Marsh Electronics offers solid state hall effect geartooth speed sensors with either stainless steel or aluminum housings, and flange mount gear sensors rated at 150C. Also available are hall effect geartooth speed & direction sensors with adjustable aluminium or flange-mount plastic housings.

AI-Tek Instruments manufactures speed, side look, hall and bi-directional sensors that offer zero speed, digital signal, standard or custom designs, and are UL/CSA listed for hazardous environments.

Huegli Tech offers magnetic speed sensors in more than two dozen configurations of thread size, length and connector style. All are designed to operate within temperature ranges of -55°C to 105°C. Metric threads are available on request.

Spectec designs, engineers and manufactures speed control sensors. Offerings include magnetic speed sensors (VRS and inductive), zero speed hall effect gear tooth and magnetic sensors, RF pickup/proximity sensors, turbine engine speed sensors, digital magnetic speed sensors, RF flow meter sensors, and more.