Metal Tester


Overall Rating

based on 2416 reviews



Overall Rating

based on 2161 reviews



Overall Rating

based on 1442 reviews



Overall Rating

based on 1328 reviews


Buyer's Guide: Metal Tester

Metal Testing and Its Uses

For many consumers, the metal tester used at check valves is more important than its presence in the check valve itself. The Alfa Mirage Precious Metals Tester GK-3000 is able to quickly, accurately and conveniently determine the purity of all metals by two simple weighings: one using the piece submerged in water, and the second with the tester on a dry surface. When the tester detects a metal that is higher than 0.05%, then it will confirm the presence of a hidden metal in the valve or cylinder. Once the tester is full, the device will warn the user of the error and recommend a new valve.

The metal tester is designed to work in any metal situation. Forged alloy, polished alloy and temperature cycling alloy all require different methods for testing. During the inspection process of the metal valve, the tester will determine if there are visible areas of pitting, cupping, porosity or rusting. The presence of these unsightly deposits on the exterior surfaces of the valve will prevent the valve from working properly and may require the valve to be replaced. Once a metal valve has been replaced, the metal tester is discarded. The testing only needs to be performed one time.

An Alfa Mirage Precious Metals Tester is a fully automatic gold testing machine designed for use in a variety of conditions including full water immersion and dry testing. A removable tester reservoir allows users to replace the container without having to open the testing machine. This reservoir also prevents spillage of mercury gas. Users can conveniently carry the tester and tubing directly to the jeweler for replacement. Jewelry stores and online retailers offer different styles of the Alfa Mirage Precious Metal Tester.

Silver and Gold testers are equipped with special apparatus that measures the purity of precious metals using either electrodes or ionized air. The probe is attached to a conductive plate with an electrical current passing through it. This method is used for testing purer forms of gold and silver. For silver, platinum and palladium, the purer form of metal is converted to Fe via the electrolysis process.

Most metal analyzers use electromagnetic waves to convert metals into their components. Some of them incorporate ultra-sound and optical methods for metal analysis. These kinds of methods produce results faster than traditional electrical testing methods. Some of the major advantages of using metal analyzers include: faster results, no need for manual measurement and no damage to the valuable materials being tested.

Metal Analyzers available for sale include: qualitative analytical machines, destructive non-destructive testing and electronic measurement devices. The qualitative analyzer measures the purity, color, size, density and homogeneity of the alloy by using a sensitive electronic device and a mixing medium. It can measure the amount of alloy impurity in alloys without damaging them. Thus, non-destructive tests are easier to perform and result in higher quality products.

On the other hand, an xRF analyzer measures the amount of precious element present in materials with a non-destructive method. With the help of an xRF, you can find out how many parts per million (PPM) of precious elements such as gold, silver, copper, lead, zinc, magnesium and ruthenium are present in a substance. You can use an xRF analyzer to determine the purity and the quantity of these elements in your precious ores. Thus, using this kind of testing equipment you can get an accurate result without destroying or changing the object you are testing.

In case you are looking for an affordable way of determining the purity level of your materials, non-destructive testing is always a better option. But, if precious elements are what you are searching for, then destructive testing will work best for you. Nevertheless, if you are dealing with precious metals, then non-destructive testing will be a better option for you. However, bear in mind that non-destructive testing relies on the electromagnetic energy of x-rays and other forms of radiation, which are harmful to the elements.

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