Mixers are used in the mining and minerals processing, and other processing industries. Generally mixers are used to combine large quantities of different substances in precise ratios to create products for market.
Electro-Sensors' Speed Switches are used on Mixers to monitor critical speed and guard against slowdown or stoppage that can result in costly process downtime, machine damage, and material waste. Speed Switch Tutorial.
A Signal Conditioner is commonly used in this type of application to provide a 4-20 mA output.