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DH-900K Electronic Digital Precious Metal Tester, Gold Testing Machine

DH-900K Electronic Digital Precious Metal Tester,  Gold Testing Machine
DH-900K Electronic Digital Precious Metal Tester, Gold Testing Machine
Price And Quantity
  • 1
  • Set/Sets
  • 699.00 - 1299.00 USD ($)
Product Specifications
  • Plastic
  • Europe Standard AC 100V - 240V
  • Europe Standard AC 100V - 240V Volt (V)
  • 0.001g/cm3 mm
  • Digital Only
  • 0.01g
    Product Description

    DH-900K Electronic Digital Precious Metal Tester,  Gold Testing Machine

    Please be noted that the machine has limited function which is determined by its' principle.

    Following gold type can NOT be tested:

    (1)gold has any decoration.

    (2)gold has the painting.

    (3)gold inside is hollow.


    Pawn broking, bank, jewellery shop, precious-metals recovery, jewellery 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.


    Density resolution:0.001g/cm3
    Maximum weight:600g
    Weight resolution:0.005g


    • 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

    Data Table



    Maximum weight300g600g900g1200g300g600g900g1200g120g200g
    Weight resolution0.005g0.005g0.01g0.01g0.005g0.005g0.01g0.01g0.001g0.001g
    Density resolution0.001g/cm3
    Measuring time10S
    Testing boardCompleted high-capacity plastic testing board
    Measuring typeTraditional gold and platinum jewelry,necklace,bracelet,ring,large bullion,craft,and gold,silver,copper,cadmium,nickel,tin.etc.

    Gold mode

    Display k value

    The K value of mixture of gold,silver,and copper;
    The K value of mixture of gold and copper;
    The K value of mixture of gold and silver;

    Display purity percent

    The purity percentage of mixture of gold,silver and copper; ;
    The purity percentage of mixture of gold and copper;
    The purity percentage of mixture of gold and silver;

    K value range9K~24K
    Copper and silver proportion settingCycle seting(default 7:3)


    Display valuePT percent,density value,volume
    PT value rangePt600 - Pt1000
    Other Precious MetalsFunctionOnly for DA series and DE series:measure the purity percentage of main materials in two kinds of mixture
    Display valueOnly for DA series and DE series:density value,volume,content precentage
    settingOnly for DA series and DE series:density value of main materials and secondary materials setting
    Measuring container

    completed injection forming transparent professional measuring tank
    (size:length16.9mm high8.3mm)

    Parameter settingwater temperature setting,measuring medium density setting
    principleArchimedes principle
    Memory methodTwo procedures
    Correction methodAuto calibration with one key,auto detection.
    Output methodOutput and print testing data conveniently with standard communication interface of RS-232C.
    Standard accessoriesHost,tank,test board,tweezer,thermometer,weight,wind and dust cover,a set of measuring particle parts,a set of measuring floating body parts,power transformer
    wind and dust coverAdopt the unicase dedicated wind and dust cover
    Option accessoriesDE-40 printer
    powerAC 100V - 240V(Europe standard)
    Main featuresSimple operation,digital display,accurate measuring,stable,durable.

    Shipping & Handling

    Items will be shipped out within 3 to 5 working days upon verification payment.

    Items will be shipped out via Fedex,DHL or UPS.it will take around 5 to 7 days to get your door given considering everything goes well.


    Carton box

    Customer Satisfaction

    Please don't hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction.


    Since your feedback is very important to our business`s development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It`ll just take you 1 minute. Thank you!

    Our Services

    • 100% Competitive price we are the original manufacturer of densimeter for years, the large scale production make our products more competitive, that's the reason we are very confident to offer the most possible competitive price for the same level testing instruments in the world.
    • High quality standards  we have the powerful professional researching and technology team to support quality;Our quality has been proved by the good market reaction for years;Our product are built to meet the industrial standards and global standards;Every instrument get checked and approved by our QC before delivery.
    • Faultless service we have the professional customer service team to provide the one to one service for you;we can help you to enjoy the one-stop service without any worries;we have the completed after-sales service policy and quality insurance policy;we guarantee instruments for one year and life-long maintenance(Gold Purity Tester for two years)
    • Efficient logistics  we have the stable partner to help us to deliver the goods to the any corner of the worldwide shortly.Air shipment;International express:DHL/UPS/FEDEX/TNT(5 days to 7 days)
    • OEM service  We are the original manufacturer of densimeter,that is verified by the third party and Alibaba on site;We can provide you OEM service and print your logo on the instruments.
    Trade Information
    • shenzhen
    • 300 Per Month
    • 3-7 Days
    • Contact us for information regarding our sample policy
    • standard exporting package
    • All India
    • CE,FCC,ISO9001:2015
    Contact Us

    Floor 8th, HengMei Building, No 81, GuanTai Road, Nancheng District, Dongguan, Guangdong, 523071, China
    Phone :86-769-22403424