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The RHE21 is an advanced function, explosion proof, field mount transmitter. With a corrosion resistant stainless steel enclosure and through-glass operation capability, the RHE21 is rated to IP67 and suitable for the most extreme of installation environments. Multifunction capability provides real time mass and volumetric flow plus density and temperature indication with the option of connecting external sensors such as pressure transducers or precision densitometers for even greater measurement accuracy. Features such as API Standard Volume correction and Net Oil calculation are available. The RHE21 supports connection to any of the wide range of RHM series of mass flow sensors and can be supplied with a tamperproof switch for critical applications. When the unique Rheonik Assurance Factor® advanced diagnostics package is included, the RHE21 gives headache-free operation and provides deep insight into measurement conditions for precise process control. PDF datasheet