For sale are new, genuine OEM calibration buttons for the Fluke multimeter models listed below. They are placed over the hole on the inside of the back cover and serve to seal the meter from the environment.

• 87-IV
• 89-IV
• 187
• 189
• 789

NOTE: This sale is for a quantity of ONE calibrator button only. Back case is shown for reference only and is not included.

We have many other Fluke parts available. Check out our other listings here: Fluke parts from ScopemeterRepair.com. Send us a message if you don't find what you are looking for!