Mettler Toledo Inlab Power Ref System Unit EA. The constant but controlled gradual discharge of electrolyte by the ceramic diaphragm ensures extremely reliable and reproducible results. Inlab power. Specifications for Mettler Toledo Inlab Power Ref System 51343110: Manufacturer: Mettler Toledo Fabric/Material: Glass Operation Temperature Range: 0 - 100 Celsius Length: 120 mm Available quantity options: Each Package Contents: Mettler Toledo Inlab Power Ref System 51343110 / 97001-620 The Mettler Toledo Inlab Power Ref System 51343110 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 Inlab Power Ref System 51343110 Unit EA