Invar Master Bar is required for verifying the calibration of the Strain Gauge. Models are available for use with the U.S. or Metric units of measure Strain Gauge Sets. The bar is made of Invar nickel-iron alloy with a very low coefficient of thermal expansion. Threaded stainless steel inserts with 2, 4, 6, 8, and 10in or 5, 10, 15, 20, and 25cm spacing are used to verify gauge spacing.
Features:
- Invar nickel-iron alloy has exceptional thermal stability
- Stainless steel inserts to verify gauge spacing
Included Items:
- Invar Master Bar, U.S. or Metric
