Installation and maintenance guide for Barksdale 445 Series intrinsically safe pressure transmitters, including torque specs, surge protection, calibration…
This manual provides installation and maintenance instructions for the Barksdale 445 Series intrinsically safe pressure transmitter. It includes warnings about fluid hammer and surges, torque requirements, calibration details, and hazardous location approvals. The document also covers electrical connections, enclosure ratings, and performance characteristics.
Technical specifications are listed, including accuracy, temperature range, proof pressure, and electrical parameters. The manual advises installing pressure snubbers and surge chambers to prevent damage from fluid hammer and surges. It also includes a loop resistance chart and wiring diagrams for various connection types.
A pressure snubber and surge chamber should be installed to prevent damage from fluid hammer and surges.
Torque to 125 - 150 pound inches.