What is the pneumatic comparator?
A pneumatic comparator is a precision device operated using a pneumatic system or compressed air. Like other mechanical, optical, and electrical comparators, pneumatic comparators are also used to analyze the dimensional difference between the workpiece to be measured and the standard workpiece.
What is a Solex gauge?
Solex Pneumatic Gauge This instrument is produced by Solex Air Gauges Ltd, which is designed for internal measurement, but with suitable measuring head, it can be utilised for external gauging also. In the above setup, the high-pressure air or compressed air after filtering, through the flow valve.
What are the two types of comparators?
Based on the method of magnification, the comparators are classified as follows: Mechanical Comparator. Mechanical-Optical Comparator.
What is the working principle of comparators?
Principle of comparator The general principle of the comparator is to indicate the difference in size between the standard and work being measured by means of some pointer on the scale with sufficient magnification.
Which one of the following is the advantage of pneumatic comparator?
Explanation: In pneumatic comparator, there is no physical contact with setting gauge or part being measured. Due to this reason, there is no loss of accuracy due to gauge wear. It is an accurate, universal, reliable and speedy device.
What is mechanical comparator?
Mechanical comparator is a measuring instrument and the mechanism of this instrument is in the form of tape spring twisted, and that is positioned in the middle part. The middle part of the mechanical comparator rotates through a fixed angle upon tension which is shown in the figure.
What are the advantages of pneumatic comparators?
Advantages of Pneumatic Comparators A high degree of magnification is possible. No wear takes place on the workpiece due to no contact of the comparator to the workpiece. High accuracy can be achieved due to very few moving parts. Suitable to measure the diameter of holes.
How are comparators classified?
Comparators are classified into various kinds, such as electronic, electrical, mechanical, optical, sigma, digital and pneumatic comparators, these are used in various applications. Comparators play an essential role in designing electrical and electronic projects.
What is comparator used for?
A comparator circuit compares two voltages and outputs either a 1 (the voltage at the plus side) or a 0 (the voltage at the negative side) to indicate which is larger. Comparators are often used, for example, to check whether an input has reached some predetermined value.
What are the disadvantages of pneumatic comparator?
Disadvantages of Pneumatic Comparators:-
- Different gauging heads are required for different dimensions.
- The pneumatic comparator can require elaborate auxiliary equipment such as an accurate pressure regulator.
- The scale is generally not uniform.
- They are very sensitive to temperature and humidity changes.
What are the uses of comparators?
A comparator consists of a specialized high-gain differential amplifier. They are commonly used in devices that measure and digitize analog signals, such as analog-to-digital converters (ADCs), as well as relaxation oscillators.
What is comparators and its types?