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IVB 1000 Well Chamber Tailored for Calibration of Long Source Trains

Global standard for independently verifying brachytherapy source strength.

IVB 1000 Well Chamber Overview

Superior Functionality

  • An exceptionally long 100 mm sweet spot, unmatched in other chambers, accommodates long source trains and wires.
  • Calibrates individual and multiple isotopes.
  • Outstanding versatility, use one chamber for many isotopes.
  • Source holders available for most existing sources.

Assurance is Confidence

  • Satisfies NRC requirements and TG-60 quality assurance requirements for IVB source strength verification.
  • Precise and accurate calibration of HDR and LDR Iridium, Iodine, Palladium, Cesium, and Strontium brachytherapy source activities.


  • Height
    25.9 cm
  • Diameter
    10.2 cm
  • Insert Diameter
    3.5 cm
  • Insert Height
    22.4 cm
  • Weight
    3.5 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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