Global Digital Caliper Market By Type (0-200mm , 0-300mm , 0-400mm , 0-500mm , 0-600mm , 0-800mm , 0-1000mm , and 0-2000mm), By Application (Engineering , Research laboratories , Manufacturing , and Academia), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029