DongGuan HongTuo Instrument Co.,Ltd

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DH-300K Digital gold tester , Portable Electronic Gold Tester with Printer

China DongGuan HongTuo Instrument Co.,Ltd certification
China DongGuan HongTuo Instrument Co.,Ltd certification
We use the DH-300 here in Madison and it works well for us. Sample size we use is 3” x 3” which is about the max size. Would be better if one of the other models can use a larger sample size.

—— Tony Warrington

I am really very satisfied. Serious and fast team. Effective after sales service. I recommend this company. Delivery time very fast. Good prices.

—— jean luc di vanno

Producto de calidad. Envío rápido. Volveré a comprar. Gracias

—— jordi sorribas

Merci du suivi de ce colis et d'avoir fait le maximum pour une livraison très rapide comme promis

—— Jean Bourlet

excellent vendeur, réponds très rapidement au mail. reçu en 1 semaine de la chine vers la France.

—— gilbert munoz

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DH-300K Digital gold tester , Portable Electronic Gold Tester with Printer

DH-300K Digital gold tester , Portable Electronic Gold Tester with Printer
DH-300K Digital gold tester , Portable Electronic Gold Tester with Printer DH-300K Digital gold tester , Portable Electronic Gold Tester with Printer

Large Image :  DH-300K Digital gold tester , Portable Electronic Gold Tester with Printer

Product Details:
Place of Origin: dongguan
Brand Name: DahoMeter
Certification: CE, FCC
Model Number: DH-300K
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: USD399-USD1299
Packaging Details: 42 X 16 X 32cm for Gold Measuring Machine
Delivery Time: 2 days for Gold Measuring Machine
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram,Other
Supply Ability: 300 Set/Sets Month
Detailed Product Description
Power Supply: European Type;American Type;British Type;Australian Type Customized: Yes
Density Resolution: 0.001 G/cm3 Maximum Weight: 300g
Minimum Weight: 0.005g Interface: RS - 232
Warranty: Two Years;life-long Maintenance Testing Before Delivery: Yes
Usage: Gold Measuring Machine Stock: Yes
High Light:

precious metal analyzer machine


electronic precious metal tester


DH-300K Digital Gold Tester , Portable Electronic Gold Tester with Printer





pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing Center,precious metals researching.etc.


In accordance with archimedes principle water buoyancy method, GB/T1423 of precious metals testing standard,and so on.


Combine archimedes principle with micro electronic technique;adopt sensor imported from Germany,the purity can be calculated through measuring density of precious metals.features of no damage on sample;simple operation,fast and accurate.


K value of gold,PT value of platinum,density value,purity percentage can be measured.




Model Density resolution Maximum weight Weight resolution Model
DH-300K 0.001g/cm3 300g 0.005g Gold,platinum
DH-600K 0.001g/cm3 600g 0.005g Gold,platinum
DH-900K 0.001g/cm3 900g 0.01g Gold,platinum
DH-1200K 0.001g/cm3 1200g 0.01g Gold,platinum
DA-300K 0.001g/cm3 300g 0.005g Gold,platinum,density
DA-600K 0.001g/cm3 600g 0.005g Gold,platinum,density
DA-900K 0.001g/cm3 900g 0.01g Gold,platinum,density
DA-1200K 0.001g/cm3 1200g 0.01g Gold,platinum,density
DE-120K 0.001g/cm3 120g 0.001g Gold,platinum,density
DE-200K 0.001g/cm3 200g 0.001g Gold,platinum,density





  • Quickly measure the purity of gold,platinum,and other precious metals.Distinguish if the object is fake or genuine.
  • No damage testing, cleaning and environmental protection.
  • Measuring just need 10 seconds,convenience,stabilization,and accuracy.
  • Multi-mode,gold mode,platinum mode,other precious metals mode can be shifted..
  • Multi-function;the purity of other precious metals can be measured.such as tin,copper,silver.etc.also it can be used as precision balance.
  • Function of top and bottom limitation,it can display OK,HI,LO in the state of
  • qualified,exceed,less.Prompt alarm.
  • Function of automatic zero tracking,buzzer warning,and overload warning.
  • Function of solution compensation.Either water or other liquids can be used as medium.
  • Adopt the completed high-capacity measuring accessories with the transparent injection mould tank,which can resist wear,fall off,and corrosion.
  • Adopt the completed special wind and dust cover,which makes the structure convenient and durable.
  • Interface of RS-232C is included.the printer of DE-40 will be available to connect PC with machine


Measurement Procedure:


a)Place sample on testing board to measure weight in air,press ENTER key to memory.

b)Place sample into water to measure the weight in water,press ENTER key.the K value of gold,purity percent,density value will be displayed.



Standard accessories:


Host,sink,test board,tweezer,thermometer,weight,wind and dust cover,a set of measuring particle parts,a set of measuring floating body parts,power transformer


Contact Details
DongGuan HongTuo Instrument Co.,Ltd

Contact Person: Mrs. Julie Zhong

Tel: 86-13267004347

Fax: 86-769-2318-1253

Send your inquiry directly to us (0 / 3000)