Mettler Toledo Protective Guard Optiox Unit EA. The smart Mettler Toledo Optiox Ph Electrode combines excellent performance with smart features. The Protective Guard Optiox 51344632 offers enhanced features such as multiple connections and multiple I/O channels that ensure effective communication and storage of Ph readings. The Optiox Protective Guard 51344632 by Mettler Toledo comes in a small tube and can be used for quick reliable and secure sampling of I/O signals from most sampling devices including otoscopes smart phone tablets and notebooks. The front side of the Optiox carries the display and connectors that allow drop-in replacement of the battery and easy snap-in replacement of the display without having to replace the entire cable. While this special Mettler Toledo product is quite small it still offers the same level of performance as some of the more popular competitors. Specifications for Mettler Toledo Protective Guard Optiox 51344632: Catalog number: 89186-092 Type: PH METERS Description: PROTECTIVE GUARD OPTIOX Supplier Number: Package Contents: Mettler Toledo Protective Guard Optiox 51344632 / 89186-092 The Mettler Toledo Protective Guard Optiox 51344632 is a quality addition to the Mettler Toledo lineup. For more great deals on pH Meters by Mettler Toledo please browse our Mettler Toledo pH Meters page. Mettler Toledo Protective Guard Optiox 51344632 Unit EA