GEM AND JEWELLERY BALANCES

Contech has various options for the Gem & Jewellery Industries – Carat Balances, Gold Balances & Silver Scales. Models include High Precision Balances incorporating Electro Magnetic Force Compensation Technology for Diamond, Precious Stones and Gold. Economy models based on Loadcell technology for less precision weighing in case of semi precious stones and silver.

PRECISION BALANCES (without motorized internal calibration) 0.01g to 1200g

STANDARD FEATURES

Backlite LCD Display
Customized, large, attractive LCD with multiparameter display illuminated by white backlite.
Bi directional RS 232 interface
RS 232 port with selectable baud rate 4800,9600.
Various interface formats adopting this Balance in a setup
to replace any other leading international brand Balance.
Can be configured for an USB interface using optional
RS 232 to USB converter.
GSM function
GSM function for paper & cloth quality checking.
Multiple Weighing Units
Grams, Ounces, Troy Ounces, Carats, Mommes, Pennyweights, Grains, tola, Mesghal, Chinese taels.
Percentage Weighing
Display of Reference weight, sample weight, % of sample with respect to reference weight
Piece Counting
Parts calibration using preset quantity of samples or programmable quantity. Automatic count correction for precise calibration.
Fill Mode
1 set point - Indication when sample weight exceeds the set limit.
2 set points ● Indication when the sample weight is between the lower & upper limits.
Accumulation
Storage of maximum 200 samples.
Multiple Printing Mode
0,1,2,3 modes for various formats.Pause in case data storage capacity in a Printer is less.
External Calibration
Using preset weights. Known weights can be corrected to + 15 counts.
Response Time:
User selectable ● Slow / Normal /Fast.
Stability Band Width
Stability indicator appears on display with counts variation + 1, + 2, +3, +4.
Auto Zero Tracking
User selectable 0,1,2,3
Return to Zero Tracking
Variable: 0,1,2,3,4
Display Updation
Speed setting : Fast / Normal.

Specifications:

Models CBB-600 CBB-1000 CA-1202 CBB-360D CBB-600D CBB-603D CBB-1000D
Capacity 600g 1000g 1200g 60/300g 300/600g 100/600g 500/1000g
Readability 0.01g 0.01g 0.01g 0.001/0.01g 0.005/0.01g 0.001/0.01g 0.005/0.01g
Repeatability (+/-) 0.01g 0.01g 0.01g 0.001/0.01g 0.005/0.01g 0.002/0.01g 0.01/0.02g
Linearity (+/-) 0.01g 0.02g 0.02g 0.002/0.02g 0.005/0.02g 0.002/0.02g 0.01/0.02g
Pan Size (mm) 125 125 150 100 125 100 125

Optional Features
* RS 232 to USB interface converter.
* ISO GLP compliance.
* Real time clock (RTC).
* Density determination kit.
* Weigh below hook for density determination.
* Yarn count with temperature compensation.
* Denier measurement for silk & synthetic yarn.
* Cocoon assessment with statistical analysis for cocoons.
* Software for SQC (Statistical Quality Control) for Pharmaceutical Industries.
* Vacuum fluorescent display (VFD).

Specifications :
Taring Range : Up to full capacity
Response time : 3-5 secs
Power Req : 90-250V, 50/60Hz, 10 Watt
Operating Temperature : 10 to 45 deg C

CARAT SCALES High Resolution loadcell based 1mg accuracy Balance (0.001 g - 50 g)

* Incorporate high quality loadcells.
* Compact, Light weight and portable.
* Overload and shock load protection.
* Auto power off function.
* Multiple weighing units, gram & carat.
* RS-232 bi directional interface.
* Power saving mode.
* Overload and shockload protection.
* Bright Red LED Display/LCD Display with white backlite.
* High bright green LED Display (Optional).
* Battery Backup (Optional)
* Additional Display (Optional).
* Breeze shield.

Specifications:

Models CTL-20 CTL-50
Capacity 50g 50g
Readability 0.001g 0.001g
Repeatability(+/-) 0.001g 0.001g
Linearity (+/-) 0.001g 0.002g
Pan Size 50 mm dia 50 mm dia

Taring Range : Up to full capacity
Response time : 3-5 secs
Power Req : 90-250V, 50/60Hz, 10 Watt
Operating Temperature : 10 to 45 deg C

GOLD SCALES (0.01 g - 3kg) High Resolution Scales (Laodcell Based)

* Incorporates high quality loadcells
* Compact, Light weight and portable.
* Inbuilt battery charger.
* Auto power off function.
* Multiple weighing units, gram & carat.
* Piece counting facility.
* RS-232 bi directional interface.
* Power saving mode.
* Overload and shockload protection.
* Weight slip printing (Optional).
* Bright Red LED Display.
* High bright green LED Display (Optional).
* Battery Backup (Optional).
* Additional Display (Optional).
* Breeze shield (Optional).

Specifications:

Models CTL-300 CTL-600 CTB-1001 CTL-1202 CTL-1201 CTL-3001
Capacity 300g 600g 1000g 1200g 1200g 3000g
Readability 0.01g 0.01g 0.1g 0.02g 0.1g 0.1g
Pan Size (mm dia) 115 115 125 125 125 150

Taring Range : Upto full capacity.
Response Time : 3-5 seconds.
Power Supply : 90-250V, 50/60Hz
Power Consumption : 10 Watt
Operating Temperature : 10-45oC

SILVER SCALES (0.1 g - 15 kg) High Resolution Table Top Scales - Pan Size :190mm x 250mm

* Incorporates high quality loadcells
* Inbuilt battery charger.
* Auto power off function.
* Multiple weighing units, gram & carat.
* Piece counting facility.
* RS-232 bi directional interface.
* Power saving mode.
* Overload and shockload protection.
* Weight slip printing (Optional).
* Bright Red LED Display.
* High bright green LED Display (Optional).
* Battery Backup (Optional).
* Additional Display (Optional).

Specifications:

Models CTM-6001 CTM- 60002 CTM- 60005 CTT- 6k1 CTM- 10001 CTM- 10002 CTM- 10005 CTM- 10k1 CTM- 15001 CTM- 15002 CTM- 15005 CTM- 15k1
Capacity 6kg 6kg 6kg 6kg 10kg 10kg 15kg 10kg 15kg 15kg 15kg 15kg
Readability 0.1g 0.2g 0.5g 1g 0.1g 0.2g 0.5g 1g 0.1g 0.2g 0.5g 1g
Repeatability (+/-) 0.1g 0.2g 0.5 g 1g 0.1g 0.2g 0.5g 1g 0.1g 0.2g 0.5g 1g
Linearity (+/-) 0.2 g 0.4g 1.0 g 2 g 0.2 g 0.4 g 1.0 g 2g 0.2 g  0.4 g 1.0 g 2 g

Taring Range : Upto full capacity.
Response Time : 3-5 seconds.
Power Supply : 90-250V, 50/60Hz
Power Consumption : 10 Watt
Operating Temperature : 10-45oC