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Portable Dosimeter for MOSFET Dosimeters

Portable Dosimeter for MOSFET Dosimeters
Portable Dosimeter for MOSFET Dosimeters

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Portable Dosimeter for MOSFET Dosimeters.


Open Section J: Electrometers, Dose Monitoring, MOSFET & Diodes(PDF) to view related products. (Opens in a new tab)

Portable Dosimeter for MOSFET Dosimeters.

The Portable Dosimeter is an economical, compact, stand-alone system for radiation dose measurement.  Patient dosimetry measurements are available at the touch of a button and display on the integrated LCD, without the need for software or a computer.  Additionally, the rechargeable battery powered dosimeter allows easy transportation from room-to-room, or hospital-to-hospital.

• Stand-alone reader with LCD

• Portable and compact

• Quick set-up time

• Simple menu operation

• Supports two MOSFET dosimeters

• Supports all single MOSFETs

• Optional data export via USB and PortableDose Connect software

• Calibration factor library

• Long rechargeable battery life

• Manual measurement mode or Automatic Sequential mode

• No software or computer necessary

The Portable Dosimeter supports up to two simultaneous dose points with any of the single MOSFETs on standard or high bias setting for optimal dose reproducibility.  An automatic mode is available to continuously sample dose data at a fixed time interval during a session.

After every measurement the dosimetry data is automatically stored to memory for later viewing and can be downloaded to a computer via a USB connection and the PortableDose Connect software.  A simple, menu driven interface allows customization of calibration factors, dose units and operational settings directly on the Portable Dosimeter.  To save you time, a library of default calibration factors is stored in the memory, but the user also has the choice of entering their customized calibration factors.

For one-to-two dose points, the Portable dosimeter is a fast, simple solution for patient dosimetry that can be used for a wide range of applications in radiotherapy and radiology.


• In vivo dose – photon or electron

• Skin entrance and exit dose (TBI)

• Dmax dose measurements

• IMRT and Tomotherapy

• Brachytherapy

• Pediatric CT dose

• Fluoroscopy dose

Supported MOSFET Dosimeters
All single MOSFETs* are supported by the Portable Dosimeter including, Standard and High Sensitivities, microMOSFETs, Heat shrink Reinforced, and Radio-opaque Marker dosimeters.

*Linear 5 Array is not supported.

The Portable Dosimeter for MOSFET Dosimeters Includes
• Portable Dosimeter Reader Module

• PortableDose Connect Software

• USB Cable (PC-to-Reader connection) - 3' (0.9 m)

• Medical Universal Power Adapter (to recharge Reader Module)

• (2) Standard Sensitivity Reinforced MOSFET Dosimeters (Item 322-322)

• (1) Brass Build-Up Cap (Item 322-375)

•  (1) 1 cm Tissue Equivalent Build-up Cap  (Item 322-377)

• Carrying Case

Dose Reproducibility (60Co, 1s)

200 cGy Dose
High Bias Setting:  < 1%
Standard Bias Setting:  < 2%

20 cGy
High Bias Setting:  < 1%
Standard Bias Setting:  < 3%

Units:  Gy, cGy, mGy, rad, mV
Internal clock:  Time and date in 24 hour format
Bias settings:  High and Standard for customized sensitivity
Batteries:  Two AA batteries.  Estimated battery life of more than 1 month
Rechargeable:  Integrated recharging circuit for NiMH AA batteries
Software:  PortableDose Connect software provides data download support with Windows 2000/XP/Vista
Resolution:  0.1 mV over an accumulated total of 20,000 mV
Linearity:  ± 1 mV for the total 20,000 mV
Dose Range:  Typically 20,000 cGy for standard sensitivity and 7,000 cGy for high sensitivity

Data Sheet