Model 5101 bi-stable, flag-type liquid level indicator installs in a 2-inch NPT boss at the points of indication. The unit is non-electrical and positive for use in applications where leaks can develop at pressures or clear and opaque liquids do not warrant the use of glass-type sight windows. The large indicating flag is readable at 100 ft, and this model can be used to pressures up to 900 psi/g. The indicator is available in brass and SST or all SST.
Thomas Products Ltd., 987 West St., Southington, CT 06489, FAX (860) 621-1470.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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