TLD Card Dosimeters | OSL Reader & Accessories

TLDcube – manual TLD-Reader

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Applications

Radiation protection
Environmental research
Medical dosimetry
Personnel Dosimetry
Experimental physics
Checking irradiated food

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OSL Reader & Accessories

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TLD-Accessories

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TLD-Handling

Handling Devices for TLD Elements
Accurate handling and storage of TLD elements avoids contamination or mechanical damage of the material. Typical handling devices are vacuum tweezers and storage dish. For oven annealing the storage and annealing tray is used.

Annealing tray and storage dish have the same size and number of recesses for easy transfer of material.

Product Catalogue

RSD-Phantoms

ALDERSON RADIATION THERAPY PHANTOM (ART)
The Worldwide Standard for Quality Assurance for Radiation Therapy The Alderson Radiation Therapy phantom (ART) and its earlier version, the Alderson RANDO phantom, have been in use for over 30 years. The ART has been refined and improved in both design and materials. These phantoms are indispensable quality-assurance tools; about 10,000 are in use all over the world. They provide integrated tests of the entire chain of treatment planning and delivery. ART phantoms are molded of tissue-equivalent material; they are designed within highly sophisticated technological constraints and follow ICRU-44 standards. They are also designed for accuracy and ease of use.

“Other RSD phantom models on request”

N2-Generator

High purity N2 Generator for TL-Measurements
The nitrogen gas generators employ robust, field proven technology to produce ultra-high purity nitrogen for life science, chemical analysis and spectroscopy applications. Flow rates range from 5 L/min to 12.5 L/min, with purities from >98% to >99.999%.

The generators provide a continuous stream of ultra-high purity nitrogen from a single ‘plug & play’ unit. Models are available with and without an integral oil free compressor, are extremely quiet in operation and are fully approved for use by major instrumentation manufacturers.

Product Catalogue

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TLD Reader

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Features

Evaluation of whole body, extremity, beta, gamma, x-ray and neutron doses in single or mixed fields
Hole code or bar code identification of the dosimeter card
High measurement reproducibility with standard industrial N2 heating
Fully programmable pre-heat, measurement and anneal cycles
Automatic element-sensitivity correction, background subtraction and pre- andpost calibration capability with WinTLDpro application software (see below).

Evaluation of whole body, extremity, beta, gamma, x-ray and neutron doses in single or mixed fields
Hole code or bar code identification of the dosimeter card
High measurement reproducibility with standard industrial N2 heating
Fully programmable pre-heat, measurement and anneal cycles
Automatic element-sensitivity correction, background subtraction and pre- andpost calibration capability with WinTLDpro application software (see below).

3 different models available:

TLD reader RE2000A: Automatically process up to 200 dosimeter cards or 800 single TL-elements at one load
TLD reader RE2000S: Automatically process up to 20 dosimeter cards or 80 single TL-elements at one load
TLD reader RE2000RT: Automatically process up to 20 dosimeter cards or 80 single TL-elements at one load including TL-Rods

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TLD MATERIAL- CHIPS AND CARDS

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Tailored to your needs

Lithium fluoride thermoluminescent phosphor, in the form of powder, solid pellets and chips, is recognized universally as the “golden standard” for applications in radiation protection dosimetry, monitoring of environmental radiation and medical dosimetry.

MTS-N

MTS-N (LiF:Mg,Ti) has been produced since 1972 in the form of solid pellets, chips and powder, using unique method developed by Prof. Tadeusz Niewiadomski at the Institue of Nuclear Physics, Krakow, Poland.

Fully exchangeable with with LiF:Mg, Ti phosphors, chips and pellets produced by other companies
Used world-wide in radiationprotection, environmental monitoring and clinical dosimetry.

MCP-N

MCP-N type ultra sensitive thermoluminscent LiF doped with magnesium, copper and phosphorus (LiF:Mg, Cu, P), available as solid detectors or in the form of powder.

30 times more sensitivity to gamma ray doses than MTS-N
Unmatched for environmental monitoring and personal dosimetry.

TLD-Powders

TLD Powders for dosimetry in medical physics:

Beam dosimetry
TLD Quality Assurance for postal reference dosimetry
Typical grain size 80 – 200 μm (customer specified)

MCP-Ns

MCP-Ns (LiF:Mg, Cu, P) thin active-layer ultra sensitive TLD designed to measure Hp(0.07) in external fields of weekly penetrating radiation. Each pellet consists of a thin radiation-sensitive part, of 8.5mg*cm² effective thickness, bonded to a thick, mechanically stable, non luminescent LiF matrix.

Flat energy response after X-ray and ß-ray doses
High sensitivity-reliable measurements of Hp(0.07) in the μGy range

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TLD Dosimeter and TLD Cards

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TLD Aluminium Cards

manufactured by RADCARD (former TLD poland)

Versatile useable and high quality TLD Cards

Aluminium cards with codabar barcodes for use in Harshaw or equivalent TLD card readers. The cards are offered in a wide variety of configurations, with 1 to 4 TLD elements. The elements may be both LiF:Mg,Ti (MTS) and LiF:Mg,Cu,P (MCP) materials.

Lithium is offered in different isotopic composition: natural, 7Li enriched and 6Li enriched. Enrichment of lithium in 7Li is >99.9%, enrichment in 6Li is about 95%.

These cards are suitable for various applications in personal environmental, and neutron dosimetry.

TLD AI-Card

Rados TLD Card

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TLD CHIP IRRIDATOR

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Compact and versatile
The TLD Irradiator IR-200 is a multi-purpose irradiation system with automatic drawer. The device requires only little space on the table. It is used for calibration purposes of TLD elements or TLD cards.

Different carrier discs are available for the irradiation of different TLD elements like rods, chips and discs, as well for Aluminum TLD cards and TLD Slides type RADOS. The irradiation value is defined by the number of carrier disc revolutions.

IR-200 table top irradiator with Sr90/Y90 source

IR-200.pdf
Adobe Acrobat Document 297.2 KB

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Gammasphere-Environmental Dosimeter for H*(10) Measurements

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DORIS H*(10) Dosimeter case

for RADOS or Harshaw TLD-Cards
DORIS = DOsimeteR for Indoor and outdoor Surveys

Concept

The solution worked out at the GSI Helmholtz Centre for Heavy Ion Research GmbH is based on standard Harshaw-type TLD detector cards placed inside a scattering body made of polyethylene.

Placed inside the dosimeter, two out of four crystals of the TLD card are shielded by a thin copper foil acting as a filter. The combination of the dose measurements of the two detector pairs leads to a response function which very closely resembles the H*(10) measure. The two Cu-filters make possible dosimetry in a very broad energy (10keV to 10MeV) and angular range.

These characteristics represent a significant improvement compared to commercially available solutions. Standard solutions follow the H*(10) function only in a much smaller energy range from about 100keV to 1MeV. As a result of its special design, the dosimeter can be used under almost all weather and environmental conditions.

DORIS for RADOS

DORIS for AI-Cards

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Extremity-Eye and Finger Dosimeters

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EYE-D dosimeter

TLD Eye lens dosimeter
There is evidence that eye lens doses are high in interventional radiology and cases of cataracts have been reported in recent years. Individual dosemeters carried on the trunk are unable to

correctly measure the eye lens doses. EYE-D allows for precise measurements of radiation doses to eye lens, also in case when protective glasses are used.

In EYE-D the proven and reliable high-sensitive thermoluminescence detectors MCP-N (LiF:Mg,Cu,P) are applied, which assure the good energy – response and broad dose range between at least 10 μSv and 10 Sv.

Calibration and testing of dosemeters were performed on cylindrical water phantom 20 cm diameter, 20 cm height with 0.5 cm PMMA walls.

The EYE-D dosemeter was developed, optimized and tested within the ORAMED (Optimization of RAdiation protection for MEDical staff) project funded by EU-EURATOM within the 7th Framework Programme http://oramed-fp7.eu/

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Albedo Neutron Dosimeter With TLD Cards

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Your provider for TLD and OSL systems

Albedo Neutron Dosimeter

Albedo Neutron Dosimeter with TLD Cards
Albedo neutron dosimeters measure indirect neutrons, scattered by the human body, creating a neutron flux of thermal and albedo neutrons at the surface of the body. They have been found to be the only dosimeters which can measure doses due to neutrons over the whole range of energies.

Further the boron-loaded plastic encapsulation allows the simultaneous measurement of beta dose, gamma dose and neutron dose.

Two types of Lithium Fluoride are used to separate doses contributed by gamma-rays and neutrons. MTS-6 (enriched in 6Li and very sensitive to thermal neutrons) and MTS-7 (containing very little of 6Li and has a negligible neutron response).

6LiF has one of the highest thermal neutron sensitivity of any phosphors. Most of the neutrons will be absorbed inside the MTS-6 pellet within a few 0.1 mm of penetration.

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