... , option : withoutMain display1" LCD 3 displays (sale, volume, unit price) with back lightingDisplay digits with shifted decimal pointStandard : 6 ... digits with unit priceOption 1: 7 digits for sale, 6 digits for volume, 5 digits for unit priceOption 2 : 8 digits ... unitFM500 positive displacement type, 4 piston, with ±0.2% accuracyPumping unitVane type with built-in air separator, suction strainer and ...