Measuring instrument

electronic test equipment water meter spectroscope Ocean Data Acquisition System Bus analyzer VU meter Field strength meter Brunton compass ANITA (ISS) Gunter's chain Azimuth compass tree caliper Electrical conductivity meter current meter pH meter peak programme meter dosimeter Schering Bridge rate gyro magnetometer surveyor's wheel mural instrument marine sandglass Automatic test equipment meteorological instrument colorimeter sextant torsion balance activity sensor thermal mass flow meter alcoholic spirits measure speedometer Geiger counter gyroscope analog measuring instrument Biltmore stick gravimeter Cruising rod tensiometer frequency meter optical time-domain reflectometer dumpy level hook gauge Humidity indicator card exposure meter electricity meter planimeter chip log total station Groma surveying