Level Sensors and Controllers

Flowline Level Sensors (Contact)

Ultrasonic Level Switches:

are intrinsically safe and provide reliable liquid level detection of chemical, solvent, hydrocarbon and petroleum based liquids.

Vibration Point Level Switch:

provides reliable liquid level detection of dirty liquids such as those with light to medium coating, scaling or foaming characteristics.

Capacitance Level Switch:

provides reliable high or low liquid level detection of water based conductive liquids with light coating, crystalizing or scaling characteristics with a 1A relay output.

Buoyancy Level Switch:

provides reliable liquid level detection of relatively clean water and chemical solutions.

Guided Wave Radar
Level Sensors ... New!

ProSense GWR Series liquid level sensors are a low-cost solution to measure levels of water- or oil-based media, and soiled, viscous liquids or liquids that are prone to formation of deposits. These units can provide both continuous as well as point level measurements, via switch and analog outputs. The rugged 316 stainless steel housing is IP68/IP69K rated.

• Switch and analog outputs for both continuous and point level measurement
• Probe and coaxial tubes available from 240mm to 1600mm lengths and can be cut to adapt to specific level application
• Easy setup using pushbuttons and display on unit

Vibration Fork Level Switches ... New!

ProSense VFL Series liquid level switches are offered in two process connection sizes with short and extended insertion lengths, standard and high temperature constructions, and a 3-wire DC switch output for connection to controller inputs or a 2-wire AC/DC switch for control of valves and pumps.

• 1/2" or 3/4" male NPT process connection
• Short (1.89") or Extended (3.44") insertion lengths
• Standard or high process temperature ranges: -40 to 212°F or -40 to 302°F
• Ideal for applications not suitable for other liquid point level technologies due to conductivity, turbulence, buildup, air bubbles, foam, pressure, temperature, and viscosity changes

Proximity Level Sensors

Capacitive: AutomationDirect offers a variety of capacitive level sensors. NPN and PNP logic outputs and normally open or normally closed output models are available. All capacitive proximity sensors have LED status indicators to verify operation at the switch; and all capacitive proximity sensors are IP65 or IP67 rated.

Ultrasonic: SU, UK, UT and TU series round body reflective ultrasonic distance sensors emit a sound impulse and measure the elapsed time of the returned echo signal reflected off of a detected object.

Capacitive and ultrasonic proximity sensors.

• 12mm Round Capacitive Proximity Sensors (CM1 Series)
• 18mm Round Capacitive Proximity Sensors (CK1 Series)
• 30mm Round Capacitive Proximity Sensors (CT1 / CTV Series)
• Rectangular Capacitive Proximity Sensors (CR1 Series)
• Ultrasonic 18mm Proximity Sensors (UK / SU Series)
• Ultrasonic 30mm Proximity Sensors (UT / TU Series)