Atomlab™ 500Plus Dose Calibrator

The Atomlab™ 500Plus Dose Calibrator with proven performance for fast, accurate measurements.

The Atomlab™ 500 can be used for a wide variety of nuclear medicine, PET and radioimmunotherapy applications, with proven performance for fast, accurate measurements. The system consists of a low pressure ionization chamber, electrometer with extraordinary linearity, and an auto-ranging colour touchscreen display. Additionally, there are advanced, but easy-to-use programs for nuclear pharmacy.

Activity measurements are performed by the microprocessor controlled electrometer located within the chamber assembly. The chamber is shielded with .25" (6.3mm) lead. It can be located up to eight feet away from the display unit. Chamber bias is generated by an electronic high voltage supply, eliminating the need for expensive battery changes.

Every element of the design and technical development will increase dose accuracy, department productivity and regulation compliance. The attractive and intuitive human interface guides the user through each operation. Software can easily be updated via the Biodex website or by using a convenient USB memory device. In addition to powerful self-diagnostics, the Atomlab 500 includes an exclusive chamber monitoring technology to ensure longer life and accuracy. Integrated pressure and temperature sensors feedback data so that the influence of gas pressure change will not affect an accurate reading.

Operation

The system is easy to use. There are 12 isotope selection touch keys pre-programmed for the most commonly used radionuclides. Any of those keys can be reprogrammed by the user for a desired isotope. There are 98 isotope-specific dial values listed in the library. Dial values can easily be changed if required. Activity is displayed on the color display in either Curie or Becquerel units. Background correction is performed at the touch of a button. Range selection is automatic, from .01 microcurie to 100 curies of Tc-99m or 25 curies of F-18.

 

Summary

Isotope Selection Keys

Twelve pre-programmed: Tc-99m, Tl-201, I-123, I-131, Cs-137, Co-57, Xe-133, Ga-67, In-111, F-18, Y-90s, Ba-133 and a full alphabetical list of 98 isotopes

Activity Range

0.01 µCi to 100 Ci (.0004 MBq to 3700 GBq) of Tc-99m or 25 Ci of F-18

Energy Range

25 keV to 3 MeV photons

Response Time

1-2 seconds for doses greater than 200 µCi
3 seconds for doses greater than 20 µCi
50-100 seconds below 20 µCi of Tc-99m with default threshold
Threshold adjustable to reduce counting time

Electrometer Linearity

± 1% or 0.2 µCi, whichever is greater, up to 40 curies of Tc-99m, ± 1.5% up to 100 curies of Tc-99m

Electrometer Accuracy

± 1% or 0.2 µCi, whichever is greater

Overall Accuracy

± 3% or 0.3 µCi, whichever is greater
Overall accuracy is affected by such factors as the accuracy of the specific source calibration, geometric variations due to sample volume or configuration, detector linearity, electrometer accuracy and readout accuracy

Repeatability

± 0.3% above 1 mCi short term (24 hr); 1% long term (1 year)
  • All-In-One Flat Panel Touchscreen Display with Windows 10 Operating System and USB connectivity
  • Auxiliary Ports: USB and RS-232

Detector

Unit

Well-type pressurized ionization chamber, with Argon fill gas

Dimensions

Overall: D 6" x H 15.5" (15.24 x 39.37cm)
Internal: D 2.75" x H 10.5" (7 x 26.7cm)
Internal with Liner: D 2.5" x H 10.25" (6.35 x 26cm)

Shielding

.25" (6.3mm) lead on all sides except top well opening; supplementary shielding available

Linearity

± 1% or 0.2 µCi, whichever is greater

Weight

35lb (16kg)

Power

100 to 240 VAC, 0.38 – 0.15 amps, auto switching

Quality Assurance

The Atomlab™ 500 has been designed to make life easier. The extensive selection of quality assurance applications streamlines and simplifies hot lab administration requirements. The system stores and decay corrects multiple reference sources and compares the measured activity to the calculated activity for the daily constancy test.

Linearity tests can be performed in the traditional manual method or by a fully automated program that allows for readings from a source to be taken, and automatically recorded at specified intervals. The system will graph the results. The attenuation tube test for linearity can be performed using software that will guide the user through the procedure, store the values and make all calculations.

Documents

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