A&D Weighing GX Series is so complete that we can call it the user friendly balance. It’s available in eight different capacities ranging from 210g to 8100g, many features are included and accessories are available. Look no further, we offer the best prices in top loading balances. Model GX-06 (Analog Output) is one of our accessories that require factory installed. Best Lab Deals is not accountable for any factory installations.