Thanks to some friendly associates, I was able to peek inside a congregation of 8020s, including an 8020 (produced 1993; last calibrated 2008), and 8020A (produced 2006; last calibrated 2010), and an 8020M a.k.a. M41 PATS (produced 1999; last calibration…

This post is relevant if you’re looking to connect your newly obtained Portacount (or two, or three) to your PC (or Mac, or Linux machine, or anything else with a USB port)? Sadly, these machines use a non-standard pin layout…