Compact Analytical Balances - Gemini Series

The Gemini Series are compact analytical balances with a weight capacity ranging from 120 g to 310 g and a resolution ranging from 0.1 mg to 0.01 mg. With internal calibration it provides a larger weighing chamber and a smaller footprint than conventional compact balances. Easy to use and calibrate, the Gemini provides superior performance at a reasonable price. Choose from four popular models: GR-120 to the GR-202.

For detailed specifications download the Gemini Seires brochure.

Gemini Series

Notable Features

  • Requires 30% less footprint space
  • Fully Automatic Self-Calibration
  • One Touch Calibration
  • Easy Access Door
  • Splash Proof Keyboard and Display
  • Data Memory Function--Store up to 200 measurements
  • Two Layer Housing Construction
  • Advanced Stabilization Software
  • Automatic Adjustable Environment Setting
  • Multiple Weighing UnitsGLP Compliance
  • Standard RS-232C allows bidirectional communication with PC
  • Standard Underhook
  • Quick Reference Card
  • Bundled with A&D's new WinCT Software

Compact Analytical Balances - Gemini Series


Model GR-120 GR-200 GR-300 GR-202
Weight Capacity 120g 210g 310g 210g
Percentage Min Div 0.1%
Counting Min Weight 0.1 mg
Linearity ±0.0002g ±0.0002g ±0.0002g ±0.0002g/±0.0003g
Repeatability/Std Dev 0.0001g 0.0001g 0.0001g 0.0001g/0.0002g
Stabilization Time 3.5 sec 3.5 sec 3.5 sec 3.5/8 sec
Sensitivity drift (10° C/30° C) ±2 ppm / °C (10°C-30°C / 50°F-86°F)
Display Refresh 5 times per second/10 times per second
Pan size ø 85 mm/3.3"
Operating Temp 5°C ~ 40°C/41°F ~ 104°F RH less than 85%
Weight Approximately 6.0 kg/13.2 lb
Power supply 100, 120, 220, 240 VAC (AC Adapter) 50 Hz/60 Hz, 11VA


Contact us today: Toll Free: 1.800.268.3269 or by Email:

The Ownership and Management - Interweigh Systems Inc. 51 Bentley Street, Markham, Ontario, Canada, L3R 3L1
Phone: (416) 491-7001 ~ Toll Free: (800) 268-3269 ~ Fax: (905) 940-1711

Or contact us at one of our five locations: Markham, Mississauga, Woodstock, Montreal and Calgary