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Liquid Tank Gauging &
Loss Control Experts

Volume (Mass & Level) Measurement, Quality Measurement (Density, Water, & Temperature Stratification) (Brix),
Overfill Protection and Rupture Protection (Over Pressure and Vacuum), Unauthorized Movement (Leak Detection, Theft, Improper Line-Up),
Vapor Emissions Monitoring, PRV Monitoring, Gas Blanketing Monitoring

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Gauging Systems Inc. GSI Whats Your Application

Gauging Systems Inc. is a full-service solution provider for tank gauging and overfill protection applications.

Gauging Systems Inc. (GSI) provides everything from Target Boards and Mechanical Gauges to the most advanced Tank Gauge on the market, commonly known as the MTG “Multi-function Tank Gauge.” GSI products are designed for the Petrochemical Industry or other industries where equipment cost can be justified by the value of the product or application.


•  Refining & Petrochemical
•  Marketing terminals
•  Bulk liquid terminals
•  Independent liquid terminals
•  Pipeline terminals
•  Transportation (Marine, Railroad, etc.)
•  Government (Military, Fueling systems, Flood Monitoring, etc.)
•  Beverage (Wine & Spirits)
•  Pharmaceutical
•  Mining
•  Power
•  Waste water
•  Others

Our technologies can provide the following data:

•  Volume (by Hydrostatic and Hybrid Method)
•  Mass
•  Level
•  Temperature: Spot temperature, Multi-point Spot temperature, Multi-point average temperature, Product temperature, Vapor temperature, Ambient temperature, and Tank Temperature stratification
•  Density: Strata density, Multi-Strata density, Average density, Vapor density, Ambient density, Brix, and Tank Density stratification
•  Total Water: Free water, Emulsified water, Entrained water, and Tank Water stratification
•  Pressure: Single pressure, Multi-point pressure, Vapor pressure, Ambient pressure
•  Flow Rate by: Volume, Mass
•  Additional sensors have been patented and patient pending by Gauging Systems Inc. for the measurement or calculation of the included parameters or additional parameters.

Please tell us your liquid storage or application monitoring needs and issues. A solution might already be available.

Applications Include:

•  Loss Control: Product Inventory (Volume to custody transfer accuracy), Product Quality, Inventory value; Quantity and Quality, Automated product sampling (Top, Middle, & Bottom), Overfill prevention, Rupture prevention, Vapor emission monitoring, Pressure relief vent monitoring, Gas blanket monitoring, Unauthorized movement by mass accuracy: Leak detection,Theft, Improper line-ups.
•  In-Tank Blending: Lubricants, Additives, Crude Oil (Blending to Benchmarks), Fuel optimization: BTU’s per gallon based on fuel quality, Miles or Kilometers per gallon or liter based upon product quality
•  Dewatering – Settling tanks
•  Remote Inventory: Supply chain monitoring
•  Remote distribution – Delivery or Pick-up scheduling: Continuous monitoring, Tank set-point(s) reporting
•  Data communication objectives, gauge technology, and topology selection

Gauging Systems Inc. GSI Products, Liquid Tank Gauging, Liquid Level Tank Gauging, Tank Gauging


Tank Gauges, Interfaces, Alarms, and Associated Devices.


Developers of tank gauging systems software and other software


Gauging Systems Inc. provides both bench repair and field service. Engineering service are available for product or system design.