Different types of gauges used in industries pdf

The use of strain gauge technology to maintain rail safety also has a long history. The bourdon tube and capsule gauges are common types of pressure gauges used in the engineering and manufacturing industries. Like dial gauge, all the indicating gauges incorporate some magnification system. Types of level gauges level gauge consists of a metal body, machined to have an internal chamber and one or more front windows.

The standard has recommended seven sets of feeler gauges of different number of blades. There are basically classified into two types, rib type snap gauges. For example, in the process industry, tubular level indicators are used for better visual liquid level indication. Twinlead this type of cable is a flat twowire line. Dec 23, 2016 there are many different types of feeler gauges.

Technical reference for monitoring equipment and instruments. That is to say, gauging contact elements remain fixed during the gauging process. It is a conventional method to used soft lead wire or lead balls to measure the wear down or clearance between two mating surfaces. The different kinds of these transducers like an amplified voltage transducer, straingage base pressure transducer, millivolt mv pressure transducer, 420ma pressure transducer, and pressure. Level measurement transparent level gauge, reflex level. It requires external scale to compare the measured value. If it is for noncontact type level measurement, then radar type indicators or ultrasonic type indicators are to be used. A valve is an mechanical device used to control the flow of fluids both gases and liquids, fluidized solids or slurries. Bourdon tube gauges have limi ted choices for the tube materials which often are not optimal for todays tough processes.

There are many different types of level indicators, each with its own application. With capacitance gauges it is possible to accurately measure pressures from 105 mbartorr to well above atmospheric pressure, whereby different capacitance gauges having diaphragms of different thickness and therefore sensitivity will have to be used. Thursday, february 14, 20 21 gauges can be classified mainly as follows. Different types of screw threads have evolved for fastening and hydraulic systems. Until the later decades the most common basic type. Working gauges are used in the shop for dimensional inspection and. Hence these are also called as selfregistering tide gauges. It can be manufactured in a range of thicknesses from 200 microns to 5mm with a maximum width of 1600mm. Bourdon tube gauges have limi ted choices for the tube materials which often are not optimal for.

Types of precision measuring instruments used in industry. Various types of process instrumentation transmitters. Welding inspection tools types of welding gauges welding gauges. Outside dimension measuring gauge is classified in different types.

All of them have multiple common types that are used for various industrial applications. Mga controls has compiled a handy guide to the main types of pressure gauges and their uses. Different types of measuring tools and gauges used on ships. New technology innovations for process industry pressure gauges. The pressure transducer is used to measure the pressure of the specific quantity like gas or liquid by changing the pressure into electrical energy. In industrial work settings, the accurate measure of flow is highly critical.

In an example, the outer and inner both the diameters of a bolt can be measured by calipers. The pressure is defined as a force f n which acts uniformly over a defined area a. If your application needs a measuring range different from that of the standard in. Depending upon the field of application it is divided into industrial metrology, medical. It is one of the significant sensors used in the geotechnical field. A typical eight blade set of feeler gauge is shown in fig. Vacuum gauges are devices for measuring vacuum or subatmospheric pressures.

They can be single steel plate or flexible tape type tool. Strain gauge or strain gage was invented in 1938 by edward e. These are metal plates or high gaugesheets with cuts corresponding to the crosssection of a given size and type of weld. An estimated 90% of structural failures that occur in all industries are a result of fatigue. Used in a variety of industries, digital pressure gauges convert applied pressure into signals that read out in numerical displays. Some tools that are called gauges are used largely for measuring or layout work. It is employed in the sense of an instrument which having fi.

Material handling equipment mhe is mechanical equipment used for the movement, storage, control and protection of materials, goods and products throughout the process of manufacturing, distribution, consumption and disposal. Jul 04, 2019 strain gauge or strain gage was invented in 1938 by edward e. Even though the main purpose of valves is to control the fluid flow, they can be used to regulate the pressure, direction of flow within the piping system. With a relatively low manufacturing cost, abs plastic sheeting is typically used in the automotive and refrigeration industries but is also in products such as boxes, gauges, protective headgear, luggage, and childrens toys. These level sensing devices generally determine volume of liquid enclosed in the tank. There are plug gauges for straight cylindrical holes, tapered, threaded square and splined holes. Micrometer heads have applications in many fields of science and industry and.

Types and use of precision measuring instruments bright. Different technologies types of flow meters proteus. The different types of pressure are differentiated only by the reference pressure. A gauge, in science and engineering, is a device used to make measurements or in order to. In industries where precise marking and firm holding of objects is required. The clearest reference pressure is the pressure zero, which exists in the airfree space of the universe. These gauges have pharmaceutical, food processing and automotive applications as well as use for containment and monitoring of hazardous materials. Types and use of precision measuring instruments bright hub.

Materials are commonly used to produce parts, components and products. Diaphragm pressure gauges are used to measure gases and. A screen that shows an analogue meter, commonly used in modern aircraft cockpits, and. Among others, the standard gage line offers traditional gauges such. The gauge of a railway track is defined as the clear minimum perpendicular distance between the inner faces of the two rails. Other gauges are used in very specific measuring applications from spark plug gaps to screw threads. It is one of the significant sensors used in the geotechnical field to measure the amount of strain on any. Electronic industry, laboratories, teaching and training in. A look at various types of industrial transmitters part ii. Types of pressure gauges uses of a pressure gauges. It is a doubleended type snap gauges which are used or checking sizes in the range of 3 mm to 100 mm and singleended progressive type snap gauges are suitable for the size to range of 100 to 250 mm. In this assessment, gauge and its types are critically analyzed briefly in all the possible ways. A discussion and recommendations are provided to create an awareness of different types of threads and how they are used. It is one of the significant sensors used in the geotechnical field to measure the amount of strain on any structure dams, buildings, nuclear plants, tunnels, etc.

Strain gauges may also be used to monitor bridge response to overloaded or speeding trucks, or to measure displacement. They are also used to build infrastructure, buildings and landscapes. Transparent level indicators are highly useful in chemical industries and petrochemical fertilizers. Different types of transducers and their applications. They are used to measure internal and external size for e. From loewener vacuum service vacuum gauges where the pressure readings depend of the type. A vacuum is a space in which the pressure of a gas is low compared to the atmospheric pressure. Vernier caliper is a widely used linear measurement instrument with a least count of 0. The uppermost gauge in the image is an iso metric pitch gauge, the larger gauge in the center is for measuring the acme thread form, and the lower gauge is for whitworthscrews. The piezoresistive pressure sensor technology found in digital pressure gauges allows the use of many different material types to protect from harsh process conditions. There are different types such as thermistor, thermostat, thermocouple and so on, specific sensor used based on the application. Different types of valves used in piping mech4study. Design, manufacturing and testing of gauges of all kinds. Dial gauge is utilised in different tools as stated above and can be separately used to measure the trueness of the circular object, jumping of an object etc.

Sika pressure gauges are quality measuring instruments for use in industrial applications. This section describes the various types of sensors, the measurement principles, other system components used with the sensor to perform measurements, and basic calibration techniques for the following measurement systems. Vernier type micrometer gives highest acceptable accuracy of 1 micron such gauge is. These encoders are widely used in a variety of measuring instruments as the length. Linear measuring instruments are divided into 4 types which are based on the utility.

Types of level gauges working principle of level gauge. Recording type tide gauges record the variation of water level automatically from time to time. A plug gauge is a cylindrical type of gauge, used to check the accuracy of holes. We look at the different types of gauges used in industries, such as analog and digital pressure, level, and bore. Rain gauges are also known as udometer, pluviometer and ombrometer. There are various types of recording tide gauges available. Selecting the proper screw thread is an important criteria in creating a leakproof seal. Gauges gauges perform an essential services in any scheme of quantity production on an interchangeable basis a gauge or limit gauge is a tool or instrument to measure or compare a component. Strain gauge technology in field testing sensing systems. The different types of handling equipment can be classified into four major categories. As this type of encoder can drive with less power than the incremental.

Working gauges are used in the shop for dimensional inspection and periodically checked against a master gauge. They are used to indicate the value of dimensions on a visual display system. These are designed to cover a very wide range of work. New technology innovations for process industry pressure. A straight leaf feeler gauge has leaves that are consistently parallel. Below we list the different types of gauges used in industries. Different types of mechanical measuring tools and gauges used on. Tubular glass of this sort is available in lengths up to 70 inches and for pressure up to 600 psi. Linear measuring instruments are used for the measure the straight surfaces of substances. A metal ball normal used in the tube to prevent the fluid from flowing out of the gauge.

As the name suggests, these transmitters provide measurements on the flow of liquid or fluid. Dial gauge is a popular example of indicating gauges. All gauges can be divided into four main types, independent of their actual use. The closed tank sight glass b, sometimes called a reflex glass, is used in. Twisted pair consists of two interwound insulated wires. Rain gauge is a type of instrument used by meteorologists and hydrologists to measure rainfall rate in a certain period of time. They are used to measure lengths and other geometrical parameters. Vacuum gauges and instruments are used in conjunction with vacuum sensors to monitor and control the vacuum pressure in a. Calibration of new and used measuring equipment, irrespective of make and manufacturer.

Both sides dimension measuring gauge is used to measure the outer or outside and inner or the inside, both diameters, width, height, etc. They are normally of two types inside and outside caliper. Not only does this define profit or loss, but consumer and worker safety are at stake as well. The different gauges can broadly be divided into the following four categories. Here, we provide further information regarding the uses of these instruments, while also looking at contact and differential pressure gauges. Basic of gauge,necessity of gauge,types of gauge,their.

Comparison of different gauges common in india with the standard gauge, which is not common in india. Depending upon the types of liquids such as water, oil, diesel etc. Wireless telemetry can be used to transmit the data collected via ethernet. Materials can also be consumed in processes such as farming, manufacturing and logistics. After welding the welds are inspected for size and shape by means of welding gauges. As the fluid is stored in high pressure and high temperature, the transparent level indicator is very useful to find the fluid level. Indian railways currently has four different gauges. Vacuum gauges and instruments selection guide engineering360. A thread pitch gauge, also known as a screw pitch gauge or pitch gauge, is used to measure the pitch or lead of a screw thread. Understanding about industrial instrumentation in real. Indicating gauges are complex in design and construction as compared to the other types of gauges. Master and setting ring gauges includes gauge blocks, master or setting discs, and setting rings are types of master gauges used to calibrate or set micrometers, optical comparators, or other gauging systems. Several forms of level gauges exist in the industry.

Analogue instrument meter with analogue display needles. Dec 16, 2019 different technologies types of flow meters. On each window a special high resistance glass is used with sealing joint and metal cover plate hold by bolts and nuts. There are four basic types of transmitters that are used for process instrumentation. They are used in almost every industries to some extent where we. Production gauges are of various types, but there is a little doubt that the majority are in the form of limit gauges. The general form of limit gauges is of the fixed type. Pressure sensor pressure sensor acts as a transducer and it is used to measure pressure of liquids or gases, it converts the pressure into electrical signals. A discussion and recommendations are provided to create an awareness of different. Many different types of accelerometer and gyroscope systems mechanical bodies, fibre optic, etc together in an orthogonal arrangement of accelerometers and gyroscopes, these comprise an inertial measurement unit imu an imu that is used for navigation is called an inertial navigation system ins. With a need to make quality products which meet design specified tolerances, a large number of firms, research and development centers, and school and college laboratories use measuring instruments that have high accuracy and precision. The thinner end of the gauge can go into the gap and the thicker body will not no go. Level gauges measure the level of fluid in tanks and pressure vessels.