Profile: Emveco Inc. manufactures, sells and services laboratory test instruments for paper & film industries. The GP-75 caliper is battery operated with 3,000 hour battery life, and has built-in carrying handle for portability. It is equipped with an RS-232 port for printing readings or data collection. The model 210-A caliper gauge has RS-232 interface for operation with any computer or data collection system. It also has software programs that provide the test information (printouts) and graphic profiles in any format.