Machine QA
Exradin® D1V Diode Detector Ideal for water scanning
The D1V's diode face is perpendicular to the beam when upright, making it ideal for photon scanning applications and use in water phantoms and the Lucy 3D QA Phantom.
Exradin® D1V Diode Detector part of complete solution for:
Annual QA
Diode Type
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P-type Si diode, unshielded
Materials
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C552 shell for EMI shielding and durability, potted with near-water equivalent epoxy to eliminate air gaps
Outside Diameter
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D1V (REF 92740): Ø 6.88 mm (0.271”) x 46.2 mm (1.817”) long, D1H (REF 92741): 6.88 mm (0.271”) x 6.88 mm (0.271”) x 34.8 mm (1.37”)
Diameter of Sensitive Area
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1 mm2 x ~0.05 mm thick
Effective Depth Below Surface
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0.8 mm - Indicator marks or lines clearly identify internal diode orientation and active face
Intended Energy Range
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Photons: 60Co to 25 MV
Low-Noise Triaxial Cable
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50 ohms, 29 pF/ft, 1.5 m long
Connector availability
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Standard BNC triax, with HV bias capability disabled. Other connector options such as TNC or type M may be available upon request.
Waterproof
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Yes, may be used in water phantoms, designed to mount cleanly and easily to available chamber holders.
Operating Voltage
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0 VDC bias (protected from accidental high voltage application)
Signal Polarity
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Positive
Radiation response, typ
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~5 nC/Gy
Leakage current, typ
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<100 fA (typical, depends on electrometer used)
Temperature dependence, typ
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<0.4 % / °C
Sensitivity decrease (at 6 MV)
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<1.0 % per kGy
Dose to pulse dependency
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> 99.5% over relevant clinical range.
Dose linearity
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> 99.9%
Field size dependency
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> 97.0%
Intended Field size for use
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up to (20 x 20) cm2
Directional Dependence
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< ± 0.5% tilting ± 20
Operating Parameters
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Temperature: 15 to 35 °C
Relative Humidity
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20 to 80% non-condensing
Pressure
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650 to 770 mmHg
Temperature
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-15 to 50 °C
Relative Humidity
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10 to 95% non-condensing
Pressure
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600 to 800 mmHg
Product Standards Compliance
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IEC 60601-11, IEC 607311, WEEE, RoHS
Videos
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Small fields have met their match. The Exradin Scintillators ensure the tightest treatment margins are delivered safely to patients. Discover the advantages of using these detectors that are invisible to the beam and water equivalent.
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