This document provides information on the Elcometer 456 coating thickness gauge. The gauge allows for accurate and reliable measurement of coating thickness up to 31mm on various substrates. It features a fast reading rate, large easy-to-read display, durable construction, and ability to store up to 150,000 readings. The gauge works with various interchangeable probes and can output data via USB or Bluetooth. It is suitable for use according to various international standards.