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Posts Tagged ‘Josh Hernandez’

Accurately Monitoring Gas and Smoke in Difficult Locations

Posted in Analyzers on Wednesday, June 5th, 2019. No comments yet
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Gas and smoke aspirator systems monitor for smoke or gas ingress where installing detectors are not feasible. These aspirator systems work by having the sample being measured by a probe pulled in to the aspirator system under an adjustable vacuum created by an air-driven educator and then measured by the gas detector. In this short […]

Energy Harvesting for Wireless Device Power

Posted in Emerson Exchange, Wireless on Wednesday, October 26th, 2016. No comments yet
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At the Emerson Exchange conference in Austin, Emerson’s Josh Hernandez and Perpetua’s Andy Zaremba presented, Energy Harvesting Application- Anything is Possible. Their abstract: Wireless instrumentation allows companies to add points of measurement quickly and inexpensively, but battery-powered wireless transmitters present problems. Fast data rates deplete battery life and cold weather cuts battery life, and replacing […]

Level Measurement for High Process-Low Ambient Temperature Applications

Posted in Level on Wednesday, January 21st, 2015. 2 comments so far
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In an earlier post, Avoiding Cold Climate Measurement Challenges, we mentioned a thermal range expander for differential pressure (DP) level measurement, which can be applied in application with higher process temperatures and lower ambient temperatures. Emerson’s Josh Hernandez shared with me a recent video posted to YouTube, Rosemount 3051S Thermal Range Expander (4:09 runtime). The […]