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Process Control & Measurement > Level Sensors & Controllers
Level Sensors and Controllers
Level sensors monitor the level of liquids, pellets, and powders in tanks and process systems. Sensors include contact, non-contact and submersible sensors, as well as float and paddle switches. Level controllers add the ability to control alarms, pumps, valves, and other industrial equipment.
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Level Sensors & Controllers
Level, one of the most common process measurement in industry, is typically used to determine volume and track the amount of product available in a vessel or container. Level sensors can monitor the level of a variety of materials including liquids, pellets, powders, and more that are used in process systems. Integrated level controllers monitor inputs from level sensors and operate alarms, pumps, valves, and other industrial equipment when a corrective action is needed. A variety of level sensing technologies is available, including contact and non-contact methods.
For part listing and specifications, go to Shop Now
Ultrasonic Level Sensors
Ultrasonic level transmitters provide non-contact, continuous measurement and control, while switches offer reliable point-level detection in both contact and non-contact versions. Unaffected by dirty, sticky, or scaling media, models include options for hazardous or high-condensation environments.
Radar Level Sensors
Newest Additions!
- Endress+Hauser FMR series FMCW radar level sensors
Radar level sensors offer reliable level measurement with high accuracy, low maintenance, and no moving parts. These sensors utilize guided wave, pulsed, or FMCW radar sensing technologies to provide versatile solutions for a wide range of industrial and commercial level measurement applications.
Submersible Level Sensors
Newest Additions!
- ProSense SBLT series small bore submersible level sensors
Submersible level sensors provide continuous liquid level measurement by sensing the hydrostatic pressure produced by the height of liquid above the sensor, and providing a 4-20 mA output signal compatible with PLCs, panel meters, data loggers, and other electronic equipment.
Differential Pressure Level Transmitters
Differential pressure level transmitters offer accurate low-differential pressure measurement of hydrostatic liquid level in industrial pressurized or open tanks. Available models sense up to 400 inches water column and are easily scaled to a different pressure range and units of measure.
Vibration Fork Level Switches
Vibration fork level switches use tuning fork technology to provide reliable liquid point level detection. They are ideal for monitoring, alarming, and control applications, even where conductivity, turbulence, air bubbles, foam, pressure, temperature, or viscosity changes may be a factor.
Vibration Rod Level Switches
Vibration rod point level switches operate at their resonant frequency to detect fine or coarse bulk solids when they cover the rod and dampen its vibration. These cost-effective sensors are insensitive to build-up and provide maintenance-free operation and easy setup with no calibration required.
Float Level Switches
Float switches provide a low-cost solution for liquid level monitoring. Shock and vibration resistant, the float operates a reed switch via magnets as the liquid level moves the float. Various models offer compatibility with many liquids, temperature ranges, and system pressures.
Rotating Paddle Level Switches
Rotating paddle level switches provide point level measurement of solid materials using a motor-driven rotating paddle. The switches are actuated when the monitored material covers the blade, impeding its rotation. AC and DC powered versions are available, as well as hazardous location models.
Capacitance Level Sensors
Capacitance level switches provide point-level detection of powders, fine-grained bulk solids, or water-based conductive liquids. Select models have hazardous location ratings, or are FDA-compliant for food and beverage industry applications when installed with appropriate hygienic fittings.
Level Controllers
Level controllers provide fail-safe level control with general-purpose point models with discrete I/O for alarm, pump, & valve control; analog I/O models that offer accurate real-time level monitoring/control; conductive models that control conductive liquid levels for pump-up/-down applications.
Level Sensors & Controllers Accessories
Level sensor and controller accessories include a general-purpose digital indicator, free downloadable configuration software, USB adapter fobs, flooding protection tubes, probes, junction boxes, covers, and other parts and fittings needed for installation and integration.
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