Precious Metal Purity Tester

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Density Meter

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 and adopt sensor imported from Germany,the purity can be calculated through measuring density of precious metals.It has the features of no damage testing,simple operation,fast and accurate. K value of gold,PT value of platinum,density value,purity percentage can be measured.

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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.

(4)plating gold.

Application:

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 and adopt sensor imported from Germany,the purity can be calculated through measuring density of precious metals.It has the features of no damage testing,simple operation,fast and accurate.

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

Specifications:

Model	Density resolution	Maximum weight	Weight resolution	Mode
DH-300K	0.001g/cm3	300g	0.005g (0.01g optional)	Gold,Silver,Platinum
DH-600K	0.001g/cm3	600g	0.005g	Gold,Silver,Platinum
DH-900K	0.001g/cm3	900g	0.01g	Gold,Silver,Platinum
DH-1200K	0.001g/cm3	1200g	0.01g	Gold,Silver,Platinum
DH-2000K	0.001g/cm3	2000g	0.01g	Gold,Silver,Platinum
DH-3000K	0.001g/cm3	3000g	0.01g	Gold,Silver,Platinum
DE-120K	0.001g/cm3	120g	0.001g	Gold,Silver,Platinum
DE-200K	0.001g/cm3	200g	0.001g	Gold,Silver,Platinum

Features:

1.Quickly measure the purity of gold,platinum,and other precious metals.Distinguish if the object is fake or genuine.

2.No damage testing, cleaning and environmental protection.

3.Measuring just need 10 seconds,convenience,stabilization,and accuracy.

4.Multi-mode,gold mode,platinum mode,other precious metals mode can be shifted.

5.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.

6.Function of top and bottom limitation,it can display OK,HI,LO in the state ofqualified,exceed,less.Prompt alarm.

7.Function of automatic zero tracking,buzzer warning,and overload warning.

8.Function of solution compensation.Either water or other liquids can be used as medium.

9.Adopt the completed high-capacity measuring accessories with the transparent injection mould tank,which can resist wear,fall off,and corrosion.

10.Adopt the completed special wind and dust cover,which makes the structure convenient and durable.

11.Interface of RS-232C is included.the printer of DE-40 will be available to connect PC with machine.

12.Battery and car charger is optional.Convenient for using in case of power outage.

13.Light yellow backlight is optional.

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,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.

Specification table:

Model		DH-300K	DH-600K	DH-900K	DH-1200K	DH-2000K	DH-3000K	DE-120K	DE-200K
Maximum weight		300g	600g	900g	1200g	2000g	3000g	120g	200g
Weight resolution		0.005g (0.01g optional)	0.005g	0.01g	0.01g	0.01g	0.01g	0.001g	0.001g
Necessary weight for density		4g	4g	5g	5g	5g	5g	2g	2g
Density resolution		0.001g/cm3
Measuring time		10S
Testing board		Completed high-capacity plastic testing board
Measuring type		Traditional 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 range	10K~24K
	Copper and silver proportion setting	Cycle seting(default 7:3)
	Testing error	Default as ±1K;also can be set up as 0.1K,0.01K,need to confirm with factory firstly
Platinum Mode	Display value	PT percent,density value,volume
	PT value range	Pt600 - Pt1000
Other Precious Metals	Function	Only for DA series and DE series:measure the purity percentage of main materials in two kinds of mixture
	Display value	Only for DA series and DE series:density value,volume,content precentage
	setting	Only 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:length16.9cm×wide9.8cm×high8.3cm)
Parameter setting		water temperature setting,measuring medium density setting
Principle		Archimedes principle
Memory method		Two procedures
Correction method		Auto calibration with one key,auto detection.
Output method		Output and print testing data conveniently with standard communication interface of RS-232C.
Standard accessories		Host,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 cover		Adopt the unicase dedicated wind and dust cover
Option accessories		DE-40 printer
power		Default as AC 100V – 240V(Europe standard),based on destination country which standards be took.
Main features		Simple operation,digital display,accurate measuring,stable,durable.