PAL-1 or PAL-1 BLT/i or PAL-1 BLT/A+W

It is the best seller model to measure sweetness of almost all fruit juice.  3 versions are available :

PAL-1 offers NFC function which can be used to transfer data to android devices or PC with NFC readers

Other 2 vesions let you send up to 100 sets of data to iPhone or android device by bluetooth.  A free app "ATAGO LOGGER" is available for download.