HWMonitor is a free tool that reads PC systems main health sensors : voltages, temperatures, fans speed.
To monitor the voltage and temperature of your system you don’t need to do anything with the hardware when the free tools like HwMonitor can monitor voltage, temperature and fan speed of your system.
HWMonitor handles the most common sensor chips, like ITE® IT87 series, most Winbond® ICs, and others. In addition, it can read modern CPUs on-die core thermal sensors, as well has hard drives temperature via S.M.A.R.T, and video card GPU temperature.
This free tool is available in both binary and zip files. When you install HwMonitor it would ask you to install Ask toolbar. You can choose not to install it and it will not affect the installation of this application.