E350
1D Water Phantom
The E350 1D Water Phantom is the standard water phantom for absolute dose testing. With “precision, convenience, and durability” as its core features, it has become an essential piece of equipment for quality control in radiation therapy.
Compatible with
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Absolute Dose Calibration:
- Suitable for calibrating photon and electron beam ionization chambers; used in conjunction with dosimeters to perform absolute dose measurements for linear accelerators, cobalt-60 therapy units, and other devices
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LINAC Periodic QA:
- Used for routine maintenance and quarterly/annual quality control; verifies the dose stability of equipment through spot measurements to ensure that treatment doses comply with clinical standards
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Basic Verification in the Radiation Physics Department:
- As a fundamental tool in the radiation physics department, it supports standardized positioning measurements of ionization chambers and provides a basis for preliminary calibration in dose verification for complex techniques such as IMRT and SBRT
Key Features

Precise and Reliable
Supports precise positioning of water depth and alignment lines to within 0.1 mm, achieving high-precision positioning in conjunction with the ionization chamber mounting holes; features a built-in waterproof cap for the ionization chamber.

Convenient and Efficient
Compact and lightweight design allows for single-person transport; bottom leveling mechanism enables rapid deployment; compatible with mainstream dosimeters and ionization chambers, integrating seamlessly into existing quality control measurement workflows without additional calibration.

Stable and Durable
Resistant to aging even with long-term use; equipped with a dedicated drain valve for easy cleaning and maintenance; streamlined design focuses on core functions while eliminating redundancy.
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 ModeStep-by-step or Continuous Scanning
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Minimum Step Distance0.1 mm
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Scanning Speed Range0–25 mm/s
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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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