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Guangdong Hongtuo Instrument Technology Co.,Ltd

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2000g Gold And Silver Precious Metal Tester For Jewelry Identification

2000g Gold And Silver Precious Metal Tester For Jewelry Identification

  • 2000g Gold And Silver Precious Metal Tester For Jewelry Identification
  • 2000g Gold And Silver Precious Metal Tester For Jewelry Identification
2000g Gold And Silver Precious Metal Tester For Jewelry Identification
Product Details:
Place of Origin: dongguan
Brand Name: Quarrz
Certification: CE, FCC
Model Number: AU-3000K
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: USD399-USD1299
Packaging Details: 42 X 16 X 32cm for gold testing machine
Delivery Time: Shipped in 3 days after payment
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram,other
Supply Ability: 300 Set/Sets per Month
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Detailed Product Description
Power Supply: Default As European Standard AC 100V - 240V OEM Service: Yes
Density Resolution: 0.001 G/cm3 Weight Resolution: 0.01g
Minimum Weight: 5g Interface: RS-232
Usage: Gold Testing Machine Capacity: 3000g
Stock: Yes After-sale Service Provided: Yes
High Light:

precious metal testing equipment


electronic precious metal tester

2000g Electronic Gold and Silver Tester ,Gold Purity and Karat Tester,Jewellery Gold Tester Equipment





pawnbroking,jewelry industry,banking industry,jewelry testing center,mining industry,precious metal recycling,precious metal materials researching laboratory.,etc.


These series instrument is the dramatic updating and upgrading products.Compared with other competing products,it has been focused on enhancing weighting resolution,simplified operation procedure and operation method,upgraded software application function,improved reliability of measuring result. offer respectively three content measuring model for gold,platinum,silver and one alloy measuring model;


No need to bundle samples.Following value can be displayed precisely and quickly with only two procedure:

(1) karat value,percentage content,density for gold

(2) PT value,percentage content,density for platinum

(3) S value,percentage content,density for silver

(4) percentage content,density for other alloy.



Measuring Type:


Precious metal.such as gold,Karat gold,platinum,silver.

Mixed metal or other alloy metal.

Jewelry materials.such as ring,necklace,bracelet,watchband,belt fastener,gold ingot,gold bar,statue,coin.,etc.


Please check the samples to be tested firstly when do testing:

(1). products of which inside is hollow

if the hollow is closed.water or other liquids can't get access into,the samples can't be tested

if the hollow is opened,water or other liquids can get access into,the samples can be tested

(2). products set with precious stones------can't be tested

(3). products of which the density is very close to precious metal------can't be tested





  • Distinguish whether the gold,karat gold,platinum,silver,other precious metal is the genuine or not.
  • Test the purity of gold,karat gold,platinum,silver to confirm if the marked content is correct or not.
  • No need to cut samples;also it can be measured immediately.
  • Can shift to measure Karat and purity percentage of gold-silver -copper,gold-copper,gold-silver respectively.
  • Function of density measuring and normal gram scale.
  • Either water or alcohol would be as medium.
  • Function of setting actual water temperature.
  • Adopt completed injection molding PC sink(length:15.3cm X width10.7cm X 9.3cm)
  • Including RS-232 interface;It's convenient to connect PC and printer.AU-40 could be optionally availabe to print result.
  • Adopt injection moulding windproof dustproof shield;Convenient configuration;Better durability.
  • Power supply:AC 100V-240V;50HZ/60HZ(Europe standard)
  • Weight/packing size:4.5kg/length 42.5cm X width 17.5cm X height 32.5cm


Measurement Resolution and Range:


  • AU-300K weighting resolution:0.005g,minimum weight:4g,density resolution:0.001g/cm3
  • AU-600K weighting resolution:0.005g,minimum weight:4g,density resolution:0.001g/cm3
  • AU-120K,200K weighting resolution:0.001g,minimum weight:2g,density resolution:0.001g/cm3
  • 900K,1200K,2000K,3000K weighting resolution:0.01g;minimum weight:5g;density resolution:0.001g/cm3
  • K value range:9k,10k,11k,12k,13k,14k,15k,16k,17k,18k,19k,20k,21k,22k,23k,24k and % percentage content.
  • Platinum content range:PT600,PT650,PT700,PT750,PT800,PT850,PT900,PT950,PT1000 and % percentage content.
  • Silver content range:S600,S650,S700,S750,S800,S850,S900,S950,S1000 and % percentage content.
  • The proportion of copper-silver for gold-silver-copper can be shifted cyclically with 9/1,8/2,7/3,6/4,5/5,4/6,3/7,2/8,1/9.the default setting is 7/3.


Measuring Procedure:


(1) Measure the weight in air firstly,press ENTER key.

(2) Place the sample into water to measure weight in water.Press ENTER key.result will be displayed.



Standard Accessories:


2000g Gold And Silver Precious Metal Tester For Jewelry Identification 0


Anti-counterfeiting Announcement:


The bad and good products is intermingled on market today.Most customers had suffered a lot from the brand replacement products,shell brand products,simulation products,and transferring after-sale service products.To protect your rights,please identify seriously when choose goods.Following is the method to distinguish QUARRZ brand product.


  • Method one:Start up,machine will display in sequence:brand,model(such as QUARRZ,AU-300S)
  • Method two:After starting up,press ZERO button and B button at the same time,the machine will display in sequence:brand:model,factory number.of which information correspond to the one marked on machine.
  • Method three:Check security code that generate automatically by machine number.








(1) Is this machine for professional use in jewellery store? is application to jewellery store,pawn shop,cash for gold,collecting coins.,etc.


(2) What the machine can measure?


Precious metal.such as gold,Karat gold,platinum,silver.
Mixed metal or other alloy metal.
Jewelry materials.such as earring,ring,necklace,bracelet,watchband,belt fastener,gold ingot,gold bar,statue,coin.,etc.


(3) What the machine can display?


karat value,purity percentage,density for gold


PT value,purity percentage,density for platinum


S value,purity percentage,density for silver


percentage content,density for other alloy.


(4) Does this item can read gold purity even if there is a mark says 14K but it is really 12K? does.


(5) What's the accuracy on reading?


Density resolution:0.001g/cm3
Weight resolution:0.005g/0.001g
K resolution:1K/0.1K/0.01K


(6) What's size of sample you can put inside the machine?

for DH series:16.9cm X 9.8cm X 8.3cm
for AU series:15.3cm X 10.7cm X 9.3cm


(7) Does this machine can be connected with PC,and printer? has the RS-232C interface.the measuring data can be output through PC and printer.
The printer is optional when customers make purchasing.


(8) Does this machine can test the specific gravity of gemstones? does.
Also it can test the specific gravity for all kinds of solids materials.


(9) Does this machine can be used as scale?
Yes.This machine has scale function.


(10) What's the power supply?
The default power supply is Europe standard AV100V - 240V.based on customers' requirement.

Customers can choose: Europe type,British type,American type;Australian type.


(11) What's the quality assurance?
The warranty is for two years from the date of receipt.if any parts broken and verified it is within the range of quality assurance(please refer to our quality assurance policy).we shall send new accessories or new machine for replacement.


Our Advantages:

AU-300K Details NEW NEW


Contact Details
Guangdong Hongtuo Instrument Technology Co.,Ltd

Contact Person: Mrs. Julie Zhong

Tel: 86-13267004347

Fax: 86-769-2318-1253

Send your inquiry directly to us (0 / 3000)

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