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.