Description The contact IC card smart gas meter with prepayment function is equipped with functional modules such as IC card and valve control switch to complete the gas volume reading and settlement. The meter accumulates the gas volume purchased by the users, monitors and records the gas use process, as well as conducts terminal settlement; the prepaid gas meter also automatically manages the valve according to the remaining gas volume and its operating status; Through the prepayment management system, independent payment terminal and Bluetooth card reader, the gas company's charging and user payment needs could be satisfied. Key Strengths Amount/volume measurement (optional) Prepayment functionality Parameter passing via the card Low power consumption design Bar-code traceability Multi-step gas pricing IP65 protection grade Anti-reverse ventilation and counting function Real time fee deduction Stable valve control High measurement accuracy Stable product performance with more than 20 years market application Excellent card compatibility and system integration Safety Features Abnormally high flow rate cut-off alarm Long-term unused gas cut off alarm No magnetic interference Over-current protection Autonomous valve shut off due to zero gas consumption, loss of power, deadlock and under-voltage Gas anti-stealing Low gas volume alarm Anti-tamper protection