In metrology, there are different types of measuring instruments such as Linear measuring instruments, comparators, Indicators, interferometers and angular measuring instruments. For the measurement of Pressure in Fluids, we use Manometers and mechanical gauges. In this article, we have discussed the broad classification of the Manometers in a detailed manner. Before getting into the main […]
Metrology is a science of measurement. It meant to understand the units of each quantity and the realisation of the units and calibration. In each country, they follow different unit systems, among them, the Metric system is the predominant system in the world. In this article, we have listed all the different Metrology topics that we have discussed so far.
Based upon the field of application Metrology can be further divided into
- Industrial metrology
- Scientific or Fundamental metrology
- Legal metrology
see what are these different metrology types here.
Here is the Metrology Basic Topics List!
Different Interferometers in Metrology
In simple words, Interferometry is nothing but the use of optical interference to carry out precise measurements of very small linear dimensions of slip gauges. The interferometer works on the same basic principle as that of an optical flat. In the previous article, we have discussed what is Interferometry in Metrology, in this article we […]
What are the different Reticles in Metrology?
First of all, What is a Reticle? A Reticle is a Graticule that turns the microscope into a measuring device in Metrology. On the eyepiece of the microscope, there are the graduated reference lines are etched to take measurements, these are the Reticles. In this article, we are going to discuss the different Reticles with […]
What is Laser Interferometer?
Interferometry is nothing but the use of optical interference to carrying out precise measurements of very small linear dimensions. Laser Interferometer is one of the interferometers which uses laser means and electronic controls to carry out the inspection of machine parts for straightness, parallelism, and flatness, and measurement of very small diameters, among others, and also […]
How to use Pitter–NPL Gauge Interferometer?
Interferometry is nothing but optical interference to carry out precise measurements of very small linear dimensions. Pitter–NPL Gauge Interferometer is one of the interferometers in metrology used for determining actual lengths of slip gauges. We will discuss this Pitter–NPL Gauge Interferometer construction and working principle with help of a schematic diagram in this article. As we mentioned above, […]
How to use NPL Flatness Interferometer?
Interferometry is nothing but optical interference to carry out precise measurements of very small linear dimensions. NPL Flatness Interferometer is developed by the National Physical Laboratory of the United Kingdom. We will discuss this NPL Flatness Interferometer construction and working principle with help of a schematic diagram. Construction of NPL Flatness Interferometer The NPL Flatness […]
What is an Optical flat in Interferometry?
An Optical Flat is a glass claimed to be extremely flat on one or both sides. it will be used with monochromatic light to determine the flatness of other objects with the help of optical interference. The optical flat is the popular choice for measurement using the interferometry technique, a host of other instruments, popularly […]
Solex Pneumatic Comparator
A comparator is a precision instrument used to compare the Dimensions of a given working component with the actual working standard. There are different types of comparators are available. Solex Pneumatic Comparator is coming under the Pneumatic Comparators. Let us discuss this in detail. Solex Pneumatic Comparator Solex Air Gauges Ltd. is one of the biggest and most popular pneumatic comparators […]
What is Interferometry in Metrology?
In the previous article, we have discussed what is Optical Interference, in this article we are going to discuss Interferometry in metrology. In simple words, Interferometry is nothing but the use of optical interference to carrying out precise measurements of very small linear dimensions. Interferometry in Metrology Due to the Optical interference of two or […]
What is Optical Interference?
Optical Interference is an effect that can occur when two or more light beams are superimposed. We knew that a ray of light is composed of an infinite number of waves of equal wavelength. the value of the wavelength determines the colour of light. For the sake of simplicity, let us consider two waves, having […]
What is an Optical Square in Metrology?
In the previous article, we have discussed the different Optical Measurement Techniques, the first one is the Tool Maker’s Microscope, the second one is the Profile Projector, the third one is this optical square. In this article, we are going to discuss briefly Optical Square in metrology. Optical Square An optical square is useful in […]
What is Tool Maker’s Microscope in Metrology?
We generally utilize microscopes in science and medicine. It is also a metrological tool of the most fundamental importance and the greatest integrity. The Holmarc’s Tool maker’s microscope is a multi-functional measuring instrument used in metrology for inspection and measurement of miniature mechanical and electronic parts and tools. Tool maker’s microscope provides a high degree of magnification, and […]
What are the Optical Measurement Techniques in Metrology?
An Optical measurement device is made up of Optical means. We are familiar with the most common applications of optics, namely Microscopes. Chemists, Biologists, and engineers use various types of microscopes. The main function of the microscope is that, for the visual magnification of small objects to a high degree with an additional provision for […]
What are the sources of errors in measurement?
Yes, it is not possible to measure the true value of an object, there will be definitely an existence of error either it can be very small (Negligible) or considerable based on application. This error can be evaluated as either an absolute error or a relative error. let’s discuss different sources of errors in measurement. This is a […]
Sine Bar – Construction, Working Principle, Uses and Formula
We have been discussed different Angular measuring Instruments so far. Sine Bar is the one of the precision Instrument among those. It will be used along with the Slip gauges in angle measurements. In this article, we are going to discuss the Construction, the working principle, Uses of Sinebar, Formula to determine the angle. Sine Bar Sine […]
Metrology Basic Topics list
Metrology is a science of measurement. It meant to understand the units of each quantity and the realisation of the units and calibration. In each country, they follow different unit systems, among them, the Metric system is the predominant system in the world. In this article, we have listed all the different Metrology topics that we have […]
What is the Universal Bevel Protractor?
Vernier Bevel Protractor is often known as the Universal Bevel Protractor. It is one of the angular measuring instrument used for close tolerances within 5 minutes. We have already discussed the Vernier Bevel protracter in previous articles. But again we just rewrote everything here instead of redirecting you to that article. Still, you can check that article […]
Working Principle of Optical Bevel Protractor
Optical Bevel Protractor is the development of the Vernier Bevel Protractor which has the ability to measure the angles up to 2 minutes. But in vernier Bevel protractor it is 5 minutes. In this article, we are going to discuss the Construction and the working principle of the Optical Bevel Protractor. Optical Bevel Protractor Optical […]
Working principle of Vernier Bevel Protractor
In Metrology, The angular measurements are frequently necessary for manufacturing industries. Vernier Bevel protractor is one of the angular measuring instrument used for close tolerances. We are going to discuss the construction and the working principle of the Vernier Bevel protractor in this article. Vernier Bevel Protractor Bevel Protractors are the Angular measuring devices. Vernier Bevel […]
What are Angular Measuring Instruments?
The angle is a measurement that we can measure between the two lines which meet at one point. Angular measurements are playing a very crucial role in measurements. The best example is that the Ships and the Aeroplanes will navigate with the help of The precise angular directions of the landing area. Let’s discuss Angular […]
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