BASI 271 ultrasonic
Wetted Materials -  Cast iron
Range – 1:50 | 1:100
Pressure Max – 232Psi ( 16 bar ) / 362 Psi ( 25 bar ) , Default 16 bar
Serial Communication – MODBUS RTS, or BACNET MS/TP

BASI 230 ultrasonic 
Wetted meterials – Brass or Stainless Steel
Range -  1 : 100 or 1 : 50 ( DN 15 -  DN40 )
Pressure Max – 232 Psi ( 16 bar ) / 362 Psi ( 25 bar ) , Default 16 bar
Serial Communication – M-BUS , MODBUS , or BACNET