The World's Largest Loop Powered Instrument Manufacturer since 1974 brings you its Model LPX which is a variation of the World's First Loop Powered Meter with Serial I/O, the LPM and LPE. The LPX has several added features such as Industry Standard I.R.D.A. communications (I/O) that eliminates the need to stop the hazardous process to re-scale or calibrate the meter. Serial I/O via RS232, 485 or USB to give you on-site data via wires. Provisions for Signal Conditioners to convert T.C., RTD, S-G, etc. at your request. The compact E.P. housing is the smallest in the market, yet it is fully Class I, Div. 1 & 2 Certified with 3 NPT ports and the display can be rotated 90 degrees inside the case!