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Servo level measurement

Servo level measurement

Continuous liquid level measurement in custody transfer and inventory control applications

Servo tank gauging instruments offer high precision measurement for liquid level, interface and density applications. The devices fulfill the exact demands of tank inventory management and loss control and are optimized in regards of total cost saving and safe operation. Check out the broad range of Proservo devices for servo level applications and click on the button below.

Servo level devices as tank gauging instruments are used for custody transfer and inventory control applications with NMi- and PTB-approvals and meet the requirements according to OIML R85 and API 3.1B. Proservo is especially suited for high accuracy custody transfer measurement in crude oil, gasoline, diesel, petrochemicals and chemicals.

Click to see all servo level measurement products

Servo level measurement: Measuring Principle

A small displacer is accurately positioned in a liquid medium using a servo motor. The displacer is then suspended on a measuring wire which is wound onto a finely grooved drum housing. When the displacer is lowered and touches a liquid, the weight of the displacer is reduced by liquid buoyancy force. As a result, torque in the magnetic coupling changes, which is measured by 5 sets of Hall sensors.

Benefits

  • Unaffected by medium properties like conductivity or dielectric constant

  • Custody transfer applications

Contact

Endress+Hauser AG
Kägenstrasse 2 4153 Reinach BL Switzerland
Tel.: +41 61 715 7700
Fax: +41 61 715 2888
Send email www.endress.com
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