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HDR 1000 PLUS Well Chamber Confidence in Brachytherapy Source Calibration

Global standard for independently verifying brachytherapy source strength.

HDR 1000 PLUS Well Chamber Overview

Precise, Accurate: An Industry Standard

Ideal for LDR and HDR brachytherapy.

Validated in over 50 scientific presentations and used by primary and secondary radiation standards laboratories worldwide. Air-communicating chamber, so there is no inaccuracy due to an undetected gas leak as in a pressurized chamber.

Perform Independent Verification

AAPM TG-56, TG-40 and TRS-398 recommend independent verification of source strengths. Without independent calibration, centers in the U.S. may be forgoing reimbursement income.

Assurance is Confidence

HDR 1000 Plus has been performance validated in more than 50 scientific presentations and is used by Primary and Secondary Radiation Standards Laboratories throughout the world. Precise and accurate calibration of HDR and LDR Iridium, Iodine, Palladium, Cesium, and Strontium brachytherapy source activities. Calibrates individual and multiple sources.


  • Height
    15.6 cm
  • Diameter
    10.2 cm
  • Insert Diameter
    3.5 cm
  • Insert Height
    12.1 cm
  • Weight
    2.7 kg

Product Standards

  • IEC 60601-1, IEC 60601-1-2

Operating Parameters

  • Temperature
    10 to 40 °C
  • Relative Humidity
    20 to 80% non-condensing
  • Pressure
    650 to 770 mmHg

Storage Parameters

  • Temperature
    -15 to 50 °C
  • Relative Humidity
    10 to 95% non-condensing
  • Pressure
    600 to 800 mmHg



    Feb 23rd, 2023 / Brachytherapy Basics with Larry DeWerd, Ph.D.

    Whether you’re looking for an introduction, needing a refresher course, expanding your clinical scope, or just enjoying the topic, please join renowned professor Dr. Larry DeWerd for a dive into the world of brachytherapy. Bring your questions to this review of TG-43, skin applicators, HDR vs. LDR, and more!

Tech Notes

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