Amazon.com: U.S. SOLID 0.001 g Precision Balance – Digital Analytical Lab Scale – Electronic High Precision 1 mg Accuracy Balance with 2 LCD Screens (110g, 1mg) : Industrial & Scientific
Amazon.com: RUISHAN 100g x 0.001g Lab External Calibration Analytical Balance .001g High Precision Electronic Scientific Scale 1mg Accuracy for Laboratory, Pharmacy, Jewelry, Schools, Chemical Plant and so on : Industrial & Scientific
Amazon.com: U.S. Solid 0.001g 1mg Digital Analytical Balance Precision Scale for Laboratories (100x1mg) 110-220 VAC, w/ RS232 Interface, Dust Protective Cover, Calibration Weight : Industrial & Scientific