Download of PC Link Plus 2.1 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among the software users are 2.1 and 1.1. PC Link Plus belongs to Photo & Graphics Tools.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. PCLinkPlus.exe or SWImport.exe are the default file names to indicate the PC Link Plus installer. The actual developer of the program is SANWA TESMEX Co.,LTD.
From the developer:
The PC Link system is the software dedicated to a PC for retrieving data outputted from a SANWA digital multimeter (PC series). The operation screen displays graphs in real time to allow you to check changes in measured values (voltage, current. etc.) with ease. Measured data can be saved on a CSV file, so it is easily processed on Excel.
You may want to check out more software, such as OBD-PC Link, PC Link Tuner or EAl400T PC-Link, which might be related to PC Link Plus.