6600 : For milk according to GERBER‘s method, large model: negative scale, with thermometer in stem, 1.020-1.040: 0.0005 g/ml, T= 20 °C, 10-40 °C, approx. (300 x 28) mm, normal design/standard model.
6610 : For milk according to GERBER‘s method, small model: with thermometer in the body, 1.020-1.035: 0.0005 g/ml, T= 20 °C, 0-40 °C, approx. (210 x 17) mm, normal design / standard model.
6630 : For milk according to Quevenne‘s method, coloured triple scale: 1.015-1.040: 0.001g/ml, T= 20 °C with thermometer 0-40 °C, approx. (290 x 22) mm.
6631 : For milk according to Quevenne‘s method, coloured triple scale: 1.015-1.040: 0.001g/ml, T= 20 °C without thermometer, approx. (210 x 22) mm.