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gem detector Manufacturers

I have found results from400+products and200+suppliers aboutgem detector

Shenzhen Dexin Industrial Co., Ltd.mic-icon
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High-Performance Long-Range Gold and Gemstone Detector for Professionals

High-Performance Long-Range Gold and Gemstone Detector for Professionals

US$799.00-900.00
1 Piece(MOQ)
Sample Available
Efficient Hand Held Metal Detector for Gold and Gemstone Searches

Efficient Hand Held Metal Detector for Gold and Gemstone Searches

US$825.00-1,563.00
1 Piece(MOQ)
Sample Available
Heavy-Duty Gold Metal Detector for Gemstones and Precious Metals

Heavy-Duty Gold Metal Detector for Gemstones and Precious Metals

US$825.00-1,563.00
1 Piece(MOQ)
Sample Available
Industrial Gold Detector for 10m Depth Treasure and Gemstone Finding

Industrial Gold Detector for 10m Depth Treasure and Gemstone Finding

US$699.00-899.00
1 Piece(MOQ)
Sample Available
High-Performance Gold Metal Detector for Gemstone and Silver Searching

High-Performance Gold Metal Detector for Gemstone and Silver Searching

US$699.00-899.00
1 Piece(MOQ)
Sample Available
Heavy-Duty Underground Metal Detector for Gold and Gemstone Exploration

Heavy-Duty Underground Metal Detector for Gold and Gemstone Exploration

US$699.00-899.00
1 Piece(MOQ)
Sample Available
Handheld Metal Detector for Gemstone Gold Digger Finder Use

Handheld Metal Detector for Gemstone Gold Digger Finder Use

US$65.00-100.00
1 Piece(MOQ)
Sample Available
Underground Gem Diamond Gold Copper Gold Metal Detector

Underground Gem Diamond Gold Copper Gold Metal Detector

US$185.00-199.00
1 Piece(MOQ)
Sample Available
Ground Search Metal Detector with LED Indicator for Gemstone Exploration

Ground Search Metal Detector with LED Indicator for Gemstone Exploration

US$21.00-24.00
1 Piece(MOQ)
Sample Available
Professional Underground Detector for Precious Metal and Gem Finds

Professional Underground Detector for Precious Metal and Gem Finds

US$206.00-236.00
1 Piece(MOQ)
Sample Available
Reliable Silver Copper Detector for Gold and Gem Exploration

Reliable Silver Copper Detector for Gold and Gem Exploration

US$206.00-236.00
1 Piece(MOQ)
Sample Available
Long Range Gems Diamond Gold Metal Detector with 3 Antennas Handheld Type

Long Range Gems Diamond Gold Metal Detector with 3 Antennas Handheld Type

US$109.00-125.00
1 Piece(MOQ)
Sample Available
Long Range Gold Detector for Silver Gem Diamond Golden

Long Range Gold Detector for Silver Gem Diamond Golden

US$206.00-236.00
1 Piece(MOQ)
Sample Available
Ultimate Gold Detector for Finding Deep Silver and Gems

Ultimate Gold Detector for Finding Deep Silver and Gems

US$206.00-236.00
1 Piece(MOQ)
Sample Available
Diamond Detector for Gemstone Gold Digger Finder

Diamond Detector for Gemstone Gold Digger Finder

US$33.00-45.00
1 Piece(MOQ)
Sample Available
Reliable Gold Detector for Enthusiasts and Treasure Seekers

Reliable Gold Detector for Enthusiasts and Treasure Seekers

US$699.00-899.00
1 Piece(MOQ)
Sample Available
Precision Ground Search Detector for Gold and Copper Treasure Hunting

Precision Ground Search Detector for Gold and Copper Treasure Hunting

US$699.00-899.00
1 Piece(MOQ)
Sample Available
Walk Through Metal Detector for Professional Gold and Silver Detection

Walk Through Metal Detector for Professional Gold and Silver Detection

US$699.00-899.00
1 Piece(MOQ)
Sample Available
10m Depth Treasure Detector for Professional Gold and Silver Searching

10m Depth Treasure Detector for Professional Gold and Silver Searching

US$699.00-899.00
1 Piece(MOQ)
Sample Available
Premium Diamond Metal Detector for Discovering Hidden Treasures

Premium Diamond Metal Detector for Discovering Hidden Treasures

US$31.00-39.00
1 Piece(MOQ)
Sample Available
Ultimate Gold Hand Held Metal Detector for Deep Silver Gem Discovery

Ultimate Gold Hand Held Metal Detector for Deep Silver Gem Discovery

US$206.00-236.00
1 Piece(MOQ)
Sample Available
Handheld Diamond Detector for Uncovering Hidden Treasures and Gems

Handheld Diamond Detector for Uncovering Hidden Treasures and Gems

US$43.00-62.00
1 Piece(MOQ)
Sample Available
Powerful Detector for Gold and Diamond Detection

Powerful Detector for Gold and Diamond Detection

US$206.00-236.00
1 Piece(MOQ)
Sample Available
Gold and Diamond Detector with Advanced Underground Search Features

Gold and Diamond Detector with Advanced Underground Search Features

US$43.00-55.00
1 Piece(MOQ)
Sample Available
Advanced Underground Metal Detector with LED Indicator for Uncovering Buried Gems

Advanced Underground Metal Detector with LED Indicator for Uncovering Buried Gems

US$21.00-24.00
1 Piece(MOQ)
Sample Available
Versatile Diamond Detector for Aspiring Treasure Hunter Collectors

Versatile Diamond Detector for Aspiring Treasure Hunter Collectors

US$7.00-8.00
1 Piece(MOQ)
Sample Available
Advanced Gold Detector with LCD Display for Treasure Hunters and Seekers

Advanced Gold Detector with LCD Display for Treasure Hunters and Seekers

US$55.00-68.00
1 Piece(MOQ)
Sample Available
Professional Gold Detector for Treasure Hunter with Sound Alarm

Professional Gold Detector for Treasure Hunter with Sound Alarm

US$118.00-138.00
1 Piece(MOQ)
Sample Available
Handheld Diamond Detector for Jewelry and Precious Metal Exploration

Handheld Diamond Detector for Jewelry and Precious Metal Exploration

US$25.00-28.00
1 Piece(MOQ)
Sample Available
Gold Precious Detector with Alarm Indication and Lightweight Design

Gold Precious Detector with Alarm Indication and Lightweight Design

US$9.00-13.00
1 Piece(MOQ)
Sample Available
Handheld Diamond Detector for Water Proof Treasure Searching Adventures

Handheld Diamond Detector for Water Proof Treasure Searching Adventures

US$12.50-15.00
1 Piece(MOQ)
Sample Available
Handheld Diamond Detector with High-Performance Gold Finder Features

Handheld Diamond Detector with High-Performance Gold Finder Features

US$118.00-138.00
1 Piece(MOQ)
Sample Available
Handheld Diamond Detector with Advanced LCD Display and Sensitivity Features

Handheld Diamond Detector with Advanced LCD Display and Sensitivity Features

US$54.00-82.00
1 Piece(MOQ)
Sample Available
Gold and Silver Detector with Digital Display and 9V Battery Operation

Gold and Silver Detector with Digital Display and 9V Battery Operation

US$9.00-13.00
1 Piece(MOQ)
Sample Available
Ultimate Gold Metal Detector for Dedicated Treasure Hunter Professionals

Ultimate Gold Metal Detector for Dedicated Treasure Hunter Professionals

US$7.00-8.00
1 Piece(MOQ)
Sample Available
High Sensitivity Gold Metal Detector for Treasure Hunting with LCD Display

High Sensitivity Gold Metal Detector for Treasure Hunting with LCD Display

US$55.00-68.00
1 Piece(MOQ)
Sample Available
Gold Silver Copper Detector with LCD Display and Audio Notification

Gold Silver Copper Detector with LCD Display and Audio Notification

US$33.00-45.00
1 Piece(MOQ)
Sample Available
Handheld Gold Detector with Vibration Alerts and Lightweight Design

Handheld Gold Detector with Vibration Alerts and Lightweight Design

US$9.00-13.00
1 Piece(MOQ)
Sample Available
Metal Detector Diamond Detector for Finding Hidden Treasures Outdoors

Metal Detector Diamond Detector for Finding Hidden Treasures Outdoors

US$52.00-69.00
1 Piece(MOQ)
Sample Available
Diamond Detector with LED Indicator for Discovering Hidden Treasures

Diamond Detector with LED Indicator for Discovering Hidden Treasures

US$21.00-24.00
1 Piece(MOQ)
Sample Available
Metal Detector Gold and Silver Detector with Vibration Alarm Feature

Metal Detector Gold and Silver Detector with Vibration Alarm Feature

US$9.00-13.00
1 Piece(MOQ)
Sample Available
Ground Search Metal Detector for Diamonds and Precious Metals

Ground Search Metal Detector for Diamonds and Precious Metals

US$52.00-69.00
1 Piece(MOQ)
Sample Available
Gold Detector with Buzzer Alarm and 9V Battery Power Supply

Gold Detector with Buzzer Alarm and 9V Battery Power Supply

US$9.00-13.00
1 Piece(MOQ)
Sample Available
New Product RF Signal Scanner Anti Spy Bug Detector Hidden Camera Finder GPS Detector for GPS Tracker

New Product RF Signal Scanner Anti Spy Bug Detector Hidden Camera Finder GPS Detector for GPS Tracker

US$29.00-34.00
1 Piece(MOQ)
Sample Available
Ground Search LCD Metal Detector with LCD Display and Audio Notifications

Ground Search LCD Metal Detector with LCD Display and Audio Notifications

US$33.00-45.00
1 Piece(MOQ)
Sample Available
Hidden Camera Detector Anti-Spy Eavesdropping GPS Tracker Finder GSM Wireless Signal Detector

Hidden Camera Detector Anti-Spy Eavesdropping GPS Tracker Finder GSM Wireless Signal Detector

US$19.99-22.00
5 Pieces(MOQ)

Sourcing guidance for Gem Detector

What are the key technologies to consider when selecting a professional gem detector?

Buyers should prioritize devices utilizing Thermal Conductivity (Diamond Testers), Refractive Index (Refractometers), or Advanced Spectroscopic Analysis (Raman/UV-Vis). For high-end procurement, ensure the device can distinguish between natural diamonds, lab-grown diamonds (CVD/HPHT), and moissanite. Look for sensors with high sensitivity and automatic calibration features to ensure accuracy across various ambient temperatures.

Which compliance standards and certifications are mandatory for electronic gem testing equipment?

To ensure international market entry and safety, the equipment must carry the CE Mark (Europe) and FCC Certification (USA). Since these are precision instruments, look for suppliers with ISO 9001 quality management systems. If the detector uses laser technology, it must comply with IEC 60825-1 laser safety standards to protect the operator's vision.

How do I evaluate the functional suitability of a gem detector for different usage scenarios?

For fieldwork or retail counters, prioritize portable, battery-operated handheld testers with LED/Audio indicators. For laboratory or industrial grading, select benchtop spectrometers that offer data logging and PC connectivity. Ensure the probe tip is made of high-quality materials like copper or gold-plated alloys to prevent scratching delicate gemstones while maintaining electrical conductivity.

What are the technical compatibility requirements for digital gem detectors?

Modern detectors should offer Bluetooth or USB connectivity for integration with inventory management software. Verify if the supplier provides proprietary software updates to keep the gemstone database current, especially for identifying new synthetic treatments. Compatibility with Android/iOS apps is a significant advantage for real-time reporting in B2B transactions.

Cross-Border Procurement Risks and Strategies for Gem Detectors

How can I mitigate the risk of purchasing inaccurate or counterfeit testing equipment?

Always request a third-party calibration certificate before shipment. Conduct a factory audit via video call to verify the supplier's testing laboratory. On Made-in-China.com, prioritize Audited Suppliers who have undergone on-site verification by independent inspection companies like SGS or Intertek.

What are the best negotiation strategies for bulk orders of precision instruments?

Negotiate for extended warranties (24+ months) and the inclusion of spare probe tips, which are wear-and-tear items. For orders exceeding 50 units, request OEM branding (logo printing) and a 5-10% discount on the unit price. Ask for tiered pricing based on annual purchase volume rather than a single transaction.

What should be considered regarding international shipping and customs for electronic detectors?

Gem detectors often contain lithium batteries, which are classified as Dangerous Goods (UN3481). Ensure the supplier provides a Material Safety Data Sheet (MSDS) and uses specialized couriers like DHL or FedEx for 'Battery-in-Equipment' shipping. Clearly define Incoterms (preferably DAP or CIF) to clarify responsibility for import duties and local taxes.

How can I ensure transaction security when dealing with high-value equipment suppliers?

Utilize Secured Payment services provided by Made-in-China.com to ensure funds are only released after the goods pass inspection. For large-scale procurement, consider using a Letter of Credit (L/C) or a 30% deposit / 70% balance after inspection payment structure to minimize financial exposure.

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