DahoMeter DH-300K Digital Electronic Gold Measurer , Gold Coin Tester , Gold Coin Testing Equipment

Application :
 
Pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing Center,precious metals researching.etc.
 
Principle:
 
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.
 

Specifications:

 
Model:DH-300K
Density resolution:0.001g/cm3
Maximum weight:300g
Weight resolution:0.005g
 
Features:
 

• 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
 

Specifications:

FAQ:

 
(1) Is this machine for professional use in jewellery store?
 
Yes.it is application to jewellery ,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?
 
Yes.it does.
 
(5)What's the accuracy on reading?
 
Density resolution:0.001g/cm3
Weight resolution:0.005g/0.001g
K resolution:1K/0.1K
 
(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?
Yes.it 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?
Yes.it 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.
 
(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.