Our Polar Linear Measuring System LMS Replacement Set is the perfect, low-cost substitute for the original LMS for Polar 76-155EMC machines. Based on results from our extensive tests and customer feedbacks, it is a proven replacement that works flawlessly in Polar 76-155SD/SDP/EM/EMC machines. And it is easy and straightforward to install. Our LMS uses a high precision encoder and our specially designed conversion circuit board with built-in software. It quickly and accurately picks up decoded data and store them in multi-integrated chipsets. Comparing to standard single chip products, our innovative product exhibits substantially improved accuracy, reliability and durability.