The PosiTector® RTR replica tape reader is a digital spring micrometer that measures peak-to-valley surface profile height using Testex™ Press-O-Film™ replica tape. It measures with improved accuracy because it adjusts for tape non-linearity. Advantages include reductions in measurement uncertainty, inspector workload, the likelihood of error and the number of replicas needed to assure accuracy. It conforms to all major international standards. Call 800/448.3835.