Specifications: Ohaus Pioneer PA313 Mg Balance - Lab Weighing Capacity ( grams) 310 g Readability ( milligrams) 1 mg Repeatability ( milligrams) ± 1 mg Linearity ( milligrams) ± 2 mg Weighing Units mg, g, ct, oz, dwt, tical, tola, mommes, baht, grain, mesghal, Newton, ozt, teals Application Modes Weighing, Parts Counting, Percent Tare Range Full Capacity by Subtraction Stabilization Time 3 seconds Operating Temp Range 14° F to 104° F ( -10° C to 40° C) at 10% to 80% relative humidity, non-condensing, up to 4000m above sea level Calibration Digital with External Weight Interface RS232 Power Requirements AC Adapter ( included) Display Type 1-Line Alphanumeric LCD Display Display Size ( in cm) 4 " x 1 " 10 cm x 2.5 cm Pan Size ( Diameter) Ø 4.72 inches Height above pan ( in cm) 7.3 inches Dimension WxHxD 7.7 " x 11.3 " x 12.6 " Gross Weight ( lb) 10 lb Shipping Weight 15.2 lb