JOYO M&C – Servo Tank Gauge Manufacturer & Suppliers

Even the non-nautical amongst us can appreciate that one of the biggest problems with measuring the levels of fuel and water in vessels is that the sea is rarely flat. With the contents of the tanks seldom calm, obtaining a stable and accurate level reading can be difficult.

rough seas 300x201The most common marine based level gauge use floats that sit on the surface of the liquid being measured. This positioning exposes the floats to the turbulent motions experienced inside the tanks, resulting in inaccurate and unreliable measurement data.

No moving parts- accurate measurement

Capacitive liquid level gauge do not use a float and have no moving parts whatsoever. Instead they have a hollow probe which is immersed into the liquid and the actual level measurement takes place inside the probe. Using holes in the end cap of the sensor, liquid flows in and out from the bottom of the sensor where turbulence is at a minimum.

This provides a very significant suppression of surface level fluctuations as the submerged holes slow rapid changes in liquid level on the outside, which the sensor does not pick up. This all helps in providing an accurate, reliable and consistent level output from the sensor, letting you know exactly how much fuel is available in the tank whatever the sea conditions.

Solid-state capacitive technology also offers excellent long term reliability as there’s no mechanical linkages to break or wear out, outlasting other sensor types which would perish in the applications.

Continuous Output

Better still, capacitive level gauge also provide a continuous, ‘stepless’ output, as opposed to many float sensors which have a series of reed switches that require a significant level change to affect the output. This is because the fluid level has to change enough for the float to ‘de-activate’ one reed switch and ‘activate’ the next one along, thereby providing a ‘stepped’ or coarse resolution. The capacitive sensor generates a continuous output relating directly to the level of liquid inside the sensor with a very fine resolution, as it is not jumping from one switch to the next. Additionally, there is always the possibility that one reed switch could fail, resulting in a large measurement ‘dead spot’ on the sensor.

Adaptable Installation

The sensors can be used with metal and plastic tanks and for the awkward shaped tanks, they do not have to be installed vertically-indeed, they can be mounted up to an angle of 60° from vertical without modification, to help cover the full depth of an irregular tank shape. Capacitive level gauge can also be used on a variety of liquid types.

The advantages of capacitive sensing technology can also be utilised across a range of harsh environment applications to provide long-term cost effective reliability, further advantages of Gill’s Marine Liquid level gauge are highlighted in the video below.

This article comes from gillsc edit released

They operate on the principle of communicating vessels, which refers to separate containers that are connected via extrusion outlets to allow low- or high-density fluids of either homogenous or heterogenous consistencies to flow between the vessels.

The chamber, or auxiliary column, of the level gauge is equipped with a float containing a set of permanent magnets. Fluctuations in the fluid of the primary chamber will result in commensurate changes within the level gauge. The magnetic float rises and falls on the surface of the fluid, registering these changes on the external measurement indicator. This indicator is typically constructed using a magnetized shuttle that moves in conjunction with the interior magnets.

This technique is advantageous as it does not require restrictive mechanical guide rails and instead relies on the limited lateral motion of the float within the column of the level gauge. It is also suitable for fluid mixtures of varying densities, with variable float designs and materials suitable for the specific gravity of numerous measured fluids, including acids, butane, oils, water, and heterogenous fluid interfaces.

level gauges are increasingly preferable to alternative level measurement systems owing to their improved thermodynamic resistances over apparatuses such as sight gauges. They can withstand high process temperatures and are optimized for high pressure applications. Unique process demands can also be met using bespoke level gauges with oversized columns and floats with improved buoyant characteristics.

This article comes from ABB edit released

Water tank level gauges are used to quickly tell how much water is in your storage tank at any given time. We sells two types of level gauges: electronic indicators and mechanical indicators.

Electronic Indicators

Water tank level gauges with electronic indicators are a convenient way to keep an eye on your water levels from inside your own home or office.

Electronic level gauges consist of a transmitter and a receiver. The electronic indicator inside the tank transmits a wireless signal to a receiver located in the home or office.

Level gauges with electronic indicators eliminate the need for you to go to the actual physical location of the tank to read the water level.

Mechanical Indicators

Water tank level gauges with mechanical indicators work by using a weighted float and an indicator. The indicator is connected to a counter-weight which moves down with the rising water level and lifts up the float.

Level gauges with mechanical indicators are precisely accurate, as the sliding indicator located on the outside of the tank is able to match with the water level exactly.

Unlike level gauges with electronic indicators, those with mechanical indicators will never go down on you. Since there are no electronic parts,no power source is required and certainly no batteries. That makes these gauges an appealing option over those with electronic indicators.

Of course, the best one is whichever most closely suits the needs of your rainwater harvesting system.

This article comes from rainharvesting edit released

Armoured level gauge: Armored level gages are used in a variety of applications, such as in petrochemical refineries and chemical plants. They work well in high-pressure environments, coming in a variety of PSI ratings up to 4000 PSI. They are available with transparent and reflex gauge glasses.

Tubular level gauge: Tubular gauges come with a clear or red line Borosilicate (Pyrex) to help improve visibility and measurement of clear fluids. They are often used in low-pressure applications up to 600 psi. Normally, they are recommended for use with oils and petrochemical liquids as opposed to water or steam as there is a possibility of the level gauge’s steel valves developing rust or corrosion. However, the tubular gauges sold at McRae Engineering have automatic valves made with corrosion-resistant ball checks and stainless steel valves.

Magnetic type level gauge: For this type of level gauge, the chamber is constructed of non‐magnetic materials, with its float engineered and located inside the chamber. It is sized and weighed to the specific gravity of the process fluid to be measured. The float contains a 360° magnetic assembly, generating a strong uniform magnetic circuit. The float will move according to the changes in the liquid level, allowing for precise measurements.

This article comes from mcraeeng edit released

Liquid level gauges are industrial meters that are used to determine the level of a liquid in a process tank. Liquid level gauge calibration is used to ensure proper readings are obtained when using level gauges.

They have several advantages including durability for severe environments and also having the ability to withstand high temperatures and pressure. They are easy to read from a distance and can be used in addition to a switch or alarm in a system. There is little maintenance required and all repairs can be done without disturbing the system.

They can also be customized for extreme applications. Our liquid level gauge & valve specialists are available to answer your product specification questions.

This article comes from johnernst edit released

The level gauge model BNA consists of a bypass chamber, which, as a communicating tube, is connected laterally to a vessel via at least 2 process connections (flanged, threaded or welded). Through this type of arrangement of the level gauge, the level in the bypass chamber corresponds to the level in the vessel. The float with a built-in permanent magnetic system, which is mounted within the bypass chamber, transmits the liquid level, contact-free, to the magnetic display mounted to the outside of the bypass chamber. In this are fitted, at 10 mm intervals, two-coloured plastic rollers or stainless steel flaps with bar magnets.

Through the magnetic field of the permanent magnetic system in the float of the level gauge, the display elements, through the wall of the bypass chamber, are turned through 180°. For an increasing level from white to red; for a falling level from red to white.

Thus the level gauge clearly displays the level of a vessel without power supply.

This article comes from wika edit released