For the first thirty years that Norbar manufactured torque measuring instruments we were not too concerned about what people did with the data that the instrument produced. Of course, the earliest versions did not even provide a means of electronically transferring the data from the instrument to any other device, so the provision of RS-232 in the 1980s seemed like an advance, but a costly one, because we charged over £200 extra or the privilege. Also, it took so much space in the lid of the instruments (TWA and ETS) that you could not have RS-232 and an internal battery pack.  Those were the days! The real Norbar instrument geeks will remind me that RS-232 was not our first means of data transfer – that was Binary Coded Decimal (BCD) on the ETTA instrument of the ‘70s and ‘80s, but I am going to gloss over that! Thankfully, RS-232 became standard on instruments from 1994 although there is now a question of whether new generation products should include it because ...

Read the rest of entry »