Gw instek gdm 8245 d50000 counts dual display digital multimeter gw instek gdm 8245 p the gdm 8245 is an economical bench top dmm equipped with a rich set of features the gdm 8245 has similar functions to those of gdm 8246 but with slightly reduced dcv accuracy and no communication interface the large 7 segment led dual display features up to 50 000 counts and the ability to show two measurements at once acv plus frequency or dbm dcv plus dbm or acv ripple p p the gdm 8245 carries a