American Weigh Scales, Inc.
Gemini-20 Manual Thank you for purchasing the American Weigh Gemini20 portable milligram scale. Please read all operating instructions carefully before use. This electronic scale is a precision instrument. With normal care and proper treatment, it will provide years of reliable service. Never load the scale with more than the maximum capacity. Overloading the scale will permanently damage it! Avoid any exposure to extreme heat or cold. Your scale works better when operated at normal room temperature.
I. OPERATION Place the scale on a flat and level surface. 1. Press the [ON] key. 2. Wait until "0.000g” is displayed. 3. Place the object(s) to be weighed on the weighing platform. 4. Using the [MODE] key, you can switch between the weighing units. (To weigh using the tray, place it on the platform before turning the scale on or use the Tare feature.) II. TARE WEIGHING Using Tare, you can subtract the weight of a container. 1. Turn the scale on as described above. 2.
. Place the 10g calibration weight on the center of the platform and wait until the “g” indicator stops flashing. Calibration is complete! IV. TROUBLESHOOTING The primary reasons for inaccuracy or malfunction are low batteries, incorrect calibration, overload or operating on an unstable surface. Please keep this in mind and maintain and operate your scale properly. This scale is a precise instrument and must be handled with the utmost care and caution.
Specifications Model Capacity Resolution Calibration Weight Platform Dimensions (inches) Scale Dimensions (inches) Power Gemini-20 20g / 0.7055oz / 100ct / 308.64 0.001g / 0.0001oz / 0.005ct / 0.02gn 10g (or 1g-20g selectable at calibration) 0.7 ” diameter (1.3 ” with tray) 3 x 5 x 0.