The 4100e/2(X)H is a two-wire transmitter that offers high accuracy and a high degree of safety. Unit features a loop-powered design including HART&reg (AMS Compliant) digital communication. The transmitter is ideal for hazardous areas with its ATEX and FM Class 1; Div 1 approvals (FM pending). The enhanced features of the x100e transmitter platform facilitate multiple calibration options including a unique process calibration option and calibration in either a gas or liquid environment. The electronics of the transmitter are well isolated which virtually eliminates plant noise and other electrical interferences from affecting the oxygen measurement.