You've found a target with your metal detector, but now you're digging around trying to locate the exact spot. This is where a pinpointer becomes your best friend. A pinpointer is a handheld metal detecting device that pinpoints the precise location of metal objects within a small detection area, typically 2-4 inches.
Unlike your main detector that covers large ground areas, pinpointers work in tight spaces and give you surgical precision when recovering targets. They're especially valuable when you don't want to damage delicate jewelry or need to locate survey stakes without disturbing the surrounding area.
How Does a Pinpointer Work?
Pinpointers operate on the same basic principle as metal detectors but with a much smaller detection field. Most use VLF (Very Low Frequency) technology to detect metal objects. The concentrated detection field means you'll get a strong signal only when the tip is very close to your target.
The detection range varies by model, but most quality pinpointers detect coin-sized objects at 1-3 inches. Larger objects like belt buckles or relics might trigger detection at 4-6 inches depending on the pinpointer's sensitivity settings.
When Should You Use a Pinpointer?
Your main metal detector identifies the general area where a target sits underground. But once you start digging, you'll often lose the exact location, especially in a hole filled with loose dirt. Here's when a pinpointer saves the day:
Protecting Valuable Finds
When your detector hits on what could be an old coin or piece of jewelry, you don't want to slice through it with a digging tool. The pinpointer lets you locate it precisely before your final extraction.
Speeding Up Recovery Time
Instead of re-scanning with your main detector or digging progressively larger holes, the pinpointer cuts straight to the target. This dramatically reduces the time spent on each find.
Working in Difficult Terrain
Rocky areas, root systems, and tight spaces where your main coil won't fit become manageable with a pinpointer. You can probe between rocks or slide it along tree roots to isolate targets.
Checking Dirt Piles
After digging, scan your dirt pile with the pinpointer to make sure the target didn't come up in the excavated soil. This prevents you from refilling a hole with your target still in the dirt.
Key Pinpointer Features to Consider
Waterproof Capability
If you detect at beaches or hunt after rain, waterproofing becomes essential. Most quality pinpointers offer at least 6-10 feet of waterproof depth, with some models like the Nokta PulseDive rated to 200 feet for serious underwater detecting.
Audio and Vibration Alerts
Good pinpointers use both audio tones and vibration to signal targets. The vibration feature proves invaluable when detecting in noisy environments or when using headphones with your main detector makes it hard to hear the pinpointer's audio.
Sensitivity Adjustment
Adjustable sensitivity lets you fine-tune the detection field. High sensitivity for tiny targets like small gold nuggets, lower sensitivity when dealing with large iron objects that might overwhelm the circuit.
Battery Life and Power Options
Look for pinpointers offering 20+ hours of battery life. Some models like the Quest XPointer include rechargeable batteries, while others use standard 9V batteries that you can replace in the field.
Top Pinpointer Comparison
| Pinpointer | Key Features | Water Resistance |
|---|---|---|
| Nokta AccuPoint | Bluetooth connectivity, wireless audio capability | Waterproof to 10 ft |
| Nokta PulseDive | Dual-purpose design, LED flashlight, dive mode, lost alarm | Waterproof to 200 ft |
| Garrett Pro AT | Scraping blade, 360° detection area, rugged construction | Waterproof to 10 ft |
| XP Waterproof PinPointer | 90-hour battery life, research mode via Deus compatibility | Waterproof to 20 ft |
| Quest XPointer | Rechargeable Li-Po battery, 50 sensitivity levels | Waterproof to 16 ft |
| Minelab Pro-Find Series | 5 sensitivity levels, rapid re-tune, LED flashlight | Waterproof to 10 ft |
| Teknetics Tek-Point | Single-button operation, 3 sensitivity levels, lost mode alarm | Waterproof to 6 ft |
Step-by-Step: How to Use a Pinpointer
Using a pinpointer effectively takes a bit of practice, but the basic technique is straightforward:
Step 1: After your metal detector signals a target, mark the spot and set your detector aside. Turn on your pinpointer and let it calibrate (most models auto-tune when powered up).
Step 2: Begin digging a small hole or probe around the marked area. Start with a 4-6 inch diameter hole rather than immediately going deep.
Step 3: Insert the pinpointer into the hole and slowly move it around the sides and bottom. The audio tone and vibration will intensify as you get closer to the target.
Step 4: Once you've narrowed down the location, carefully excavate around that specific spot. Check any removed dirt with the pinpointer to ensure you haven't scooped up your target.
Step 5: For deep targets, continue this process - dig incrementally and recheck with the pinpointer until you've recovered your find.
Pinpointer vs Metal Detector: Understanding the Difference
Your main metal detector excels at covering ground and detecting targets at depth. An 8-inch coil typically detects coin-sized objects to about 8 inches deep, while larger coils can find bigger objects much deeper.
Pinpointers sacrifice detection depth for precision. Where your main detector might give you a 12-inch wide target area, the pinpointer narrows that down to a 2-3 inch zone. This precision prevents damage to finds and speeds up recovery significantly.
Do You Need a Pinpointer for Metal Detecting?
While not absolutely essential, pinpointers have become standard equipment for most serious detectorists. If you're just starting out or only hunt occasionally, you can manage without one by using careful digging techniques and re-scanning holes with your main detector.
However, once you've used a quality pinpointer, going back to detecting without one feels like working with one hand tied behind your back. The time savings alone justifies the investment - you'll spend less time digging and more time finding targets.
Common Pinpointer Problems and Solutions
False Signals from Mineralized Soil
Highly mineralized ground can cause pinpointers to chatter or give false signals. Lower the sensitivity setting or use the retune function to calibrate to local soil conditions.
Interference from Main Detector
Some pinpointers pick up interference from nearby metal detectors. Turn off or move your main detector several feet away when using the pinpointer.
Lost Pinpointer Alarms
Many pinpointers include a lost alarm that activates if the unit sits motionless for several minutes. This prevents you from accidentally leaving your pinpointer in the field.
Maintenance Tips for Pinpointers
Pinpointers take more abuse than main detectors since they go directly into dirt and water. Clean the probe tip after each hunt to prevent soil buildup that can affect sensitivity. For waterproof models, rinse with fresh water after saltwater use.
Check the battery contacts regularly - corrosion from moisture can cause power issues. Most pinpointers use either 9V batteries or rechargeable packs, and keeping spare batteries ensures you won't be caught short during a hunting session.
A good pinpointer transforms your metal detecting from a hobby of general target hunting into precision treasure recovery. Whether you choose a basic model for occasional use or a feature-rich unit for serious detecting, the investment pays off in saved time and protected finds.
Now that you know what a pinpointer does, our best pinpointers for metal detecting guide ranks the top picks.
