... ×12012012011011080111111160×80160801507510011211296×969696909080919180×8080807474807575120×601206011555801165672×727272666680676796×4896489044100914548×4848484444704545ultrasonic gas metersFour Button on the panel, can set the parameters by user14mm,7 ... Segmental , three line four digital LED display.Relative accuracy is 0.2 and 0 ...