The meter can be uninstalled by running the appropriate package commands:
CentOS, RedHat, ...
sudo yum remove truesight-meter
Ubuntu, Debian, ...
sudo apt-get purge truesight-meter
Note: TrueSight Pulse Meter directory is /etc/truesight, which also contains configuration files and plugins. In some cases it is not removed, you can safely remove it manually after uninstalling the meter.