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MZ-K150 High precision Precious Metal Purity Testing Instruments Precious Metal Purity Detector Gold Purity Tester

$580.00 - $2,400.00
Min. Order
1 Set
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Company Information

Shenzhen Qun Long Instrument Equipment Co., Ltd.

CN Manufacturer, Trading Company, Distributor/Wholesaler
Response Time
Response Rate:
4 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Warranty: 3 years
Place of Origin: Guangdong China
Testing Time: 5 seconds
Power supply: Default as European Standard AC 100V - 240V
Value showed: density,karat and purity
Weighing Range: 0.001~150g
Model Number: MZ-K150
Weight: GR. WT. 5.5kg
Brand Name: MAYZUN
Accuracy: 0.01g/cm3
Type: Gold Purity Tester
Samples Range: Gold,silver, platinum and other Precious metals
Application: Pawnshop, bank,jewelry shop and recovery
Interface: RS232
Packaging Detail: Double cartons with soft foam
Selling Units: Single item
Single package size: 38.5X19.5X33 cm
Single gross weight: 5.5 KG
Package Preview:,
Product Description

Free Shipping

Original Manufacturer

Warranty for 3 Years

Confidence in product quality !!!

Warm Tips:

The price includes the costs of delivery and insurance, which varies in types. For details, please contact our client service.


Notice:Every model but for its difference in accuracy, they are of the same function.

Electronic Gold Purity Tester Price , Digital Precious Metal Tester , Gold Karat Purity Analyzer

Model MZ
Maximum weight
Minimum weight
Weight resolution
Density resolution
Measuring time
Testing board
Unibody high-capacity plastic testing board
Measuring type
Traditional gold and platinum jewelry, bracelet, ring, large bullion, craft etc.

Gold moda

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 %
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

Platinum moda
Copper and Silver
Cycle setting (default 7:3)
Display value
PT percent, density value, volume
PT value range
Pt 600-pt 1000
Other precious metals
 measure the purity percenrage of main materials in two kinds of mixture
play value
density value, volume, content percentage
density value of main materials and secondary materials setting
Measuring Mode
Gold mode, selected setting mode, specific gravity mode
Parameter setting
Water temperature setting, measuring medium density setting
Correction method
Auto calibration with one key, auto detection
Output method
Output and print testing data conveniently with standard communication interface of RS-232C
Main features
Simple operation, digital display, accurate measuring, stable, durable
Measuring Container
Unibody injection forming transparent professional measurement tank
(size : L 169 mm *W 98 mm * H 83 mm)
Body size
21 X 17 X 17 cm
Packing size
38.5 X 19.5 X 33 cm


According Archimedean principle of buoyancy method

Features and Functions:

1. Just two simple steps,the purity of precious metals and gold karat can be showed rapidly and accurately.No stains and scratches left on gold after testing. Needn't use the sulfuric acid solution to test the standard samples.

2.The gold K number and density, platinum Pt value and density can be accurately measured in only 5 seconds.Directly and circularly show the gold karat (including gold-cop.per-silver, gold-silver, gold-copper), gold purity%(including gold-copper-silver, gold-silver, gold-copper) .

3.More intuitive and more rapid to identify gold authenticity. It adopt special software design according to market demand which enable users to  set the upper and lower limits of K number and Pt value.When the K value of testing gold  is more than 24K, the instrument will display HI. When K value less than 12K, LO is displayed.

4. With the mixture proportion function, it can test other precious metals, such as: platinum, silver, palladium, copper, rhodium...and so on

5.Adopting a light and thin stainless steel can reduce the error caused by the buoyancy of the wire. 

6. Adopting the design of big tank, it can decrease the inaccuracy caused by supporting wire's buoyancy

7. Only applicable to solid metal sample which can be inlayed with gem stones . It can also be used as a precision electronic balance.


Jewelry industry, gold and precious metals research lab, jewelry shop, bank, pawn shops .

Gold Measuring Procedure:

Step 1:

Place gold on test board to measure weight in air,and then press MEMORY key button to memory.

Step 2:

Place the gold into water to measure weight in water,and then press MEMORY key button to memory. Density value is displayed.

Value showed:

CS.:Gold karat(unit:k)

Press MENU key


Press MENU key agian


Standard Accessories:

Notice:The printer is optional accessory
Detailed Images

NEW Design Factory Digital Electronic Gold Densimeter Price , Gold Tester Densimeter , Gold Density Testing Instrument.

MZ-K3000 3kg gold test

Maximum Weight: 3KG/6KG

Measuring Container: Unibody injection forming transparent professional measurement tank

(size : L 400 mm *W 170 mm * H 170 mm)  

Size can be customized

Packing & Delivery


Packing material: Wooden cases or cartons with pearl cotton

Packing size:38.5 X 19.5 X 33 cm


Products will be sent to customers within 48 hours. Delivery time is about 5-7 days.

By default delivery by air by international Express: DHL / UPS / FEDEX / TNT /SF


Alibaba payment is preferred payment. 

Payment before delivery

Common payment: T/T, Western Union, Paypal

Our Company

Qun Long (Mayzun is our brand) specialized in producing and selling professional densitometer for 9 years and we can provide professional density test instrument solution for you

1. Different program functions can be customized according to customer requirements;
2. We can provide OEM service.
3. Looking for brand agent wholesales all over the world. 


1.How about quality and warranty of our products?

When you receive a product from Qun Long, it must be debuged by our production staffs,technical staff and warehouse management. And our technical staffs have more than 10 years experience. We can guarantee the warranty for three years from the date of receipt. If our machine fails to perform properly because of defects in materials or workmanship during three years warranty, We will be responsible for fixing or replacing new machine .

2.How about 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 distribution in time if can't clear fault

(3)When you contact us with a service problem, we will act within 12 hours and provide solution within 24 hours.

(4)After-sales line : 0755-82596242

(5)If the product have some big troubles and it must be sent back to our factory to repair during its warranty period, you just need to shipping the product to us and we will sent you a new one.The service is excluding if the machine is breakdown caused by following reasons:

a:Wrong operation
b:Fixed or refitted personally
c:The machine itself is not the reason caused breakdown
d:Applying the machine under the serious condition. Such as high temperature, moist, corrosive gas, or vibration.
e:Move or transportation as soon as installed
f:Consumables and easy-loss components
g:Natural disaster

3.How many days can you receive the products?

Product in stock will be sent within 48 hours. Delivery time is about 5-7 days.

4.How to shipping the product?

Product will be sent by International Express by air. Such as DHL, UPS, FEDEX, TNT, SF.

5.What is our return policy?

You are allowed to return goods within 7 days from the date of receipt. To return products,please contact our customer service with your invoice number, the item to be returned and the reason for the return. Goods must be returned freight prepaid. Returns will be subject to a restocking charge. Products can not be returned back when the products have been used or modified.

6.Are we manufacturer made copy product or original product?

We are the original manufacturer for densimerter, Mayzun is our own brand. The model starts with DH is belongs to us generally.

7.Why choose us?

Qun Long have been specialized in density field since 2009. Qun Long as a professional density meter supplier , has maintained a constant belief:First - class quality , professional technology team and services team,ample supply and prompt delivery.