Fully-Automatic Ultrasonic Gas Meter Test Bench is an equipment based on the medium of air or gas, can produce accurate instantaneous flow with a wide flow range and better small-flow performance. It is equipped with heating and cooling device and temperature control function. Automatic control system can significantly improve the accuracy and efficiency during development period and mass production calibration.
◎ Support for R&D and mass production of G1.6, G2.5, G4 (residential) and G6, G10, G16, G25 (commercial).
◎ High precision grinding hydraulic cylinder, good linear segmented volume.
◎ Four kinds of automatic continuously testing operation modes all including：
Automatic switching flow and temperature point
Automatic data acquisition of flow, temperature and ultrasonic time difference
Automatic generation and release of calibration coefficients
Automatic generation of verification error data
◎ Temperature control, heating and cooling.
◎ Closed-loop, recycling, better gas feedback, energy and gas saving.
◎ Support to access internet, for remote upgrade and information system assessment.
◎ Support for pressure loss test.
◎ Maintenance free.
◎ Number of DUT: 8 with G1.6, G2.5 and G4, 8 with G6, G10, G16 and G25
◎ Flow Rang: 0.008m3/h – 48m3/h
◎ Uncertainty: 0.2% (K=2)
◎ Temperature range: -20 ℃ ~ +65 ℃
◎ Characterization speed: 24 hours for 10 temp and 20 flow points
◎ Metrological verification speed: 10 mins @ 4 flow points
◎ Meter reading interfaces: Infrared, RS485 and M-Bus
◎ Working pressure: up to 30kPa
◎ Dimension: 5,000*3,000*3,000mm3
◎ MP calibration speed: 250 meters meters within 8 hours @ G6, G10, G16 and G25
300 meters meters within 8 hours @ G1.6, G2.5, G4
◎ Working power: 20 KW @ characterization system, 15 KW @ MP system and metrological verification
◎ Weight: 3t