To complement the 2-wire and 3-wire sensor transmitter blogs that Kevin Duke and I have already published on Precision Hub, my next few blog topics will be on 4-wire sensor transmitters. The blogs ...

Those traffic loop sensors embedded at stop lights to detect the presence of a car have always provided fodder for vehicular snake oil vendors: I’ve seen products promising to eliminate red lights ...

Pennsauken, N.J. — Macro Sensors has introduced a DC-operated position sensor that is spring-loaded and offers a two-wire, loop powered 4-20 mA operation commonly used with current-operated process ...

Editors' note, May 7, 2015: The co-founder of Notion, Brett Jurgens, responded to some of the setup questions I had. I've updated the piece accordingly. Between detecting leaks, watching the front ...

Micro-Epsilon has expanded its range of non-contact infrared temperature sensors to include a new programmable, two-wire loop powered version. The new thermoMETER CSmicro 2W sensor is a 4-20mA ...

Getting stuck at a red light that won't change sucks. It's even worse when you're on a bicycle because you'll never see green until a car rolls up and trips the sensor. That's never seemed fair to Ed ...