We are Leading Gold Purity Testing Machines manufacturers, exporters, suppliers located at Turbhe,
Navi Mumbai, Maharashtra, India

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Measurement based on Archimedes’ principle incorporating High Precision electronic weighing scale.
Accurate, Reliable and non destructive testing method.
Provision to enter water temperature for temperature compensation of density value.
Over load and shock load protection for weighing scale.
Display of gold purity in % as well as karat.
Gold purity checking in gold-copper-silver, gold-silver, gold-copper alloys.
Can be used to check other precious metals like platinum, palladium etc. by using mixture proportion function.
RS-232 interface for printer / computer connection.
Spacious tank for big ornaments, special design of tank to reduce buoyancy error.
Hollow ornaments, ornaments inlaid with stones cannot be checked.
Specifications :
  Models   CT-300   Ct-600
  Capacity   300g   600g
  Accuracy   0.01g   0.01g
  Density  Accuracy   0.01 g/cc   0.01 g/cc
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AUTO DENSITY METER for Gold Purity Checking

For Banks, Financial Institutions, Pawn Shops.
Alpha-numeric backlite LCD for display of gold purity results.
Provision to enter customer, operator and ornament details along with bank title through keyboard.
Inbuilt printer for printing the gold purity results along with customer, operator and ornament details and date and time.
Use of Different model of electronic balance based on sample weight and accuracy of measurement of purity.
Detection of gold plated ornaments and gold ornaments with stuffed metal or non metal inside without tampering the ornament.
Programmable settling time for the weight in water.
Balance Interface to the Density Meter through RS232 port.
Extra safety protection to prevent overshooting of motor.

apacity of weighing : 400g
Accuracy of weighing : 0.001g
Accuracy of density measurement : 0.01 g/cc
Suitable measurement    
Range of gold purity : 50% and above (12 to 24 Karat Gold)
Adjusted for impurity elements : Ag,Cu,Cd
Display : LCD with blue backlite
Printer : 24 column thermal printer
Power supply : 230 VAc, 50 Hz
Power rating : 50 Watt
Corporate Office : 
M/s. Contech Instruments Ltd.

301, Punit Indl. Premises, Turbhe, Navi Mumbai – 400705
Tel: 91 22 61393000 (100 Lines),
       022 - 27611176/77/78/79/80,
Fax: 022-27618421

E-mail :  
Factory :
Plot No.EL-221, TTC Industrial Area, MIDC (Electronic Zone), Mahape, Navi Mumbai, Maharashtra

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