The Minelab Equinox 800 is one of the most popular metal detectors around, and its TID reading for copper is equally impressive. It comes with built-in features that allow it to perform well under different conditions and has the capacity to identify different kinds of metals. As we started tracking down copper tiles, we came across the book which fundamentally breaks it down extremely well and gives pointers and tips that aid copper tile digging.
What Is a TID Reading on the Equinox 800?
The TID reading on Equinox 800 is a number which ranges from –9 to 40 which captures the ferrous/non-ferrous characteristic of the material picked. It is marked with ‘-’ or negative polarity to show low conductivity materials while positive values show higher conductive metals detected.
For example:
- Low TID values (negative numbers to low teens) often indicate ferrous metals.
- Higher TID values (20–40) typically represent non-ferrous metals, such as copper, silver, and gold.
Hence, overall TID reading contributes towards lesser false digging and gives accurate readings.
Standard TID Measurements for Copper on the Equinox 800
On the Equinox 800, TID readings for copper average between 20 and 25. Due to copper’s high conductivity, this reading can shift based on:
- Size and shape of the copper item: Larger items like copper pipes or plates often produce higher TID readings.
- Depth of the target: Deeper copper items may register slightly lower readings due to signal attenuation.
- Soil mineralization: High mineral content in the soil can slightly distort TID values.
- Corrosion or oxidation: Heavily corroded copper items might produce lower or fluctuating readings.
Understanding How Copper TID Readings Vary
In most cases, copper stays within the 20-25 range, but in some cases it may drift. Reasons behind this include:
- Mixed Metal Objects
Copper that is alloyed with other metals bronze or brass may display readings that are not within the normal range. - Environmental Factors
- Wet soils tend to raise TID value because they can enhance conductivity.
- Soils with high mineral content may increase interference, which may lead to unstable readings.
- Orientation of the Target
More disorderly or vertically orientated TID items tend to produce less stable readings than a flat lying copper sheet or coin.
Guidelines for Successful Copper Detection with the Equinox 800
- Correct Mode
The Equinox 800 offers several modes, including Park, Field, Beach, and Gold. For copper hunting:- Park Mode 1 is ideal for coins and relics in urban settings.
- Field Mode 1 works well in open areas like farms or historical sites.
- Adjust Sensitivity
Copper responds to moderate levels, too high makes noise and too low causes the loss of small copper items. - Ground Balance
Ensure the metal detector is properly ground balanced to minimize interference from soil minerals. - Check for Consistent Signals
Copper items usually produce stable, repeatable TID readings. Swing the coil over the target from different angles to confirm.
Key Features of the Equinox 800 That Enhance Copper Detection
- Multi-IQ Technology
The Equinox 800 uses simultaneous multi-frequency detection, ensuring reliable performance across various terrains and target types, including copper. - Customizable Target Tones
Users can assign specific tones to TID ranges, making it easier to identify copper without constantly glancing at the screen. - Depth Indicator
The depth gauge provides an estimate of how deep the detected copper item is, helping you decide whether to dig.
Common Copper Items Detected with the Equinox 800
Copper is a versatile metal, and you’re likely to come across a variety of items, such as:
- Coins: Old copper pennies, large cents, or colonial coins.
- Artifacts: Buttons, buckles, and other historical relics.
- Industrial Scraps: Pipes, wires, and fittings.
- Jewelry: Bracelets, rings, or ornamental items.
Comparing Copper TID Readings with Other Metals
Having comparison between TID range for other metal objects will help know how bronze signal will be earned. Use this guide for quick reference
| Metal | Typical TID Range |
|---|---|
| Iron | -9 to 0 |
| Gold (small) | 5–15 |
| Aluminum | 15–20 |
| Copper | 20–25 |
| Silver | 30–40 |
Equinox 800 Practical Scenarios: Copper Detection
- Urban Areas
In parks or playgrounds, copper coins and jewelry often surface in areas with high foot traffic. - Farmlands and Historical Sites
These locations may yield copper artifacts, buttons, or tools from historical periods. - Riversides and Beaches
Although less common, copper items can be found in areas where settlers once lived or traded.
FAQs
1. What is the typical range for detecting copper items?
Copper items usually fall in the TID range of 20–25 on the Equinox 800. However, environmental factors and object composition can influence readings.
2. Can the TID reading change based on soil type?
Yes, soil mineralization and moisture levels can affect conductivity and slightly alter the TID value.
3. Is it possible to confuse copper with other metals?
Yes, metals like brass or aluminum may sometimes produce similar TID readings, so confirming with audio tones and depth indicators is helpful.
4. What settings are best for finding copper coins?
Park Mode 1 or Field Mode 1, with moderate sensitivity and proper ground balance, are ideal for detecting copper coins.
5. How can I distinguish a high-conductivity metal like copper from silver?
Copper generally has a lower TID than silver (20–25 vs. 30–40). Observing stable signals and depth indicators can help differentiate.
Conclusion
The Minelab Equinox 800 is a powerful tool for detecting copper items, thanks to its advanced features like Multi-IQ technology and customizable settings. By understanding the typical TID range for copper (20–25) and applying best practices, metal detecting enthusiasts can maximize their success and uncover valuable finds.
Whether you’re searching for historical relics, coins, or artifacts, the Equinox 800’s accurate TID system ensures a rewarding and efficient experience. Happy detecting!
