Custom High Temperature Load Cells for Downhole Applications Above 400 °F (204 °C) Donut-style (through-hole) load cells and compression fixtures on the bench at Morehouse. Put a cast-iron skillet with a plastic handle into a 450 °F (232 °C) oven. The pan will be fine. The handle will not. A strain gauge load cell fails […]
Force Calibration Safety: The Day Three Threads Let Go A technician set up a tension calibration in a 200 000 lbf (890 kN) machine, threaded the connection together, and started applying force. Only three complete threads were engaged. The internal threads stripped, the connection separated, and everything above the failure point released at once. Three […]
Two Degrees Off: What Mount Erebus Teaches Us About Measurement Bias I recently read 10x Is Easier Than 2x by Dan Sullivan and Dr. Benjamin Hardy, and one story in it made me think about calibration, specifically a paper I wrote three years ago on bias. Before we get to that, here’s more about what […]
