Specification Accuracy Grade: Class A/D converting theory and sampling rate: double integration, 10-15 times/time Maximum inner codes: 500000 codes/time Non-linearity: 0.01% F.S. Stimulating voltage for the loadcell: DC +8V, the maximum input signal is about 16 mV Loadcell quantity: 1 load cell, 4 pins, (no long distance compensation) Temperature coefficient on F.S: 8 PPM/C Display: 6-bit LED, 0.56 inches in height, 6 status indicating lights, 3 battery charges indicating lights Keyboard: 5 slight-touch keys Power supply: (1) AC 187-242 V, 50 HZ (2) Built-in chargable battery 6V, 2.8 AH (2 pcs in serial connection) Operating temperature and humidity: 0-40C, 90% RH Storage temperature: -20--+50C Fuse: 500mA External dimension: 265 190 170mm weight: 1.53kg (not including the battery)