Track Mounted Wheel sensors from Smith Systems can detect passage of rail wheels up to 250MPH, is insensitive to nearby metal structures on the moving rail car and can Operate on trackside supply voltages. (read more)

High output, High Sensitivity Passive speed sensors convert mechanical motion to A/C voltage without an external power source. These self-contained magnetic sensors produce a magnetic field which, when in the proximity of ferrous objects in motion, generate a voltage. When a magnetic sensor is mounted in the proximity of a ferrous metal target.. (read more)

New Hall Effect Speed Sensors (SNDJ Speed Sensors) introduced from Honeywell Sensing & Control that provide you with economic solutions to Speed and Direction Sensing. The SNDJ offers: Standardized Speed and Direction sensing capability, Suitable for use in harsh environments, Flexible mounting capability, and Thread housing for easy set-up and installation. (read more)

Permitting accurate, repeatable positioning and sensing of gear or magnetic targets down to zero speed. The zero speed sensor output is utilized for counting, computing, and input to many control processes, such as vehicle speed sensors, wheel speed sensors, in ABS brake systems and as camshaft sensors. Additional applications are flow metering and in vehicle transmissions. (read more)

Ideal for vehicle and wheel speed sensing and tachometers, SPECTEC'S active magnetic sensor, or digital Variable Reluctance (VR) sensor, is a magnetic sensor coupled with an analog to digital signal conditioner in one compact unit......MADE IN THE USA (read more)

Smith Systems, Inc. passive speed sensors (Magna-Tran ®)convert mechanical motion to an A/C voltage without the need of a power supply. These self-contained magnetic sensors produce a magnetic field which, when in the proximity of ferrous objects in motion, generate a voltage. The frequency of this voltage is directly proportional to the speed of the object in motion. (read more)

Smith Systems Digi-Tran ® Digital Speed Sensors utilize integral active signal conditioning electronics to provide constant amplitude output regardless of exciter speed. These speed sensors can be powered with a wide range of supply voltages and are compatible with digital equipment. (read more)

Smith Digi-Tran ® Digital Speed Sensors utilize integral active signal conditioning electronics to provide constant amplitude output regardless of exciter speed. These speed sensors can be powered with a wide range of supply voltages and are compatible with digital equipment. (read more)

Smith Systems Digi-Tran ® Digital Speed Sensors utilize integral active signal conditioning electronics to provide constant amplitude output regardless of exciter speed. These speed sensors can be powered with a wide range of supply voltages and are compatible with digital equipment. (read more)

(MHS Series) with modular construction that allows a choice of probe lengths, connector types and multiple connector orientations. Precise switch point measurement in a package that supports a variety of sensing elements and application needs, including direction sensing and diagnostics capability. (read more)