Guide to choosing a metallographic microscope
Generally, when purchasing a metallographic microscope, you mainly look at the purpose of the metallographic microscope. For example, do you just observe the surface of the sample, or do you want to take photos, do you need bright and dark fields, do you want to do component analysis, etc. In addition, It depends on your company's budget. Buying the most cost-effective microscope within a limited budget is really practical! The quality and effect of imported metallographic microscopes are better than those of domestic ones, but the price will also be much more expensive. It mainly depends on your budget. If the budget is not enough, domestic metallographic microscopes can also be considered, and the current domestic microscopes are better in terms of effect. And the quality has indeed been greatly improved, so you can use it with confidence. Introducing the following brands that can be divided into various grades according to performance for everyone to choose from:
1. Imported metallographic microscopes: The characteristics of these microscopes are: the optical system adopts infinity, and can provide bright field, dark field, transmission, reflection, DIC and other observation methods. The lens has high resolution and long service life, but the price is relatively high.
2. Domestic upright metallographic microscope: This kind of microscope is suitable for general opaque objects. The magnification is required to be above 100X and below 1000X for customers. It only has bright field and low lens resolution, but it is very cost-effective.
3. Domestic inverted metallographic microscope: The characteristics of this kind of microscope are basically the same as those of domestic upright microscopes, but the lens is at the bottom, the stage is larger, and there is no working distance requirement. It is more suitable for those with lower prices but larger samples to look at. client.
A metallographic microscope is a high-value, high-precision optical instrument. Its core part is the optical imaging system. The quality of the product is related to the imaging effect and the accuracy of analysis and judgment. When purchasing a metallographic microscope, you should pay attention to the following two points:
1. Four basic conditions must be met simultaneously in terms of imaging quality. Metallographic microscopes use the principle of optical imaging to obtain metal microstructure images (i.e. metallographic maps), and then conduct qualitative and quantitative analysis of the metallographic maps. The quality of the imaging is the primary indicator to measure the quality of the metallographic microscope. To obtain clear images, four basic conditions must be met: high contrast, high brightness, good color reproduction and high resolution.
The first three conditions are the most easily overlooked by users when selecting models. Users should not blindly pursue resolution and ignore the other three aspects when purchasing. Only in this way can they achieve value for money and make the most of their money.
2. The continued stability of the mechanical properties of the metallographic microscope should be considered during use. In addition to imaging quality, it should also be considered that the instrument can stably maintain optimal working conditions for a long time under normal use, which we call the sustained stability of mechanical performance.
A metallographic microscope is a high-value, high-precision optical instrument with a service life of more than 30 years. When purchasing, users should also examine the materials, manufacturing accuracy, and mechanical design of the manufacturer when purchasing. . The above two necessary conditions put forward clearer manufacturing requirements for manufacturers from a practical point of view. Users should also follow the above principles to purchase economical and applicable metallographic microscopes.
