6620 : For milk: according to former DIN 10290, without thermometer, 1.020-1.045: 0.0005 g/ml, T= 20 °C, approx. (350 x 25) mm, standard version
6640 : for butter milk serum: DIN 10293, without thermometer, 1.014-1.030: 0.0002 g/ml, T= 20 °C, standard model, approx. (240 x 21) mm
6660 : For condensed milk (reading at the top): 1.000-1.240: 0.002 g/ml, T= 20 °C, approx. (310x19) mm
6661 : For condensed milk (reading at the top): 1.040-1.080: 0.001 g/ml,T= 20 °C, approx. (230x21) mm
6670 : For yoghurt and chocolate milk: with thermometer in the body, reading at the top, 1.030-1.060: 0.001g/ml, T= 20 °C, approx. (220 x16) mm
6680 : Hydrometer for brine/Beaumé (0-30/0.5 Bé, T= 15 °C): without thermometer, approx. (240x17) mm
6681 : Hydrometer for brine/Beaumé (0-30/0.5 Bé, T= 15 °C): with thermometer: (0-40) °C