Proximity Switches: Types & Uses

Capacitive proximity switches are ideal when compact size and minimally invasive is required and can be either shielded or unshielded and are most often used to detect high, low and intermediate levels in tanks and bins. Shielded sensors can be embedded within a vessel wall so that the sensor face is flush with the inside wall of a vessel. Unshielded sensors detect from the face and from the circumference of the front part of the sensor and therefore cannot be embedded.

Proximity switches are most often used to detect fluids, powders or granulated materials. These can include PVC powder, dyes, flour, sugar, powdered milk and many other clean and free-flowing materials.

Capacitive proximity switches can be used for:

  • Liquid
  • Powder
  • Granular
  • And more

Types of Proximity Switches

At BlueLevel Technologies, we understand that having the right tools to do your job is imperative to peak performance. That’s why we supply the top choices when it comes to proximity switches for wide-ranging industries and applications.

  • Model CPH Proximity Switch – These level sensors are a great choice where compact size and being minimally invasive is required. Capacitive proximity switches are an ideal choice for small machine hoppers and bins. Used exclusively where the solid-state output of these sensors is an input to a PLC/DCS, and where no high current switching is required. They are of the M30 size, can be provided with either 2-wire AC or 4-wire DC (NPN or PNP) output and are applicable for use with clean liquids as well as dry and free-flowing bulk solids with moderate dielectric properties.
    • AC or DC switches
    • Shielded or unshielded designs for flush or invasive mounting
    • Solid-state design, no moving parts
    • Normally open or normally closed
    • Compact 30mm M30 size
    • LED indicates sensing condition
    • Prewired 2m long cable
    • Sensor mounting accessories available
    • Up to 30mm sensing distance
  • Model CPU Universal Proximity Switch – A very affordable, compact level switch with universal AC/DC technology for clean liquids, powders and granular materials. This option is low cost, low profile, high value.
    • 2-wire universal AC/DC switches
    • Shielded or unshielded designs for flush or invasive mounting
    • Solid-state design, no moving parts
    • Normally open or normally closed
    • Compact 30mm M30 size
    • LED indicates sensing condition
    • Prewired 2m long cable
    • Up to 20mm sensing distance
    • Sensor mounting accessories available

With more than 30 years of experience, we know how to help you maximize your workflows. Contact us today. Let us help you find the right tools to improve efficiencies in your day-to-day operations.