The specifications for the UT52A and UT55A say that the main unit weighs less than 0.5 kg, but what are the actual weights?

The following are the weights of the main models:
UT55A-000-00-00 Approx. 375 g
UT55A-010-00-00 Approx. 435 g
UT52A-000-00-00 Approx. 245 g
UT52A-010-00-00 Approx. 265 g
UT55A-200-01-00 Approx. 390 g
UT55A-030-01-00 Approx. 390 g