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The Nokta 8-inch scuba coil extends your PulseDive's range to 65 feet underwater, delivering reliable target detection in saltwater wrecks, freshwater rivers, and shallow reef sites. PulseDive owners working deeper water need the expanded search coverage and deeper depth penetration this 8-inch diameter provides. Paired with a bright yellow construction for excellent visibility in low-light environments, it allows you to maximize your time on the water. To better understand how these systems operate underwater, you can read more about standard metal detector technologies and how they handle mineralization. The included protective cover guards against coral scrapes and rock impacts during extended dive sessions, keeping your gear safe.
What's Included with the Nokta 8" Scuba Coil
- Nokta 8-inch scuba coil (yellow) for PulseDive scuba detector
- Protective coil cover
Why PulseDive Owners Reach for the 8" Scuba Coil
- Waterproof to 65 feet: handles serious underwater detecting in saltwater and freshwater environments without depth restrictions for recreational diving.
- 8-inch diameter balances coverage and target separation: provides wider coverage for area searches, tight enough for wreck debris fields.
- Bright yellow construction: high-visibility color helps you track search patterns in murky water and locate the detector if dropped during a dive.
- Protective cover included: guards the coil face from underwater hazards like sharp rocks, coral, and metal debris that can scratch or crack the housing.
- Field-replaceable design: swap coils between dives without tools, carry a spare for extended trips or multi-day charters.
Deeper Coverage in Saltwater Wreck Sites
Scanning Debris Fields Around Shallow Reefs
The 8-inch coil gives PulseDive users wider ground coverage when working scattered wreck debris or coin drops around reef structures. The diameter sweeps more area per pass, cutting search time on large sites. Designed for saltwater detecting, targets register clearly even in challenging underwater environments. The protective cover is critical here: coral and barnacle-encrusted metal can gouge an unprotected coil face during tight maneuvering.

River Detecting in Fast-Moving Current
Fast current in rivers and streams demands a coil you can control with one hand while bracing against rocks. The 8-inch size provides good coverage for gravel bars and underwater terrain. The yellow housing stays visible in silty water where a black coil would disappear. Divers working rivers for lost jewelry, old coins, or prospecting targets appreciate the quick-swap design when moving between different detecting scenarios.
Specifications
- Compatibility: Nokta PulseDive scuba detector
- Coil Diameter: 8 inches (20cm)
- Waterproof Rating: 65 feet (20 meters)
- Color: Yellow
- Included Accessories: Protective coil cover
- Warranty: Manufacturer warranty through authorized Nokta dealer
Why Buy from Serious Detecting
We are an authorized Nokta dealer, so your 8-inch scuba coil ships with full manufacturer warranty coverage and access to Nokta's technical support network. Our team runs waterproof metal detectors - fully submersible models in saltwater and freshwater environments, and we stock the full range of metal detector search coils: dd, concentric, monoloop & sef upgrades for serious underwater hunters. Every order ships free, and our 30-day return policy covers fit and function so you can test the coil on your next dive. Price-match guarantee ensures you pay the lowest authorized price.
Customer Questions & Expert Answers
Customer Reviews & Field Feedback
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