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The difference between audio and visual gold and metal detectors

Metal detectors are essential tools in the field of gold and precious metal exploration. They vary in their working methods and the technologies used, which affects their effectiveness in specific applications. These devices can be divided into two main types: audio detectors and imaging detectors.

**Audio detectors** rely on sound signals to alert the user when metals are detected, making them easy to use for beginners. They are usually less expensive and provide quick results. On the other hand, **imaging detectors** use advanced technologies like 3D imaging to provide accurate information about the shape and size of the buried metals.

In this article, we will explore the differences between audio and imaging metal detectors for gold and metals.

The difference between audio and visual gold and metal detectors

To understand the difference between audio and imaging metal detectors, it’s important to note that precious metal detectors that operate using audio systems are among the best tools developed to meet the needs of seekers, particularly for detecting raw gold, coins, and valuable lost items. These devices are known for their superior capabilities, as they can detect precious metals at depths ranging from one to five meters below the surface, making them ideal for those interested in searching for treasures near the surface.

This electromagnetic technology provides high accuracy in identifying the type of metals. Among the leading companies in this field are well-known names like Garrett and Minelab from the USA, known for their quality and reliability in manufacturing metal detectors.

Features:

  • Ease of Use: Audio-based detectors are easy to use, making them the best choice for beginners and hobbyists in metal detection.
  • Comfortable Design: The devices feature an ergonomic arm and a search coil that can be easily detached and reassembled, simplifying usage.
  • Metal Discrimination: These detectors come with a feature that allows the user to exclude certain types of metals, such as iron, helping them ignore unwanted signals and focus on valuable metals like gold.
  • Water-Resistant Design: They are designed to be water-resistant, making them suitable for use on beaches or in wet environments.

Drawbacks:

There are some disadvantages to audio-based gold and metal detectors that should be considered when thinking about using them, and this highlights the difference between audio and imaging detectors:

  • Limited Depth: The effectiveness of these devices is sometimes limited in terms of depth, making them unable to detect targets located at greater depths.
  • Heaviness: Some devices can be heavy or bulky, making prolonged use uncomfortable for the user.
  • Accuracy Issues: These devices may struggle to accurately identify the type of metal, potentially giving off false or similar signals for various metals.
  • Environmental Interference: They can be affected by environmental factors, such as mineral-rich soil or the presence of other metals, causing inaccurate signals.
  • Skill Requirement: Some devices require a certain level of knowledge and experience to correctly interpret the signals, which may not be suitable for beginners.
  • Maintenance: Metal detectors require regular maintenance to ensure they continue performing well, which might take extra time and effort.
  • Cost: Some of these devices can be expensive, making them inaccessible to everyone.

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