Our extremity monitoring sachets and headbands are designed for precision, comfort, and compliance. Each product is engineered to deliver reliable radiation dose measurements across medical, nuclear, and research environments.
Extremity dosimetry, Hp(0.07), is essential for accurate monitoring of radiation dose to the skin, particularly at the tips of the fingers when handling radiopharmaceuticals in cardiology, oncology, and glove box work. Studies show that monitoring at the base of the finger significantly underestimates exposure, making precise fingertip dosimetry critical for worker safety.
Our Finger Stalls and Ankle/Wrist Dosimeters are designed for use with Harshaw TLD EXTRAD Chipstrates (XD-107H or XD-707H), providing reliable sensitivity, durable construction, and compliance with IEC-62387 and ISO-12794 standards. Their lightweight, comfortable design and multiple customisation options ensure dependable protection across medical, research, and nuclear environments.
• Detects X-rays, beta, and gamma radiation (Hp(0.07)).
• Dose range: 0.15 mSv to 10 Sv.
• Energy threshold: Sensitive to beta radiation from 224 keV (Emax).
• Stable in demanding environments (tested at 40°C and 90% humidity for 48 hours).
• Two filtration options: 10 mg/cm² PVC (beta & photon monitoring) and 3.2 mg/cm² aluminized polyester (photon & low-energy beta).
• Comfortable, lightweight, and non-obtrusive design, available in two finger sizes for a secure fit.
• Additional versions available for ankle and wrist monitoring.
• Custom coding options to track different wear periods (1-3 months or 2-13 weeks).
• Supplied in customised quantities to meet operational needs.
The Lens of the Eye Dosimetry Hp(3) Headband is a reliable and compliant solution for monitoring radiation dose to the eye, designed in line with the latest ICRP 103 recommendations on reduced dose thresholds.
Incorporating a 300 mg/cm² PTFE filter, the headband ensures accurate Hp(3) measurements while minimising angular dependence compared to side-of-head mounting alternatives.
• The headband offers versions with 1 or 3 TLD detectors to suit different monitoring requirements.
• The velcro back strap allows easy size adjustment, making it both comfortable and non-obtrusive, even during extended wear.
• Compatible with automated readout systems, supporting high-volume monitoring with Harshaw TLD Models 6600 or 8800.
• Sterilisable using cold or gas sterilisation methods, ensuring hygienic reuse in medical and research settings.
• Designed to preserve peripheral vision, providing a safer, more practical alternative to other eye dosimetry devices.
With the updated recommendations of ICRP-103 lowering the dose limit to the lens of the eye, eye dosimetry has become a critical focus in radiation protection. The Hp(3) head phantom is specifically designed to support accurate calibration and testing of eye dosimeters, drawing on the findings of the ORAMED (Optimization of RAdiation protection for MEDical staff) project.
Constructed from a 20 x 20 cm PMMA cylinder, the phantom is water-fillable (not included) to accurately simulate the human head, enabling reliable and repeatable testing conditions. Its rugged, easy-to-use, and easy-to-store design makes it an essential tool for organisations involved in radiation monitoring and dosimetry development.
• Accurate simulation of the human head for eye dosimetry calibration and testing.
• Compatible with Harshaw TLD Chipstrate™ headbands using 1, 2, or 3 elements.
• Durable construction for long-term use.
• Practical and user-friendly design for laboratories and institutions.
• Supplied in customised quantities to suit operational needs.
Rotunda Scientific Technologies are our long-term global distributor, providing value-added support to our customers worldwide. For all product enquiries, please contact Rotunda directly at: info@rotundascitech.com
Every project begins with understanding customer requirements. Whether it’s finger stall, ankle band, or headband, we design solutions that meet strict radiation monitoring standards while allowing for customisation - including Velcro fastenings, colour coding, and filtration options to suit different applications.
High-quality, medical-grade plastics and specialist filters are sourced to ensure compliance with IEC and ISO standards. Thermoluminescent dosimeter (TLD) chipstrates are prepared separately and integrated as needed. This stage ensures every component is ready for safe, durable, and precise use in radiation monitoring.
Using high-frequency welding technology, plastics are bonded into robust sachets and headbands. This process guarantees strength, flexibility, and reliability, while maintaining comfort for the wearer. At this stage, adjustable straps, dosimeter slots, and filter layers are incorporated according to the design.
Each product undergoes rigorous inspection and compliance checks against international standards (IEC-62387, ISO-12794, and medical device regulations). This ensures that every sachet or headband is safe, accurate, and ready for use in demanding medical and research environments.
Finished products are coded (where required), carefully packaged, and prepared for global shipping. Whether supplied in small sample batches or customised large orders, we ensure safe handling and reliable delivery to hospitals, laboratories, and research institutions worldwide.
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