SZ-RF series IC Card household diaphragm gas meter SZ-RF-1.6B , SZ-RF-2.5A ,SZ-RF-2.5B , SZ-RF-4.0A , SZ-RF-4.0B

1. Structures Integrated Design, concise appearance, fluentness line.
2. Built-in Motor valve, the movement is precise and reliable.
3. Complete separation of sampling, service safety
4. Electricity shortage prompts: Showing lack of electricity if Voltage is less than 4.75 V; shut the gas valve automatically, if Voltage is less than 4.0 V.
5. Gas shortage prompts: When the remaining gas in meter is less than 2m3, revealed that "lack of gas", and close the valve one time, Customer card can be anew open with informing user to Purchase gas.
6. Threefold dynamic passwords, secure, to prevent copying