Non-contact incremental magnetic linear measurement system Limes LI20 / B1 -- consisting of sensor probe LI20 and tape B1 -- has a resolution of up to 10 microns and a large distance of 1 mm between sensor and tape. With its strong aluminum alloy case and stainless steel cover, wide temperature range and UV resistant cable, it is suitable for outdoor applications. The protection of IP68/IP69k, special packaging technology and the performance through the heat and humidity cycle test make this product has high reliability even when used outdoors.