Force Measurement Traceability: Why Every Link in the Chain must Carry more Doubt than the One Above it "A chain is no stronger than its weakest link." Everyone knows the proverb. Force measurement traceability runs the proverb backward: every link in the chain must carry more doubt than the link above it, and a laboratory […]
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 […]
