PMC Smart Electronic Pressure Transmitters (SMT PT/EL) combine state-of-the-art temperature compensated capacitive sensor technology with microprocessor-based electronics to provide remote digital communications using a HART® protocol communicator. Using the HART® communicator, the transmitter can easily and remotely be configured for specific ranges, calibrated, and tested. The transmitter provides a two‑wire 4-20 mA output.
The SMT PT/EL transmitters accurately measure pressure, level, and vacuum in processes where clogging of the diaphragm face is a particular concern. The small, 1½” diameter of the transmitter allows installation flush with the inside wall of pipes 3″ in diameter and larger. This feature eliminates the usual pocketing problems encountered with conventional flange-mounted and recessed-diaphragm transmitters. The high precision capacitive ceramic sensor is ideally suited for high-wear applications.
The SMT PT/EL Series of transmitters offers overpressure protection of up to 10 times the full scale range. The NEMA 4X rated, Anodized Aluminum Terminal Junction Head provides a flexible solution for connection to the transmitter and can be configured with a Local LCD Display. Access to the terminal strip is provided through the threaded and O-ring sealed cover. Cables enter the Terminal Junction Head via a ½” NPT threaded port. The optional ½” Nylon Gland Nut provides a liquid-tight cord connection.