Model: MR

The mini-rotary alerts users to material levels in smaller bins and hoppers that contain plastics, food, seed, chemicals, and other powder and bulk solid materials. Its small size and rugged design allows for use of a level sensor where other types of equipment simply will not fit. Its principle of operation is simple: a slow speed motor rotates the paddle when no material is present. When material comes into contact with the paddle, the paddle stops and an alert—such as a light or horn–notifies the operator the bin is full. When the bin is emptied, the paddle begins rotating again. The mini-rotary is simple to install on the side or top of a bin and is appropriate for a variety of light to heavy materials. Paddle options are available, making it adjustable for a wide range of material densities.

  • Reliable point level detection for bulk solids including powders, pellets, and granular materials
  • Used in small bins, silos, chutes, and hoppers
  • Material density from 2 lb./cu. ft. to over 30 lb./cu. ft.
  • Feed, seed, grain, food, plastics, chemicals, and many other materials
  • Compact design ideal for small bins, hoppers and feeders
  • Simple to install
  • No calibration required
  • De-energizing motor extends motor life
  • Motor slip-clutch prevents gear damage
  • Adjustable sensitivity
  • 3/4” PF (pipe fitting)
  • Optional 4-vane or bayonet type polycarbonate sensing paddles

Input Voltage: 115/230 VAC, 50/60 Hz, 24 VAC

Power Consumption: 1.5 Watts

Switch: SPDT

Contact Rating: 5A @ 250 VAC

Rotary Speed: 1 RPM

Operating Temp: -40°F to +185°F (-40°C to +85°C)

Wiring Cable: 18 AWG, 12 inch cable

Mounting: 3/4” PF (pipe fitting)

Clutch: Magnetic slip clutch prevents damage to motor gears

Enclosure: Polycarbonate, NEMA 1

Weight: 0.77 lb.