India’s Largest Manufacturer and Exporter of Magnet based high precision electronic balances.


Contech Instruments Ltd.

Company was awarded
ISO 9001 : 2008,
ISO 14001:2004,
OHSAS 18001:2007
Management Systems in
the year 2014.

Contech Instruments Ltd.

is a leading manufacturer and exporter of high precision Electronic Balance that has for the past few years provided the industry with quality products like electronic balances, weighing machines

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  AUTO DENSITY METER for Gold Purity Checking Manufacturer   Supplier and Exporters

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


Our Product Range :


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