How a 4-20mA Process Control Current Loop Rotational Sensor Works

How a 4-20mA Process Control Current Loop Rotational Sensor Works Extract from EEVblog 1644 Mailbag Thanks for Sinusoid. https://store.sinusoid.com/encoders/encoders-rotary/rotary-encoder-rpe4-8-absolute-analog-4-20ma-output-8mm-shaft.html?utm_source=referral&utm_medium=website&utm_campaign=eevblog_aug24&utm_id=eevblog30824 If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog Web Site: http://www.eevblog.com Main Channel: http://www.youtube.com/EEVblog EEVdiscover: https://www.youtube.com/eevdiscover AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission at no cost to you. T-Shirts: http://teespring.com/stores/eevblog #ElectronicsCreators #processcontrol