Speed sensors are used for reliable speed detection of a conveyor belt scale. They provide a signal to an integrator to calculate belt speed, belt loading, rate and  weight. Siemens provides wheel-driven return belt and bidirectional, shaft-driven speed sensors that are cost effective and easy to install.

Honeywell offers many kinds of VRS industrial speed sensors, including general purpose, high resolution, explosion proof, molded, high output, power output, sealed front-end, sealed front-end high temperature, intrinsically safe, miniature, sub miniature, and high temperature VRS sensors.

Cherry’s geartooth speed and speed & direction sensors feature advanced electronics for demanding applications, including transmission speed sensing for on-road and off-road vehicles. They are available in a variety of styles and configurations to meet most design needs.

Motion Sensors offers hall effect, variable resistance (VR), RF (Eddy Current), amplified (Active), and magnetoresistive (MR) speed sensors. All speed sensor types are available in models that are ATEX certified for intrinsic safety.

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.

Mid-State Instruments is a distributor and manufacturer's rep offering the Electro-Sentry Hazard Monitoring that combines shaft speed, belt alignment, and bearing temperature into one, easy to use stand alone hazard monitoring system. Also offered is their hall effect sensor in a "one size fits all" configuration capable of operating across broad range of target sizes and offering flexible gap distance set up (up to 3mm).

Compact Instruments manufactures speed control sensors, including optical speed sensors, optical sensors, speed sensor with analogue outputs, laser optical speed sensors, optical speed/phase sensors, and portable 5Vdc sensor power packs.

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.

Process Automation offers belt speed sensors for high precision conveyor weighing systems and belt weigh feeders.

Access Control Sales is a supplier of speed switch sensors from BWI Eagle. Offerings include variable reluctance types with speed ranges from 2000-5000 RPM, and inductive proximity types with speed ranges from 1-2000 RPM.

Sensoronix is a manufacturer of hall effect zero speed sensors and variable reluctance (VR) speed sensors. Hall effect zero speed sensors come in digital, digital speed & direction, and digital to analog (D/A) converter configurations. Variable reluctance speed sensors come in analog (sine wave), analog to digital (A/D) converter, and analog complimentry (dual sine wave) configurations.

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.

Smith Systems is a manufacuturer of active speed sensors that can be powered with a wide range of supply voltages and are compatible with digital equipment. The three types of speed sensors offered by Smith are standard digital speed sensors, zero speed sensors, and proximity speed sensors.

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.

AMR Inc. offers six models of zero speed sensors that offer adjustable speeds of 60 RPM-400 RPM and cut-off delays of 0-10 seconds. Each sensor is enviromentally sealed against dust and moisture and offers solid state design.

Automatic Controls is a supplier of AI-Tek speed sensors, whose line includes general purpose passive speed sensors, hall effect speed sensors, bi-directional hall effect speed sensors, and optical speed sensors.