When the TankRadar Rex gauge is connected with a pressure transmitter near the bottom of the tank, the density of the product can be calculated and presented on-line. The accuracy of the density calculation largely depends on the accuracy of the pressure transmitter. TankRadar Rex can interface to any pressure transmitter with a standard output of 4-20 mA or HART. The 4-20 mA signal is converted from analog to digital form in the RTG.
The standard pressure transmitters supplied with the TankRadar Rex system for in-liquid mounting is Rosemount 3051 and Rosemount 3051S. See the Rosemount page for more information.