The E350 is a compact one-dimensional water phantom designed for absolute dose measurement and calibration in radiotherapy. Combining measurement accuracy, ease of use, and long-term reliability, it provides a practical solution for routine calibration, quality assurance, education, and research applications.
Used together with ionization chambers and electrometers, the E350 supports reference dose measurements under standardized conditions, providing a reliable foundation for machine calibration and dosimetric verification procedures.
Compatible with
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Absolute Dose Calibration:
- Supports photon and electron beam dosimetry for medical linear accelerators, cobalt-60 units, and other radiotherapy systems.
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Routine QA:
- Suitable for periodic QA measurements, including monthly, quarterly, and annual output verification to assess beam stability and consistency.
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Education and Research:
- Provides a standardized platform for dosimetry training, radiation physics education, and experimental studies.
Key Features

Motorized Depth Positioning
Motorized detector depth adjustment for efficient setup and reproducible measurements.

Designed for Absolute Dose Measurement
Supports absolute dose measurements under reference conditions for machine output verification and calibration.

Compact and Easy to Deploy
Lightweight design for rapid setup and routine clinical use.
Technical Parameters
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External dimensions (L x W x H)360 mm × 360 mm × 360 mm
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Internal Dimensions (L×W×H)340 mm × 340 mm × 350 mm
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Scanning Depth0–250 mm
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Scanning ModeManual Scan
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Minimum Step Distance0.1 mm
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Chamber Wall Thickness10 mm
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Water Capacity36 L
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Empty Weight8.8 kg

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