Level Sensors and Transmitters

Safely maximize storage tank capacity for improved productivity. Level data can be used for inventory management, to generate high- and low-level alarms in tanks containing oil, water, waste, condensate or chemicals, and to measure both level and interface data in separator applications even in remote and hazardous locations.

Take the challenge out of tank level management. Overspill level protection for tanks can prevent plant damage and reduces the risk of corrosion, hazardous spillage and environmental contamination. By ensuring tank levels never drop below optimum levels, pump overheating and resulting downtime can be avoided. Interface level detection delivers detailed constituent data such as crude, emulsion and gas ratios, for individual tanks. Contact Us for detailed advice regarding the solution that best suits your needs.

Our level solutions brand partners include Emerson and Mobrey and Ronan.


Caged Displacers

Caged sensors provide more stable operation than do cageless sensors for vessels with internal obstructions or considerable internal turbulence.

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Cageless Displacers

Cageless sensors are generally used on applications requiring large displacers that are accommodated by large flange connections. Different displacer stem lengths permit lowering the displacer to the desired depth.

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Level Transmitters

Both digital electronic and pneumatic displacement level controllers are used for accurate level measurement or precision level loop control. Fisher® displacement level technology is applied in level, level interface and density applications. Displacement level technology is proven to be reliable and accurate for a wide variety of process mediums and conditions.

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Liquid Level Controller - Electric

The electric on-off level controller is used to sense liquid level and when used in conjuction with the Fisher® easy-Drive electric actuator form a fully electric level control loop which eliminates pneumatic controller and dump valve venting.

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Rosemount Level

With so many technologies, products and parameters to consider, selecting the best technology for level measurement can be challenging. Choose from the comprehensive Rosemount portfolio of level devices for the best solution for your level application. 


Rosemount 5300 GWR Level Transmitters

The Rosemount 5300 Series is our superior 2-wire Guided Wave Radar (GWR) for challenging level and interface measurements on liquids, slurries and solids. It leverages our 30 years of proven radar expertise and is designed to focus on your plant’s profitability. The 5300 delivers everything you would expect from a best-in-class process radar

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The Rosemount 3308 WirelessHART level and interface transmitter

  • Enables easy automation of level monitoring in locations previously inaccessible or too costly
  • Allows quick and easy top down installation without wiring, trenching or loop checks
  • Reduces field trips through reliability, accuracy and minimal maintenance
  • Optimizes tank usage and helps avoid spills by combining proven, world leading Rosemount GWR and Emerson SmartWireless technologies

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Rosemount 3300 Guided Wave Radar Level transmitter

The Rosemount 3300 provides reliable and cost effective level measurements in most liquid storage and monitoring applications. Guided Wave Radar technology combined with advanced signal processing and sensitivity enables the Rosemount 3300 Series to deliver both level and interface measurement data from the same transmitter. Two-wire connections ensure easy and inexpensive installation. 

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Rosemount 5400 Radar Level Transmitter

The Rosemount 5400 Radar Level Transmitter delivers higher reliability, improved safety and requires less maintenance and configuration. It is ideal for corrosive liquids, sticky media, tanks with internal obstructions, safety applications and solids.

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Rosemount 5600 Non-contact Radar Level Sensor

The Rosemount 5600 Series is an intelligent level transmitter that allows for advanced processing and is capable of high temperature/high pressure and solids measurements.

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Rosemount 5900S Radar Level Gauge

Get highest performance and innovative design with Rosemount 5900S. Measure with ±0.5 mm custody transfer accuracy, 2-in-1 redundancy, and achieve up to SIL 3 safety.

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Rosemount 5900C Radar Level Gauge

This reliable gauge with ±3 mm accuracy is certified SIL 2 capable. It has non-contact design reducing maintenance costs in a wide range of applications.

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Rosemount 3051S Electronic Remote Sensor (ERS™) System

Improve reliability by eliminating impulse piping or excessive capillary, especially in distillation towers or columns, with the Rosemount 3051S ERS system.

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Rosemount 3051S Level Transmitter

The Rosemount 3051 S Level transmitter will maximize your success with superior performance and reliability. 

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Rosemount 3051 Level Transmitter

The Rosemount 3051 Level Transducer delivers field-proven reliability to meet your application needs and improve your bottom line. 

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Rosemount 2051 Level Transmitter

The Rosemount 2051 Level transducer provides a reliable level measurement with a variety of connections, materials, and output protocols. 

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Rosemount 1199 Diaphragm Seal System

The Rosemount 1199 Seal System provides reliable remote measurement of process pressure and protects the transmitter diaphragm.

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Rosemount 3100 Series Level and Flow Transmitters (3107 3108)

The Rosemount 3100 Series Ultrasonic Transmitter for reliable and cost-effective, non-contacting measurement. 

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Rosemount 3100 Series Level Transmitters (3101 3102 3105)

The Rosemount 3100 Series Ultrasonic Level Transmitter is the reliable and cost-effective, non-contacting measurement solution from Emerson. Time proven ultrasonic technology with advanced software and state-of-the-art electronics delivers high reliability in a wide variety of applications.

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Rosemount 2160 Wireless Level Switch

The Rosemount 2160 Wireless Level Switch offers all the features of wired level switches without the complication and cost of wiring. 

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Rosemount 2130 High Temperature Level Switch SIL2

The Rosemount 2130 Enhanced Vibrating Fork Liquid Level Switch features continuous instrument health/self-checking of the fork and sensor.

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Rosemount 2120 Vibrating Fork Liquid Level Switch

The Rosemount 2120 Vibrating Fork Liquid Level Switch is suitable for virtually all liquid applications.

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Rosemount 2110 Compact Liquid Level Switch

The Rosemount 2110 Compact Liquid Level Switch uses vibrating short fork technology and is suitable for most fluid applications.

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