Trimble Instrument Rain Cover for S-Series Protect your compatible Trimble S-Series Total Station from rain and wet field conditions with this genuine Trimble Instrument Rain Cover . Designed to cover the instrument rather than only the lens, it provides a simple protective solution for changing weather conditions in the field. Key Features Helps protect the instrument from rain and moisture during wet field conditions. Lightweight, simple protective accessory that can be kept with the instrument for unexpected weather.