REED Instruments GM-600G Digital Scale, 21oz (600g) with NIST Calibration Certificate

This electronic precision scale measures in both ounces, grams and features a parts counting function. The GM-600G has full capacity tare capability and a backlit LCD display that automatically turns on in dimly lit environments. Optional AC adapter available for continuous long-term use. This product includes a calibration certficate traceable to NIST (National Institute of Standards and Technology).