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DONGGUAN LONROY EQUIPMENT CO LTD
DONGGUAN LONROY EQUIPMENT CO LTD
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K Value Gold Densitometer/Gold Purity Tester Small Meter Testing Equipment

DONGGUAN LONROY EQUIPMENT CO LTD
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K Value Gold Densitometer/Gold Purity Tester Small Meter Testing Equipment

Brand Name : lonroy

Place of Origin : Guangdong, China

Model Number : MDJ-300K

MOQ : 1

Price : $600

Max weigh : 300g

Min weigh : 5g

Density readability : 0.001g/cm3

Tank size : Length 15.3 × width 10.7 × height 8.0cm

Measure function : Gold K value, % content, density value; Platinum PT value, % content, density value; Silver S value, % content, density value; Other alloy % content, density value

Gold K value : 1-24K

Measuring principle : Archimid's principle of buoyancy

Measure time : 5s~20s

Parameter setting : Water temperature setting, measuring medium density setting, air density setting, main material and secondary material density setting, copper and silver proportion setting

Copper silver scale : 8/2,7/3,6/4,5/5 Cyclic switching; default setting is 7/3

Correction way : Single key calibration, automatic detection

Sensor origin : Germany

Standard compliance : GB/T1423

Measurement steps : First measure the weight in the air and press ENTER; Then put it into the water to measure the weight in the water. Press ENTER to display the result

Material compatibility : Gold, silver, platinum group metals (ruthenium, rhodium, palladium, osmium, iridium, platinum)

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K Value Gold Densitometer/Gold Purity Tester
Product Overview

The MDJ-300K Gold Purity Tester utilizes advanced German sensors to determine precious metal purity through density detection. This non-destructive testing instrument quickly identifies genuine precious metals by displaying gold purity percentage, K value, density value, platinum content, silver purity, and other alloy compositions.

Applications

Ideal for use in:

  • Pawnshops and precious metal recycling
  • Jewelry manufacturing and retail
  • Banking and financial institutions
  • Mining operations
  • Jewelry testing centers
  • Industrial and research laboratories

Compliant with GB/T1423 noble metal purity determination standards, this instrument requires only two simple steps for accurate measurements without sample binding.

Precious Metal Detection

Detects all major precious metals including:

  • Gold (Au)
  • Silver (Ag)
  • Platinum group metals (Ru, Rh, Pd, Os, Ir, Pt)
Technical Specifications
Model MDJ-300K XF-300K XF-600K MDJ-1200K MDJ-2000K
Max Weight 300g 300g 600g 1200g 2000g
Min Weight 5g 4g 4g 5g 5g
Density Readability 0.001g/cm³
Tank Size 15.3 × 10.7 × 8.0cm (customizable)
Measurement Capabilities
  • Gold K value (1-24K) & percentage content
  • Platinum PT value, percentage content, and density
  • Silver S value, percentage content, and density
  • Other alloy percentage content and density values
Operation Parameters
  • Water temperature setting
  • Measuring medium density setting
  • Air density setting
  • Main and secondary material density settings
  • Copper and silver proportion setting (default 7/3)
Operation Method

Measurement process based on Archimedes' buoyancy principle:

  1. Measure sample weight in air and press ENTER
  2. Submerge sample in water and measure weight
  3. Press ENTER to display results (5-20 second measurement time)
K Value Gold Densitometer/Gold Purity Tester Small Meter Testing Equipment K Value Gold Densitometer/Gold Purity Tester Small Meter Testing Equipment K Value Gold Densitometer/Gold Purity Tester Small Meter Testing Equipment K Value Gold Densitometer/Gold Purity Tester Small Meter Testing Equipment K Value Gold Densitometer/Gold Purity Tester Small Meter Testing Equipment

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