Gage Amplifier Instrument Information
An instrument containing an interchangeable rod, base and measurement readout. The base is placed on the plane of the hole to be measured and the thimble is turned until it bottoms out on the hole.

Common Uses
- Amplification of comparative dimensional measurements of very precisely machined parts.
Common Types
- Analog
- Digital
- Head Type (Lever, Cartridge)
Measurement Parameter
- Length
- Run-Out
Calibration Discipline
Calibration Equipment Used
- Gage Blocks