Description
Teknetics Delta 4000: The Simple Machine That Does the Three Things That Matter
A first detector needs to do three things well: tell you what the target probably is, tell you how deep it sits, and put your digger on it. The Delta 4000 nails all three for $189: a 2-digit numeric target ID with three honest audio tones, a running depth readout from 0 to 8 in (0 to 20 cm) that updates as you sweep, and a fully static push-button pinpoint that ends the guess-digging that makes beginners quit.
Why the Delta 4000
Its 7.8 kHz frequency is the classic coin-hunting sweet spot: strong on the silver, copper, and clad that fills parks and yards, calm enough to stay quiet in ordinary ground. Discrimination mode for trashy areas and true All Metal for open fields cover the two hunts a new detectorist actually does. At 2.6 lb (1.2 kg) it is genuinely light, the 8 in (20 cm) concentric coil is waterproof for creek edges, and a single 9V battery runs up to 25 hours. One market note worth knowing: one of the biggest specialist dealers in the country has sold out of the Delta for good as they exit the brand; we stock it as part of carrying the full Teknetics line, with the Alpha below it and the Gamma above it when you want to compare.
Specifications
| Spec | Delta 4000 |
|---|---|
| Operating frequency | 7.8 kHz |
| Target ID | 2-digit numeric on large LCD |
| Depth | Running indicator, 0 to 8 in (0 to 20 cm) |
| Modes | Discrimination and All Metal |
| Audio | 3-tone discrimination |
| Pinpoint | Fully static, push-button |
| Search coil | 8 in (20 cm) concentric, waterproof |
| Weight | 2.6 lb (1.2 kg) |
| Power | 9V alkaline, up to 25 hours |
| Built | Teknetics (First Texas Products), Made in the USA |
What's included
- Delta 4000 control unit and shaft with 8 in (20 cm) waterproof concentric coil
- Teknetics factory warranty (First Texas Products)
History Seekers is an authorized Teknetics dealer with the full line in stock. First machine for you or the family? Call (256) 284-2247 and we will fit the detector to the hunter. The story is more important than the artifact.
Frequently Asked Questions
Is the Teknetics Delta 4000 good for beginners?
It is one of the most sensible first detectors sold: numeric target ID, three tones, a live depth readout, and push-button pinpoint, with nothing confusing added.
How deep does it read?
The running depth indicator estimates coin-sized targets from 0 to 8 in (0 to 20 cm) as you sweep.
Is it waterproof?
The 8 in (20 cm) concentric coil is waterproof; the control housing is not submersible.
Delta 4000 or Gamma 6000?
The Gamma adds adjustable ground balance and a mineralization readout for hot soil. In ordinary ground the Delta gives up nothing that matters; in mineralized ground the Gamma earns its extra cost.
What battery does it use?
One 9V alkaline battery, good for up to 25 hours.