What is Accuracy? Can We Trust the Manufacturer's Specifications? What is Accuracy? Accuracy is influenced by both precision and bias in the measurement process. To understand accuracy, one must understand bias, systematic measurement error, random measurement error, measurement error, and precision. Manufacturers' accuracy specifications may be misleading as they may not tell you how the […]
Calculating Calibration and Measurement Capability (CMC) Using the ASTM Lower Limit Factor (LLF) In accordance with the ASTM E74 standard, Morehouse reports the ASTM Lower Limit Factor (LLF), which is reported on page one of the calibration certificate and is not uncertainty. ASTM E74-06 used to call LLF the uncertainty. The ASTM E74-06 standard was […]
Why Force Measurements Matter - Force Transducer Testing and NASCAR Why Force Measurements Matter - Photo Courtesy of Associated Press Austin Dillon went cascading into the catch fence at Daytona Speedway on the early morning of July 6th, 2015. Was he thinking of all the testing his NASCAR Sprint Cup car goes through? Absolutely not! […]
Morehouse is proud to present Single Measurement Bliss! by Dilip Shah When you make the first measurement, everything looks fine. It is when you make a second, repeated measurement and it is different from the first measurement that doubt begins to arise. Which one is the correct measurement? Then, you take a third measurement, and […]
