Tianxun MD-3020 Underground Metal Detector

9,800.00৳

Main Features

Model: MD‑3020
Mechanical view meter + tone ID
7.9″ waterproof search coil
Adjustable stem (40″–49.6″)
3.5 mm headphone output
High sensitivity to coins / targets
Power-efficient 2 × 9 V design
Reliable shallow-water search capability

Category: Metal Detector

Description
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Tianxun MD-3020 Underground Metal Detector Details

Specification	Details
Model	MD‑3020 Ground / Underground Metal Detector
Operating Frequency	~6.25 kHz
Power Supply	2 × 9 V (6F22) batteries
Search Coil	7.9″ (200 mm) waterproof coil
Detection Modes	4 operating modes: All Metal, Discrimination, Tone, Target
Target Indication	Mechanical view meter + sound tone
Sensitivity / Depth	US 50‑cent coin up to ~180 mm
Adjustable Shaft	Yes, 40.2″ – 49.6″ (approx)
Headphone Jack	3.5 mm audio output
Current Consumption	Standby: ~10 mA, Max: ~110 mA
Operating Voltage Range	7.2 – 9.6 V
Weight	~2.5 kg (packaged)

The MD‑3020 Underground Metal Detector is designed for serious hobbyists and beginner treasure hunters alike, offering excellent functionality and depth performance. It supports four detection modes — All Metal for maximum sensitivity, Discrimination to ignore junk metals, Tone mode for different pitch alerts, and Target (pinpoint) mode to precisely locate buried objects. One of its standout features is the mechanical view meter, which gives a visual indication of signal strength, complemented by distinct audio tones for different types of metal. Its waterproof 7.9″ search coil allows use in damp ground or shallow water, expanding your treasure-hunting potential.

Powered by two 9 V batteries, the MD‑3020 balances portability with long runtime. Its adjustable shaft (40–49.6 in) makes it comfortable for users of different heights, and a 3.5 mm headphone jack enables private listening for faint signals.With a detection sensitivity capable of identifying a 50-cent coin at a depth of around 180 mm, this detector is well-suited for coin hunting, relic finding, and gold-seeking in Bangladesh and beyond.

What is the price of Tianxun MD-3020 Underground Metal Detector in Bangladesh?

The MD‑3020 is not commonly stocked in mainstream Bangladeshi electronics stores, but you may find it via importers or specialty metal detector shops. Prices fluctuate based on import cost, so check with trusted metal detector retailers in Bangladesh or search for international listings with local shipping.

FAQs with Answers

How many detection modes does the MD‑3020 have?

It has 4 modes: All Metal, Discrimination, Tone, and Target/Pinpoint.
Is its search coil waterproof?

Yes — the 7.9″ coil is waterproof, making it usable in wet soil.
Can I connect headphones?

Yes, it has a 3.5 mm headphone jack.
What power source is needed?

It uses 2 × 9 V (6F22) batteries.
What is its approximate detection depth?

For a coin-sized target (US 50‑cent), it can detect up to ~180 mm under good conditions.