A&D EJ-303 - General Specs: EJ-123;EJ-303

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12. SPECIFICATIONS
12.1. Generals
MODEL EJ-123 EJ-303
Weight capacity 120 g 310 g
Readability 0.001 g 0.001 g
Repeatability (Standard deviation) 0.003 g 0.003 g
Linearity ±0.003 g ±0.003 g
Sensitivity drift ±20 ppm / °C (10 °C to 30 °C / 50 °F to 86 °F)
Number of samples 5, 10, 25, 50 or 100 pieces
Max. count * 120,000 pcs 310,000 pcs
Min. unit weight * 0.001 g
% readability 0.01 %
Min. 100 % weight 0.1 g
Display
7-segment LCD with backlight
(Character height 16 mm)
Display update 10 times per second
Operating temperature and
humidity range
10 °C to 30 °C / 50 °F to 86 °F,
85 %R.H. or less (non-condensing)
Power supply AC adapter or 4 x size “AA” batteries
Battery operation
Approximately 80 hours
(backlight off, alkaline batteries)
Weighing pan size 110 mm 
Weight Approximately 1160 g
Calibration weight (factory setting) 100 g 300 g
* : In case of “Umin 0” (factory setting)