Inspects, maintains, and performs repairs and preventative maintenance on measurement devices and equipment such as, but not limited, to flow computer, mass flow meters, turbine meters, Coriolis meters, gas chromatographs, sulfur analyzers, and other related devices. Develops understanding of causes of measurement uncertainty e.g., selection of appropriate metering device, metering device installation, proper meter operation, processing of metering information, maintenance of metering devices.