| 摘要 |
Device for calibration, metrological attestation and verification of gas meters and flow meters consists of a system of pipelines with unit for formation of gas flow, set of installed in parallel reference gas meters and the gas meter under investigation that is installed in sequence with respective reference meter, system for flow rate control, device for smoothening air pulsations for air that goes out from the meter under investigation, transformers of temperature and pressure, units for signal takeoff, system for collection, transfer and processing of information. In the set of installed in parallel reference meters at least two reference meters are installed on parallel reference lines between the collector vessels with possibility of simultaneous operation. |
