ELECTRONICS: OMEGA ENGINEERING’s HHP350 series is a high- performance, handheld digital manometer with many features found in more expensive units. The HHP351 has an accuracy of 0.05 percent FS, independent of temperature, while the HHP352 is 0.025 percent. Both models can display 11 different pressure scales, as well as one user-defined scale. MIN/MAX capture, display damping, backlit display, display hold, auto off and leak test functions are all standard features. In addition, a record feature allows manual or automatic storage of up to 240 readings for future recall. Both models include NIST traceable calibration certificates. The HHP351 is ideal for HVAC and automotive industries. Price starts at $775.
The choice between helical and spur gears in gearboxes may seem straightforward. But with planetary gearboxes, however, the choice between helical and spur gears requires some additional thought. Here’s what you need to know to make the right choice.
Cas Smith is a biological engineer at Terrapin Bright Green, a consulting firm that specializes in green and sustainable design. At the core of his work is to explore how biomimicry can inform sustainable design. He discussed biomimicry and its implications for design and solving some of the world’s sustainability issues in an interview with Design News.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.