What to Consider When Shopping for an Ultrasonic Thickness Gauge

An ultrasonic thickness gauge is a handy tool used for measuring thickness to determine the properties and components of the material. If it’s your first time buying the device, you have to consider various aspects. Examples of obvious considerations include budget, the purpose of the device, and where to buy it. You also need to keep in mind other factors like quality that will define the efficiency and effectiveness of your equipment.

Here are essential things to keep in mind when choosing ultrasonic thickness gauges.

  1. Material

You’ll find different ultrasonic thickness gauges, and all measure different materials. List down the materials you may want to test and the desired thickness range. The devices can measure,

  • Metals
  • Plastic 
  • Ceramics
  • Composites
  • Epoxies
  • Glass

You’ll gauge the materials in distinct thicknesses, and some have a limited thickness range. For instance, plastic absorbs energy very quickly and has a limited range of thickness. So, be sure of what you’ll be testing when buying an ultrasonic thickness gauge.

Also, determine the desired temperature you want to achieve as you take the readings. Decide whether or not you want a device that uses fluid, especially for high-frequency sound waves. 

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  1. Weight &size

The model is critical, but the weight and size matter a lot. Think of the available space to determine whether you have adequate space for the device. Some gauges are compact and highly portable and will fit in your pocket.

Others are large due to the battery used and are not easy to move around. For instance, if you wish to acquire a durable gauge, choose one with a long-lasting battery and may have to buy a large one.

  1. Cost

The cost of a product matters a lot when shopping. You want to acquire a quality device but within your budget. All models come with varying prices, and you should choose one to match your needs and budget. 

Don’t go for cheap sub-standard gauges; instead, go for quality. Compare prices between different manufacturers and look out for deals to save some cash.


Ultrasonic thickness gauges feature varying levels of accuracy. Consider the calibration, uniformity, surface roughness, and sound scattering. There are multiple manufacturers, and the calibration levels may vary between sellers. 

Also, determine the accuracy level of the gauge through reference standards. Don’t go for very cheap devices; some manufacturers may compromise the features to meet certain budgets and needs.

  1. Brand

 You’ll find thickness gauges in different brands; some are famous for manufacturing high-quality and durable devices. Buy from reputed manufacturers stocking quality devices. This way, you can be sure of the quality and get the best value for money. You’ll unlikely have to replace it or repair faulty parts with such a device. Examples of popular brands include COLTACO, which has been in the industry for decades.

Wrapping up

You’ll easily get your preferred ultrasonic thickness gauge in the market. However, you should determine what you need and consider certain factors like material, accuracy requirements, and size and thickness range. Pick a high-quality device from reputed manufacturers to ensure accurate readings.

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