What are mechanical measuring instruments?
- Vernier Caliper. Vernier Caliper is a widely used linear measurement instrument with a least count of 0.02 mm.
- Micrometer. External Micrometer is also known as Outside Micrometer or External Micrometer.
- Steel Scale.
- Vernier Height Gauge.
- Vernier Depth Gauge.
- Bevel Protractor.
- Dial Gauge (Plunger, Level)
What are some measuring instruments?
“ Digital Measurement Instrument Market ” report provides the detailed study of Porter’s Five Forces analysis, competitor landscape, development trends, product scope, detailed cost analysis, growth opportunities.
What are different types of measuring instruments?
Types of Measuring Instruments
- Linear Measurements: - It is also known as scale. it is a line measuring device. ...
- Angular Measurements. - Proctractor is a measuring instrument, typically made by transparent plastic or glass for measuring angles.
- Taper Measurements. ...
- Surface Measurements. ...
What instrument is the most precise for measuring volume?
- Beakers – Are containers primarily used for mixing and heating. ...
- Measuring Cups – The liquid measuring kitchen variety. ...
- Erlenmeyer Flasks – These are wide bottomed but not circular with a neck that can use a stopper (with or without holes). ...
- Florence Flask – This is a round bottomed flask used for boiling solutions.
What are the different types of measuring devices?
Types of Basic Measuring Instruments. We can classify the basic measuring instruments into the following two types. Voltmeters; Ammeters; Let us discuss about these two basic measuring instruments briefly. Voltmeters. As the name suggests, voltmeter is a measuring instrument which measures the voltage across any two points of an electric ...
What are mechanical instruments?
mechanical instrument in British English noun. a musical instrument, such as a barrel organ or music box, that plays a preselected piece of music by mechanical means. Collins English Dictionary.
What is measuring instrument from mechanical?
01. Vernier Caliper. Vernier Caliper is a widely used linear measurement instrument with the least count of 0.02 mm. It is used to measure linear dimensions like length, diameter, depth.May 26, 2019
What are the mechanical measurements?
The science of mechanical measurements has its roots in physics. It is an independent domain of knowledge dealing with the measurement of various physical quantities such as pressure, temperature, force, and flow.
What are the different measuring instruments?
Different Types of Measuring Instruments:Measuring Tape.Level.Ruler.Pressure Gauge.Thermometer.Clocks.Speedometer.Measuring Cups.More items...•Feb 3, 2021
What are the 3 types of measurement?
The three standard systems of measurements are the International System of Units (SI) units, the British Imperial System, and the US Customary System. Of these, the International System of Units(SI) units are prominently used.
What is this mechanical engineering?
Mechanical engineering is one of the broadest engineering disciplines. Mechanical engineers design, develop, build, and test. They deal with anything that moves, from components to machines to the human body.
What are the 5 types of measurements?
Types of data measurement scales: nominal, ordinal, interval, and ratio.
What is mechanical measurements and metrology?
Metrology is concerned with the establishment, reproduction, conservation and transfer of units of measurement & their standards. For engineering purposes, metrology is restricted to measurements of length and angle & quantities which are expressed in linear or angular terms.
What are the types of measurements TLE?
The two (2) systems of measurements are: the English and the Metric System.
What is the difference between measuring tools and measuring instruments?
Testing with measuring tools (measuring): Lengths and angles of any object are determined (measured) by comparison with a measuring instrument where the exact value measured can be read on a scale.
How many types of measuring devices are there?
Discover the different types of measuring tools you'll need for measuring distances, dimensions, angles, planes, water pressure, temperature, time, speed, miles, ingredients, and blood sugar level. Try to step back in time and imagine a world without measurement tools.
What are the two types of measurement?
Two types of measurement we can do, the first one is through external jaw (that measure external dimensions like shaft ) and another one is internal jaw (measure internal dimensions like hole).
What is a feeler gauge?
A Feeler gauge is used to measure the clearance between two parallel flat faces for example piston and cylinder. As the name suggests, feeler gauge called as to measure neither tide nor freely.
What is a Vernier caliper?
Vernier Caliper is a widely used linear measurement instrument with a least count of 0.02 mm. It is used to measure linear dimensions like length, diameter, depth. It is Basic Instrument of measurement, consist of two types of scale. The main scale and the Vernier scale that can slide along the main scale.
What is a Vernier height gauge?
Vernier height gauge used to measure vertical dimension from reference ground. Vernier Height Gauge consist of a graduated scale or bar is held in a vertical position by a finely ground fixed base.
What is the accuracy of an external micrometer?
It is used to check outside diameter of circle by the means of accuracy of 0.01 mm or up to 0.001 mm. Vernier type Micrometer gives highest acceptable accuracy of 1 micron such gauge is vernier type micrometer.
What is a snap gauge?
Snap gauge is GO and NOGO type gauge. That means snap gauge consist 2 fixed measured distance or gap, one is known as GO and another one is known as NOGO.
What is the accuracy of a digital protractor?
Digital Protractor measure an angle over 360 degree with a high accuracy of 0.1 degree. Digital Protractor is very simple and ease to measure angle by just putting between levels or surface.
Metrology
Metrology is a part of science. It deals with the study of measurement, measuring instruments, and checking.
Mechanical Measurements
Measurement is a process where we calculate the unknown quantity to known quantity. There are some instruments are used to measure. These instruments are called measuring instruments. Measurement is performed to know the component accurate or not as per need. We measure length, time, mass, angle, temperature, roundness and roughness.
Some types of Measuring Instruments
There are different types of measuring instruments are used in Mechanical Engineering. They are
Conclusion
Here I explain 9 Measuring instruments for mechanical engineers. It is useful for every Mechanical Engineering student or employee. Nowadays measuring instruments use in every mechanical sector for proper or perfect work.
What is the L.C. of a micrometer?
It is not used to measure the depth of an object which can be done by measuring the depth probe of Vernier calipers. L.C. of Micrometer is 0.01 mm.
What is the purpose of an inside caliper?
5. Inside caliper: The inside caliper is used to measure the internal size of an object. It consists of two legs which are not inverted to each other and are connected by means of a screw and nut mechanism. Apart from that, the usage of Inside Caliper was also placed in this article. Inside Calipers.
How does an inside caliper work?
The two legs of the Inside Caliper are adjusted on to the workpiece in such a way that the legs can touch the surface until they will almost pass over the object. The Inside Caliper has an adjusting screw that permits it to be carefully adjusted without removal of the tool from the workpiece. 6. Outside Caliper:
What is a Vernier caliper?
A vernier caliper does not have the depth capacity to straddle this large diameter while at the same time reach the outermost points of the pipe's diameter. They are made from high carbon steel. 7.
What is the best measuring device for measuring the thickness of an object?
9) Micrometer. A micrometer is a measuring device that is usually used to measure the thickness of an object. It can measure much smaller values than a Vernier caliper and is also more accurate. Sometimes it is also known as a screw gauge as the measurements are taken with the help of a screw.
What is an engine indicator tool?
It comes with a pressure indicator dial which may be digital or analog. An engine indicator diagram tool is a cylindrical shaped device. It consists of a spring and a needle which are used to draw the indicator diagram of a specific cylinder. It has to be fixed on the indicator cock of the unit.
What is a telescopic gauge?
A telescopic Feeler gauge is an instrument used or inserted in areas that are remote or inaccessible to a normal feeler gauge. It is made up of steel and is flexible. It consists of a long feeler gauge that is inside a cover. The end of the instrument is a little curved.
What is the purpose of transfer gauges?
These include transfer gauges which are used to measure the size of a bore, inside micrometers that can measure bores directly, dial bore gauges which included a digital readout, or electronic or wireless bore gauges. These are some of the essential instruments when it comes to ships.
What is crankshaft deflection gauge?
A crankshaft deflection gauge is a digital instrument that is used to measure the crankshaft deflection of the marine engine as the name suggests. Crankshaft deflection is a quantity that is used to measure or detect misalignments in the main bearings of a ship.
What is a caliper used for?
A caliper or a pair of calipers is a measuring instrument used on-board ships. It is used to measure the distance between two opposite sides of an object. Two main types of calipers are used commonly. They are inside and outside calipers.
What is the purpose of a Vernier caliper?
A kind of caliper, the Vernier Caliper is a measuring device that is used to measure the size of the distance between the two ends of an object with great accuracy.
1. Ruler
A ruler is a long measuring instrument that is used to measure the length of an object. Generally, rulers are made of iron, mica or wood. This measuring instrument is commonly used by the community and is even considered a necessity for children at school. There are 10 cm- to 100 cm-length rulers. The most common length for a ruler is 30 cm.
2. Roll Meter
The roll meter is an instrument for measuring the length of an object. This tool is similar to a ruler, except that the roll meter has a longer measuring distance of up to 50 meters. This tool is used in the furniture industry to measure wood or planks for furniture.
3. Elbow Ruler
The elbow ruler is a measuring instrument used to measure the length as well as to ensure that the right angle is equal to 90o. In the picture, the elbow ruler can only check the 90o angle, but there is another form of the elbow ruler that has been equipped with an angle-adjusting feature so that it can be rotated to check the angle of the object.
4. Angle Ruler
This instrument is generally used by children at school to measure the angle of an object or to draw angles. Angle arcs are often found during math lessons and are used to solve math problems. Those who are still at school must have had carried or held this instrument.
5. Calipers
A caliper is an instrument used to measure the length, thickness, diameter, and depth of an object. It has a measurement accuracy of 0.1 mm. For example, if we want to measure glass with this tool, we will have the following results:
6. Micrometer
A micrometer is also used to measure the diameter and thickness of an object. However, this tool has a higher accuracy than calipers with an accuracy of 0.01 mm. Therefore a micrometer is used to measure the diameter and thickness of smaller objects, such as coins.
7. Scale
The scale is a measuring instrument used to measure the weight or mass of an object. There are various kinds of scales such as sitting scales, body scales, three-arm scales, digital scales, hanging scales, and others.
What is a liner measurement tool?
A liner measurement tool is a special tool for marine engines which comes in a set of the straight rod of different marked length, which can be assembled together to make the measuring tool of the required length. It is used to measure the wear down or increase the diameter of the engine liner.
What is the best tool to measure small parameters?
Micrometer. It is an excellent precision tool which is used to measure small parameters and is much more accurate than the vernier calliper. The micrometre size can vary from small to large. The large micrometre calliper is used to measure large outside diameter or distance. E.g.
What is a feeler gauge?
Feelers gauges are a bunch of fine thickened steel strips of different thickness bundled together. The thickness of each strip is marked on the surface of the strip. The feeler gauge is used to measure the clearance or gap width between surface and bearings. E.g.
What is the measurement of a hole?
A tool to accurately measure the diameter of any hole is known as bore gauge, It can be a scale, dial or digital type instrument. The most common type which is used on the ship is dial type bore gauge, which comes with a dial gauge which is attached to the shaft and replacement rods, also known as measuring sleds, of different size to measure different hole dimensions. It is usually calibrated in 0.001 inch (0.0025 cm) or 0.0001 inch (0.00025 cm).
What is tongue gauge?
Similar to the functionality of feeler gauge, this type of gauge is also known as tongue gauge, and it consists of long feeler gauge inside a cover with tongue or curved edge.
What is the purpose of the American wire gauge?
This tool is usually kept in the electrical workshop of the ship, and electrical officer uses it for measuring wire thickness.
What is a Cylinder Liner Measurer?
It is used to measure the wear down or increase the diameter of the engine liner. It is considered as special tools when compared to other types of measuring tools and kept separately with other engine special tools under chief engineer or 2nd engineer supervision. Related Read: Cylinder Liner Wear and Ways to Measure.
