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China Original Factory Electronic Gold Testing Machine Price DH-300K



400 ~ 700 / Set Get Latest Price


400 per Set


packing size:42X16X32cm

3 to 5 days

300 Set per Month

Other, PayPal, T/T

precious metal tester

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Product Specification

density resolution : 0.001g/cm3

Product Description

2 Years Warranty!!!China Original Factory Electronic Gold Testing Machine Price DH-300K

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.features of no damage on sample,simple operation,fast and accurate

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



Density resolution: 0.001 g/cm3

Maximum weigh:300g

Minimum weigh:0.005g

Measurement time:15s


a)The purity of gold,platinum,and other precious metals in a short time.the fake can be distinguished.

b)No damage testing, cleaning and environmental protection.

c)Measuring just need 15 seconds,convenience,stabilization,and accuracy.

d)Multi-mode,gold mode,platinum mode,other precious metals mode can be switched.

e)Multi-function,the purity of other precious metals can be measured.such as tin,copper,silver.etc.also can be used as precision balance.

f)Function of top and bottom limitation,it can display OK,HI,LO in the state of qualified,exceed,less.and prompt alarm.

g)Function of automatic zero tracking,buzzer warning,and overload warning.

h)Function of solution compensation.necessary if liquid other than water is used as a medium for measurement.

i)Adopt the unicase high-capacity measurement accessories with the transparent injection mould tank,which can resist wear,fall off,and corrosion.

j)Adopt the unicase dedicated wind and dust cover,which makes the combination convenient and durable.

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

Measurement Procedure

a)measure the gold weight in air,and then press the ENTER to memory.

b)Place the gold into water to measure the weight,and then press ,the ENTER to memory.show the K value of gold,purity percent,density value.

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



Maximum weight


Weigh resolution


Density resolution


Measuring time


Testing board

Unicase 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;mixture of 

gold and copper;mixture of 

gold and silver;

Display purity percent

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

gold and copper;mixture of 

gold and silver;

K value range


Copper and silver proportion setting

Cycle seting as user prefer(default 7:3)


Display value

PT percent,density value,volume

PT value range

Pt600 - Pt1000

Measuring container

unicase injection forming transparent professional measurement tank


Parameter setting 

water temperature setting,measuring medium density setting


Archimedes principle

Memory method

Two procedures

Correction method

auto correction with one ,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



Main features

Simple operation,digital display,accurate measurement,stable,durable

Shipping and 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.


After-sales Service

1. If errors occur,please refer to the troubleshooting tips of the instruction manual.

2. Please contact with our after-sales service department or distribute in time if cant clear fault.

DahoMeter after-sales hot line 400 830 0646

About us

Since it was established in 2002,Daho Meter has been specializing in density testing field on developing, innovating and producing. and has been devoting to provide densimeter with high precision, easy operation and good durability. Nowadays it is the most well-known professional densimeter brand in China after got great efforts for decades. It is the one can support a wideness of field including solid, porosity solid, powder, liquid., etc and other testing program related to density.

Daho Meter is the brand that has the largest market share in China, along with the best quality and the ability to provide the completed service, we are expanding the business to abroad.

Core competitiveness is the soul of brand to survive and develop. what is the utmost advantage of Daho Meter is professional, technology, quality and service. we understand deeply that the key to win market is based on the satisfaction of customers, therefore, professional technology, reliable quality and in-time service would be the necessary elements that service customers better. On the other hand, Daho Meter carry out the management philosophy completely which is customer priority ,quality first ,service winningand the service spirit which is quick response, reliability, thoughtfulness

The ability to serve and service station is the mirror to show strength of brand. as well it is the visible tool to support customers. Daho Meter pay much attention to the training staff about technology to make sure customers would get the reliable products and service. also ensure the ability to get through the whole process, such as technical consultation, business handling, installation and debugging, after-sales service., etc. Daho Meter set up 4 different customer service center around in China, they are located respectively in Dongguan, ShenZhen, BeiJing, and HangZhou. In Dongguan, we built the Testing Center in Aug.2013.All in all, what we did is to make improvement on quality service to meet all kinds of customersdemands.

As the pursue for excellent quality and considerate service, Daho Meters brand is getting stronger and stronger step by step through serve customers beyond their expectation. Gradually market speak well of this brand. and finally customers place dependence on it. With this kind of help, Daho Meter advance in the forefront of the density filed.

Future depends on where we stand, innovation can make dream came true. the goal Daho Meter is about to hit is to become the global leader of densimeter brand. we will stick on the professional road, keep the pragmatic and pioneering spirit,to provide support to improve analyzing testing precision for all industries and make contribute to sustainable development for society, also make our pygmy effort for China's Dreamas well.

Brand Management Philosophy

People oriented, customers priority, quality first, service winning




Upstanding, Advancing, Innovation, Cooperation


To be the respected and professional densimeter leader.


Leading industry to improve the testing level, and to be the most advanced densimeter brand in global.

Service Spirit

Quick-respond, Reliability, Thoughtfullness

Related Products

Solid series:DH-300,DH-600,DH-900,DA-300M,DA-600M,DA-900M,DA-1200M,DE-120M,DE-600M,DH-300M,DH-120M,DH-3000M,DH-120N

Liqulid series:DH-300L,DA-300W,DE-120W,DH-300W,DH-120W

Multi-function solid and liquid series:DH-300X,DA-300T,DE-120T,DH-300T,DH-120T

Series for rubber,tyre and shoes materials:DA-300DIN,DA-300M,DE-120DIN,DE-120M

Series for powder,magnetism,pottery and porcelain:DA-300MR,DA-300M,DE-120MR,DE-120M

Series for oil length,poriness:DA-300MQ,DA-300M,DE-120MQ,DE-120M

Series for wood,civil engineering:DA-300ML,DA-300M,DE-120ML,DE-120M

Series for cement,metal,plastic:DA-300MB,DA-300M,DE-120MB,DE-120M

Series for testing purity of gold,platinum,precious metal,tin:DH-300K.DH-600K,DA-600K,DA-900K,DA-1200K,DE-120K

Avaliable accessories:DE-40(printer),DE-20B(the components for anticorrosive liquid),DE-20A(the standard components for liquid)

We are looking for the distributor around the word.

Contact us





1.Quality Insurance

We guarantee this instrument for two years.
We will be responsible for fixing or replacing the instrument if quality  issue was arisen,the service is excluding if the machine is breakdown caused by following reasons:
(1) Wrong operation;
(2) Fixed or refitted personally;
(3) The machine itself is not the reason caused breakdown;
(4)Applying the machine under the serious conditions.such as high 
temperature,moist, corrosive gas,or vibration.
(5)Move or transportation as soon as installed.
(6)Consumables and easy-loss components.
(7)Natural disaster
2.After-sales Service
a.If errors occur,please refer to the troubleshooting tips of the instruction manual.
b.Please contact with our after-sales service department or distribute in time if cant clear fault.
c.DahoMeter after-sales hot line 400 830 0646
3.Delivery Date
International Express:DHL/UPS/FEDEX/TNT
5.Return Policy
Instruments are not returnable once used.all items are handled directly through the warranty.
6.Are we manufacturer made copy product or original product?
We are the original manufacturer for densimeter,DahoMeter is our own brand.the model starts with DH is belongs to us generally.
7.Why choose us
We deep understood what's you need is not only product,but also all-around service support,especially for technical instruction and after-sales service.
a.We have been specialized in density field for almost 13 years.
b.Professional researching and technology team.
c.Customer service team.


Contact Us

Contact Person : Julie

Company:DongGuan HongTuo Instrument Co., Ltd

Address:Dongguan, Guangdong, China,


Julie < DongGuan HongTuo Instrument Co., Ltd >
I want to know:

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