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Gemini Technology Ltd
Unit 5 Wellington Ind. Estate.
Spencers Wood
Reading
Berkshire
United Kingdom
RG7 1AW
Tel: +44 (0)1189 888260
Fax: +44 (0)1189 885637
info@geminitechglobal.com

Gamma Irradiation Calibration Systems

Gemini specialize in the supply of Secondary Standard Dosimetry Systems. We have designed, manufactured and commissioned a significant number of Gamma, Neutron, and X-ray Calibration Systems. As well as numerous upgrades, to both mechanical and control systems.

Control Unit
The irradiator exposure unit is controlled via a Windows based GammaCal™ software system, its main features include:


  • Full control of X, Y, Z and rotational axes.
  • Full shutter lift control of Gamma irradiator main gamma shutter and americium shutter unit.
  • Full control of rotary gamma source cassette.
  • Certificate issued for each instrument calibrated by the Gamma Irradiator.
  • In-cell control of video equipment and screen grab display of camera in top corner of monitor.
  • Radiological status supplied on monitor screen; full control of warning lights, audible alarm and e-stops.

Video Systems
  • Multi-zoom camera lens for clear visual image of calibration instrument.
  • Pan/tilt unit attached to colour camera for accurate positioning.
  • Adjustable stand.
  • In-cell LCD mini monitor attached to trolley.
  • Controller unit situated in control room to fully control pan/tilt, zoom and focus of camera.

Gamma Irradiation Exposure unit
  • Lead shielded steel casing and heavy-duty steel pedestal.
  • Tungsten fail-safe Gamma Irradiator shutter unit.
  • Multi-ring Tungsten/lead collimator.
  • Multi-source Gamma cassette with motor driven spindle assembly.
  • Bolt on Americium Irradiator exposure unit.
  • Size of Gamma Irradiator exposure unit can be re-calculated to meet the source requirements of the customer.

Track & Trolley unit
  • AI Alloy construction using channel, angle and ground plate.
  • Precision linear rails and bearings used on X, Y and Z axes.
  • X axis driven via a linear actuator using a stepper motor/gearbox arrangement.
  • Y axis driven via a lead screw using a stepper motor.
  • Z axis raised and lowered via a screw jack using a stepper motor/gearbox arrangement.
  • The rotational axis is driven via a precision rotary table.
  • Energy chain used on X and Y axes for tidy/stress free transportation of cables.
  • Lengths, widths and heights can be modified to meet the requirements of the customer.

    Make a Gamma Calibration Rig enquiry:

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Gemini offer a wide range of Products and services related to Gamma Calibration Systems. Gemini designed Gamma irradiator systems as well as Third party Gamma irradiator systems. Such as :
  • Irradiator health Checks
  • Source storage Vessels
  • Automatic Collimator Plug
  • Legacy Irradiator

Gemini can be your solution for anything Gamma Calibration System related.

neutron irradiator with diablo collimator for calibration designed and supplied by gemini and nuvia
Gemini's newest Gamma Irradiation Calibration Rig, recently installed.
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