September 2026 – Cal Lab Magazine

Practical Use of Dry Block Calibrators

September 3, 2026 Office

by David Southworth A dry block can give a temperature reading that looks more certain than it is. The difference between a casual measurement and a defensible one lies in understanding the measurement zone, the […]

On the Probabilistic Interpretation of Type A Uncertainty: A Proposal for Normalization of Student’s t Distributions

September 3, 2026 Office

by Manuel Rodriguez Higuero The Guide to the Expression of Uncertainty in Measurement (GUM) [1] and its Supplement 1 based on Monte Carlo propagation (GUM-S1) [2] currently coexist as two conceptual frameworks that are partially […]

The Goal Posts, the Wind, and theCoin Flip: A Practical Guide to Measurement Decision Risk

September 3, 2026 Office

by Henry Zumbrun Every time a calibration laboratory issues a pass or fail statement, it is making a bet. The question is whether it knows the odds. Most do not, and neither do the customers […]

Hard Work Pays in the End

September 3, 2026 Michael Schwartz

I remember calibrating my first PXI instrument and wondering what I’d done to make the calibration gods so mad at me. At the time, I didn’t realize it was a blessing in disguise. PXI and […]