Tank High Accuracy Tank Servo Gauge

The Servo Tank Gauge is an intelligent tank gauge for high accuracy liquid level measurement employing the latest micro-technology. In addition to level measurement, the Servo Tank Gauge can determine the interfaces between three liquids, specific gravity of these liquids and tank bottom. To enable accurate volume calculation or simply for indication, the Servo Tank Gauge will accept an input from the 4532 or 4539 temperature device (via two core cables using HART® protocol) or a single spot temperature element (Pt 100).

Once installed, all calibration and operating functions can be made via the user friendly Matrix program and touch sensitive keypad. Tank side monitoring and operation can be performed by the 4560 Servo Gauge Monitor (SGM).

  • Measures liquid to an accuracy of +/- 0.7 mm
  • Measures two clear interface levels and specific gravity of up to three liquid phases
  • Profiling of liquid density throughout the tank (tank profile) and upper layer (I/F profile)
  • Wetted parts are completely separated from the electronic circuit
  • Tank top mounting with 3” flange weighing only 12 kg (aluminum version)
  • Wide range of output signals, including RS-485 (MODBUS), Mark Space and Enraf BPM protocol
  • Material and pressure rating of the wetted parts can be selected according to the application
  • Suitable for atmospheric and high pressure applications up to 363 psi (2500 kPa, 25 bar)
  • Maintenance prediction of the instrument
  • Direct connection of spot or average temperature probes
  • Built-in calibration window capabilities
  • FM, ATEX & CSA approved for use in hazardous areas
  • NMI approved for custody transfer applications
  • Proactive safety diagnostics output to display and system operators

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Servo Tank Gauge 854 Xmitting Tank Gauge

854 XTG servo tank gauge is a high performance alternative to other tank level measurement technologies, such as radar tank level gauges.

It offers a gauging solution for a large variety of applications up to six bar pressure ratings. XTG servo gauges are TUV certified for Safety integrity level (SIL) 2 and SIL 3 rated safety-instrumented systems. They are suitable for deployment as an independent overfill prevention system conforming to API 2350 and other major safety recommendations.

Servo tank gauges are certified as per OIML R85 2008 and are fully compliant for custody transfer applications. XTG servo tank gauges are multi-function gauges that measures product level, interface level and density measurement. This ensures easy use of servo gauges in existing tank farms with limited opening on tank top.

This article comes from universalmc edit relased

Varec Servo Tank Gauge

Varec’s Servo Tank Gauge product line provides an intelligent system for high accuracy liquid level measurement. It also determines the interfaces between three liquids, specific gravity of these liquids and tank bottom.

To enable accurate volume calculation, a temperature device is integrated using HART® protocol or a 3-wire spot temperature connection.

Servo tank gauges are designed for ambient and high pressure liquid tankage measurements, including measuring the level, density, temperature, mass quantity and the oil-water interface of the liquids in tank, such as gasoline, diesel, liquid chemicals and LPG, in a real-time way.

This article comes from calflow edit released