Related Experiment Video
Updated: Jul 26, 2026
09:55
Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
Published on: December 12, 2013
Manufacturer's approach in transferring accuracy to multiple field installations
Archives of Pathology & Laboratory Medicine
|April 1, 1993
Summary
Instrument system manufacturers ensure accuracy and precision through rigorous design, manufacturing, and post-sale support. This process is vital for clinical laboratories using in vitro diagnostic devices.
Area of Science:
- Medical Device Manufacturing
- Clinical Laboratory Science
- In Vitro Diagnostics
Background:
- In vitro diagnostic (IVD) instrument systems are subject to stringent Food and Drug Administration (FDA) regulation.
- Clinical laboratories rely on these systems and adhere to strict quality control and proficiency testing.
Purpose of the Study:
- To outline the procedures manufacturers use to ensure accuracy and precision in IVD instrument systems.
- To demonstrate how manufacturers achieve reliable performance from design to post-sale support.
Main Methods:
- Manufacturers implement procedures starting from design goals and specifications.
- Quality assurance testing during manufacturing is crucial.
- Post-sale support services are integral to maintaining system performance.
Main Results:
- The described procedures ensure acceptable accuracy and precision for installed IVD systems.
- Specific instrumentation examples illustrate the successful implementation of these quality objectives.
Conclusions:
- A comprehensive approach encompassing design, manufacturing, and ongoing support is essential for IVD instrument reliability.
- Adherence to regulatory standards and quality control guarantees dependable diagnostic tools for clinical laboratories.
More Related Videos
Related Concept Videos
01:52Accuracy and Precision
Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value. Highly accurate measurements...
01:52Accuracy and Precision
Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value. Highly accurate measurements...
01:12Taping Over Different Ground Profiles
Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...
01:15Distance Corrections
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
01:17Common Leveling Mistakes and Errors
A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...
01:12Adjusting a Traverse
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...