Mettler-Toledo Ingold provides a wide range of pH sensor designs covering applications in the process industries. The harshest stream can be tamed with the proper glass and electrolyte choices. Interface to your vessel, pipe, or open channel with one of the many available stationary or retractable housings. Transmitter choices include the 2100e (4-wire), 2100e/2XH (2-wire Cl. I, Div. 1 w/ HART) and M700 (multi-parameter). Fully integrate your pH/ORP measurement with HART, FOUNDATION Fieldbus, or PROFIBUS communications.         Broad range of sensor designs, including non-glass pH and ORP       Feature-rich transmitter designs       Full range of housing choices for process interface   PRODUCT LITERATURE   2100e pH transmitter InPro 3300 non-glass pH sensor           M700 multi-parameter transmitter DPAS pH / ORP sensor           InPro 4501-4550 pH sensor EasyClean system             InPro 3250 pH sensor Inpro 1120-1140 Portable pH-ORP             InPro 4250-4800 pH sensor InTrac 7XXe housing