BM-TSM

Mercury-Free Tilt Switch

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The BM-TSM is a patented, mercury-free tilt switch used for high level detection of powders and bulk solids contained in bins, tanks, or silos. It features C/US Class II, Division I Groups E, F and G and ATEX Zone 21 hazardous location approvals. It mounts on top of the vessel and is outfitted with a custom-made shaft in lengths from one foot up to eight feet in length, dependent upon the distance from the top of the bin an alert should be activated. The BM-TSM is available with either a paddle or sphere mounted at the end of the shaft and can be used in materials with a bulk density of at least 15 pounds per cubic foot.

 

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Applications

  • High level detection of powders and bulk solids in bins, tanks, and silos.
  • Mounts on the top of the bin as an alternative to an extended rotary
  • Can be mounted over a conveyor belt
  • For materials with a bulk density of at least 15 lb./cu. ft.
  • In hazardous environments where there is the risk of explosive dust

Features

  • Mercury-free, easy to install and operate
  • Patented, non-powered pendulum design for fixed mounting
  • Activates an alarm when material rises and tilts the switching mechanism 15 degrees.
  • Shafts in custom lengths from 1 foot up to 8 feet
  • Available with either a paddle or sphere
  • Dual conduit entries for easy wiring
  • Installs through a 1-1/4” NPT process connection
  • Sends an alert status to a horn, light or control panel
  • C/US Class II, Division I Groups E, F and G and ATEX Zone 21 hazardous location approvals

Specifications

Switch: SPDT Mechanical Switch, maximum 250 VAC @ 15A

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

Enclosure: NEMA 4X, 5, &12; IP 66

Mounting: 1-1/4” NPT

Conduit Entry: 3/4” NPT

Enclosure: Die Cast Aluminum, USDA approved powder coat finish

Available Rod Lengths: ¼” Pipe (SS or Galv.): 1 foot (30.48cm) to 8 feet (243.84cm) 3/8” SS Round: 1 foot (30.48cm) to 8 feet (243.84cm)

Approvals: C/US Class II, Division I Groups E, F and G and ATEX Zone 21 for hazardous locations

Literature

Tilt Switch Brochure

Tilt Switch Product Listing

BM-TSM Tilt Switch Manual

BM-TSM Tilt Switch Spec Drawing

Tilt Switch Sphere – Spec Drawing