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Custody Servo Tank Gauge with Water and Profiling option

The servo tank gauge is a high accuracy gauge designed for use in custody transfer tank gauging applications. Our Servo Gauge exceeds the requirements of UK weights and measures standards for servo tank gauges.

Our servo tank gauge is a reliable, versatile and accurate automatic servo tank gauge, the servo tank gauge has been designed for ease of installation with minimal moving parts.

The servo tank gauge is designed to measure all kinds of liquid and can be situated either in free space or stillwells. The servo tank gauge can easily be linked to our tank gauging system or to an existing tank monitoring system.

The servo tank gauge include the options to link the gauge to feature like temperature measurement (spot and averagetemperature are available) temerature profiling, full integration to management system, density measurement and much more.

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Working principle of Reflex Level Gauge

Reflex level indicators are for applications that involve high temperature, high pressure and use of corrosive fluids. The colorless fluid used in this apparatus gives better clarity to level indication.

Reflex glass level gauges working principle is based on the light refraction and reflection laws.

Reflex glass level gauges use glasses having the face fitted towards the chamber shaped to have prismatic grooves with section angle of 90°.

When in operation, the chamber is filled with liquid in the lower zone and gases or vapors in the upper zone; the liquid level is distinguished by different brightness of the glass in the liquid and in the gas/vapor zone.

The reflex level gauges do not need a specific illumination: the day environmental light is enough. Only during the night an artificial light must be provided.

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Microwaves For Level Gauge Measurement

The benefits of using microwave-based technology for level gauge measurement

Level gauge measurement has always played a key role in the quarrying industry and today it has even more significance with demands for de-manning, automation, and inventory control, as well as for safety and environmental reasons. The challenges for a reliable solution are numerous. For solids these include: dust, product build-up, abrasive products, and uneven surface levels. In general, liquids are easier to deal with, although bitumen requires particular solutions, however it is also important to avoid spillage and contamination by liquids. The working environment for all devices is harsh as vibration, noise, weather and impacts from falling materials are common.

To meet many of these needs, microwave-based technology has now become firmly established in a broad range of quarrying applications. With reducing costs, higher performance and special variants, could it be a question of when, not if, it can replace ultrasonic transmitters for the majority of applications?

The benefits of using microwaves for level gauge measurement are clear. Practically uninfluenced by process variables such as temperature, pressure, vapours, dust or gas composition in the vessel air space, they are suitable for a wide range of applications. The development of new radar and guided-microwave (or TDR) sensors, optimized for applications in bulk materials, brings the goal of a ‘universally applicable’ sensor a step closer. The use of microwaves, however, offers a ‘universal technology’ now.

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Optimize Your Process With The Density Meter Measurement

Our density meter measurement systems are noncontact and maintenance-free. They provide accurate density meter and concentration readings of liquids such as acids, alkalis, solutions, slurries, and suspensions.

The density meter measuring systems is clamped to the outside of existing pipelines. The density meter measurement can be used on pipe diameters from 25 mm to over 1000 mm, on chutes, and on vessels.

Berthold’s density meter measurement is radiometric and therefore ideally suited for use in extreme measurement environments, such as with abrasive, highly viscous, or highly corrosive media, or even in the case of vibrations. It is completely unaffected by the flow velocity of the medium.

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Straight Connector Fitting Liquid Level Gauges

Straight connector fitting liquid level gauges provide easy viewing in many industrial applications. They are ideal for bearings, transformers, and many other non-pressure applications. Brass construction and glass tubes provide long life.

Description

  • Guards are standard on all sights and may be rotated 360º for easy viewing.
  • Glass tubes offer high temperature use to 250ºF.
  • Wide range of mounting styles to fit most applications.
  • Vented design on all models.
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Selecting the Right Technology for Tank Gauging System

Two methods for measuring the tank level are recognized:

– A volume-based tank gauging system, with quantity assessment based on level and temperature measurement

– A mass-based tank gauging system, with quantity assessment based on measurement of the hydrostatic pressure of the liquid column.

The petrochemical industry generally uses static volumetric assessments of the tank content. This involves level, temperature and pressure measurements. There are different ways of measuring the liquid level and other properties of the liquid. Whatever method is used, a high degree of reliability and accuracy is vital when the data is used for inventory control or custody transfer purposes.

A tank gauging system is much more than just the instruments on the tank, however. Tank gauging requires large field bus networks to enable reliable data communication – wired or wireless. Tank gauging systems must also be able to calculate product volumes and mass according to industry standards. The tank gauging system performs many different functions, from operator interface, batch handling and reporting, to alarm functions, connectivity to host systems and much more.

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Choose Automatic Tank Gauge with different measurement technologies

With many different measurement technologies available, however, it is possible to choose automatic tank gauge with different measurement technologies for BPCS and SIS that, nevertheless, have similar measurement performances, offer self-diagnostic features, and are certified by reputed third-party safety assessors.

One practical, proven solution is to use a radar type continuous electronic sensor automatic tank gauge for the BPCS with a servo type continuous electronic sensor, for the SIS, or vice-versa. Such a solution meets the main objectives of process control and enhanced safety:

  • Comparable and redundant measurements.
  • Self checking continuous type electronic sensors.
  • High accuracy and performance to ensure safe operation so that safety function thresholds can be kept sufficiently high to maximize storage capacity.
  • Proof testing of automatic tank gauge can be logged with automatic event listing for documentation requirements of BPCS and SIS maintenance.
  • Flexibility to program another alarm in the control system for where the difference in measurement between the automatic tank gauge technologies exceeds a set value.
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About tank gauging system

Tank gauging system high quality liquid level mechanical gauging systems for Above & Below Ground Storage Tanks and Vessels.

Our level gauge are currently used and supplied to Oil & Gas, Chemical, Mining and Water & Wastewater companies Worldwide. Tank gauging system provides standard & custom design mechanical level gauging solutions with control options.

Our mechanical level gauges can be completely upgraded with electronic and pneumatic outputs to provide liquid level control for alarms and/or pump control.

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Oil-Level Gauge

Monitor hydraulic fluid or oil level gauge in gear boxes, crank cases, and other reservoirs. These indicators mount from the outside of your tank. The gauge shield rotates 360° for optimal viewing from any direction. They are for use in nonpressure applications. All have a vent to prevent pressure from building up and causing an inaccurate level gauge to display.

Level gauge with 40-micron filter keep out particles as small as table salt.

Level gauge with swivel fitting have a two-piece construction so they can be quickly disconnected.

Level gauge with drain allow you to sample hydraulic fluid from the reservoir.

3D CAD models availableFor technical drawings and 3-D models, click on a part number.

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Reflex Type of Level Gauge

Reflex type level gauges sturdily consist of a body with glass and cover tightened by U-bolts. They have a prism glass window that uses the basic optical principles of light refraction and reflection to enhance the indication of the liquid level.

In brief when the light strikes the area of glass covered by the liquid is allowed to pass to the interior of the level gauge, so that the area appears dark (black). While the light strikes the open space, above the liquid level is reflected back to the observer so that the area appears silver-white. It is possible to see the actual liquid level in the systems, even transparent liquids can be clearly observed. They are made from carbon steel, stainless steel, and carbon steel with rubber lined or lead lined depends upon the services.

They are suitable for various ranges of pressure lines; from low to high pressures, and made of carbon steel or stainless steel. In addition, they are lightweight structures and available for long visible lengths. What is more, Reflex types are available at low price. Reflex type level gauges are equipped with a ball check valve (emergency shut-off valve).