The Instrument can be configured to work on Steam Natural gas or any gasAccepts up to three inputs FLOW( mA ), PRESSURE( mA ), TEMPERATURES ( RTD)Gives efficient Pressure and Temp. Compensations for Mass Flow CalculationsRetransmission and RS-485232 communication AvailableCalculates Flow rates in NM3Hr. or SM3Hr. as selected810 digit Flow Totalizer with Password protected ResettingWeather proof or flame proof housing