Landauer recalls NanoDots Model 04297-000 radiation dosimeters that may be outside +/-5.5% accuracy due to OSL material issues. Affected units sold with microSTAR readers.
LANDAUER received reports indicating that some nanoDots may potentially be outside of the specified range of +/-5.5% accuracy. Investigation of nanoDots indicated the presence of a potential non-conformance in the Optical Stimulated Luminescence (OSL) material that is beamed after exposure and emits fluorescence proportional to radiation exposure.
Landauer is recalling NanoDots Model 04297-000 radiation dosimeters that may be inaccurate by more than 5.5% due to a potential issue with the OSL material. This could lead to incorrect radiation exposure readings, which might affect safety decisions in radiation monitoring.
The dosimeters may not read radiation exposure levels within the specified +/-5.5% accuracy range. This happens because of a potential non-conformance in the Optical Stimulated Luminescence (OSL) material that's used to measure radiation. Inaccurate readings could lead to incorrect safety decisions.
Users of Landauer NanoDots dosimeters with microSTAR radiation readers who purchased the model number 04297-000. Those using the dosimeters for radiation monitoring work are most at risk of inaccurate readings.
Check for the model number 04297-000 on the dosimeter. The product is sold with microSTAR radiation readers and has a unique identifier starting with 0860003399903.
Look for the model number 04297-000 on the dosimeter.
Landauer received reports that some NanoDots may be outside the specified +/-5.5% accuracy range due to a potential non-conformance in the OSL material.
Inaccurate readings could lead to incorrect safety decisions, but the recall does not indicate immediate risk of injury or death.
Check for the model number 04297-000 on the dosimeter, which is sold with microSTAR readers and has a unique identifier starting with 0860003399903.
We’ve drafted a message you can send Landauer to request your refund or repair — edit it as you like.
Subject: Recall Z-2574-2023 — Landauer Landauer Hello, I own a Landauer that is covered by recall Z-2574-2023 from Landauer. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.