If the household is a membrane gas meter, want to query the remaining amount, only need to switch to the remaining gas consumption can be queried. Usually it will be displayed on the left side, just press the button on the top. Note that there are numbers above, the first few are integer parts, the last few are decimal parts, read out according to the normal reading, you can understand the remaining gas consumption at home.
The way to see the balance of the remote smart mode gas meter is to open the gas meter. Then the data displayed after the connection is successful. Check.