Profile: Mount Sopris Instrument Co., Inc. specializes in offering portable digital loggers, acquisition systems and winches. Our portable digital logger is a ultra-lightweight package features weather-resistant detachable instrument electronics. Our 4WNA series winches are designed for installation in logging vehicles or skid units. Our larger WN series of winches are designed to be mount in vehicles and can be spooled with coaxial cable for combination of video/geophysical installations.