The Model CR is designed to provide an indication of material level within a hopper or bin without ever opening up the vessel.

Technical Specifications:
• The housing is cast aluminum, with optional epoxy or polyester powder coatings available. These coatings will provide protection against corrosion that is equal or greater than cast iron.
• The unit is designed with a field adjustable time delay.
• The unit is mounted on the vessel using the mounting plate or by use of a 1-1/4" NPT half coupling.
• General purpose (weatherproof) units and explosion-proof units have (1) 3/4" NPT conduit opening.
• The units have a dry, unpowered microswitch rated for 20A @ 120 VAC, 240 VAC, or 480VAC.
• The operating temperature range is -40ºF (-40ºC) to 150ºF (65ºC).
• The general-purpose units are rated NEMA 4/4X weatherproof and corrosion-resistant, and explosionproof units are rated NEMA 7/9 for dust ignitionproof and vapor explosion proof.
• The general-purpose controls are IP65 compliant.
• Most models are UL listed and CSA certified