quantities:	absorbed dose to water (Gy), absorbed dose rate to water (Gy/min)
Resolution:	Dose: 0.1 mGy, Dose rate: 0.1 mGy/min
Measurement range:	0.25 ... 800 Gy/min
Reference point:	7.5 mm below the surface of the array
Housing material:	PS, GRP (frame)
Dimensions:	467 mm x 300 mm x 22 mm (H x W x D)
Weight:	6 kg
Power supply:	(100 ... 240) VAC; (50 ... 60) Hz
PC connection:	Ethernet

Related Downloads

Brochure

OCTAVIUS at MRIdian linac ( )

Brochure

MR-RT Products ( )

Catalog

Radiation Medicine Catalog ( )

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