Product Group:
Jewellery & Gold Testing
Gold Tester - Gold / Platinum / Silver Precious Metal Karat Tester
Gold Tester - Gold / Platinum / Silver Precious Metal Karat Tester

The Qualitest range of advanced Gold Testers are the ultimate tools for the jewelry industry, gold & precious metal research labs, jewelry stores, banks, and pawn shops for accurate determination of the carat and purity of gold, silver and platinum.

GKS-300 is the basic model, suitable for gold and can measure the carat of gold specimens weighing between 0.001~ 300g.

GKS-3000 is the top of the line model suitable for gold, silver and platinum with extended weight capacity of up to 3,000 g.

GK-series gold testers can quickly, easily and accurately determine purity of precious metals and gold karat by two weighing (By me asuring the Specific Gravity): one with the piece in a water tank, the other normally. An internal computer does all the calculations for you.

  • Works only for solid metal pieces without set stones.
  • No acid, needles, or test stones needed.
  • Leaves no scratches or stains on your gold after measurements.
  • Wide karat range—from 9 to 24K.
  • Tests other precious metals such as platinum and silver.
  • Also functions as a normal gram scale.
  • Advanced Model GKS-3000 can measure up to 3,000g, which makes it possible to measure ingots and statues.
  • Gold and Platinum measurement modes are available on GKS-3000.
  • Minimum specific gravity resolution 0.001 g/cm3 (0.0001 g/cm3), high resolution of the GKS-300 allows to measure minimum 2g samples.
  • Purity % and purity K (PT) are displayed at the same time (both GKS-300/GKS-3000).
  • GKS-300 comes equipped with wind shield.
MODEL GOLD KARAT TESTER GKS-300 GOLD KARAT TESTER GKS-3000
MEASURING RANGE 0.001g (0.0001) - 300g 0.01(0.001) - 3,000g
REPEATABILITY 0.001g 10 - 2,100g
LINEARITY ±0.002g (±0.0003g) ±0.02g (±0.003g)
FUNCTION
  • Alloy metals
  • Water-temperature
  • Calibration
  • Auto-weight
  • Alloy metals
  • Water-temperature
  • Calibration
  • Auto-weight
PURITY READINGS
  • Gold
  • Platinum
  • Silver
  • White gold
  • Gold
  • Platinum
  • Silver
  • White gold
DISPLAY
  • Purity
  • Percentage
  • Specific gravity
  • Purity
  • Percentage
  • Specific gravity
WEIGHT / DIMENSIONS 2.8kg / 260 x 190 x 200mm 4.2kg / 260 x 240 x 240mm
POWER SUPPLY AC 100 to AC 230V AC 100 to AC 230V
OPTIONS Compact printer Printer, Airtight wind shield

 


MODEL GOLD KARAT TESTER GK-300
MEASURING RANGE 0.01~ 300g
MEASURABLE RANGE 5 ~ 300g
DISPLAY
  • Gold (Low, K9, 10, 12, 14, 16, 18, 20, 21, 22, 23, 24)
  • Percentage (%)
  • Density
WEIGHT / DIMENSIONS 1.54kg / 218 x 190 x 170mm
OPTIONS Printer AD-8121B, Airtight wind shield

 


Ordering Guide
Gold Tester Ordering Guide: GK-300 Gold Tester GKS-300 Gold Tester GKS-3000 Gold Tester
Price: $ 1,795.00 US How to Order $ 2,390.00 US How to Order $ 2,870.00 US How to Order
Buy Now: Buy Now Buy Now Buy Now
Optional Accessories (Please inquire to purchase optional accessories
GK-005 - Air Tight Wind Shield for GK-300 $ 295 USD
GK-014 - Printer for GK-300 $ 1,010 USD
EKW-09 - Battery Pack for GK-300 $ 220 USD

Ordering Guide
Gold Tester Ordering Guide: GK-300 Gold Tester GKS-300 Gold Tester GKS-3000 Gold Tester
Price: $ 1,795.00 US How to Order $ 2,390.00 US How to Order $ 2,870.00 US How to Order
Buy Now: Buy Now Buy Now Buy Now
Optional Accessories (Please inquire to purchase optional accessories
GK-005 - Air Tight Wind Shield for GK-300 $ 295 USD
GK-014 - Printer for GK-300 $ 1,010 USD
EKW-09 - Battery Pack for GK-300 $ 220 USD