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Ring
Extremity dosimetry | Ring | Design | TLD technology | HSE Approvals

A sealed dosemeter with no binder

LANDAUER’s Ring dosimetry service provides extremity radiation monitoring for workers required to manually manipulate or work in close proximity to radioactive materials and radiation producing equipment. LANDAUER’s Ring measures exposure due to x-ray, beta, and gamma radiation using a Thermo Luminescent dosimeter (TLD).

Front view Dismantled view One TLD crystal
per cover
Size
Ring
Dismantled view
TLD crystal

Height: 12 mm
Diameter:
Size S: 16 mm
Size M: 18 mm
Size L: 20 mm
Size XL: 22 mm
Thickness on
detector: 3 mm

The Ring uses a lithium fluoride chip with no binder as its detector. This chip is encapsulated inside an identification cover, ensuring its watertightness. It can be worn in dry or wet working conditions and cold sterilised without risk of damage to the detector, by hydrogen peroxide in 10% ethanol.

This detector can be used for designated areas which must be controlled.

A real extremity dosemeter

LANDAUER’s Ring dosimeter measures radiation exposure due to x-ray, beta, and gamma radiation. It is insensitive to neutron radiation.

Energy and doses ranges
Type of measured radiation Result of the Ring dosimeter
Photons
Beta
Personal dose equivalent Hp(0.07) extremities
Dose range 0.30 mSv to 10 Sv 0.40 mSv to 10 Sv
Energy response (average energy) 15 keV to 2 MeV >150 keV (Eavg) - 2.4 MeV (Emax)

More information?
Ring datasheettop



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