Silver CarePlan - Group 4 - 4 Yrs. Fluke CarePlans - The most comprehensive service plan available. Everything you need to make your life easier and worry-free. A comprehensive instrument calibration and repair extended warranty plan that minimizes your downtime and protects your investment in your Fluke products. Models: 975, 1625, 1735. Extends warranty from 2 to 4 years Calibration included on repairs covered by your plan Guaranteed 5 day in-house repair (including calibration) Pre-paid freight on return of instrument.