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EHELP: Can we run a pneumatic chart recorder with an IPT2 or IPX2 Current-to-Pressure Transmitter?

EHELP: Can we run a pneumatic chart recorder with an IPT2 or IPX2 Current-to-Pressure Transmitter?

Q: We need to combine a new system for reading tank levels with an existing system by replacing a Hagan instrument with a new Rosemount device. However, we need to ensure we can still run an existing 3-27psi pneumatic chart recorder. We’re considering using an I/P, but aren’t sure if the 4-20mA output from the new transmitter can be piggybacked. Is this possible?

A: If the 4-20mA loop can drive the load presented by Moore Industries’ I/P then you can piggyback the output and run your chart recorder. Our model IPT2 (DIN rail mounted) consumes 7.5V of the available loop compliance voltage. Our model IPX2 (field mounted) consumes 5V of the available loop compliance voltage. Both models offer a 3-27psi output.

For additional information, download the datasheet: IPT2 and IPX2.

Published: May 3, 2016
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