These gauges have stainless steel or Inconel carrier backings and are designed to be spot welded to the test specimen. The greatest feature of this series is a capability of measurement in high temperature except AWC-8B. Sensing elements excluding that of AW-6 are encapsulated in stainless steel or Inconel tube to maintain good stability for measurement in harsh environment.
Datasheet: FAC series Crack detection gauge
| Main Test Materials | Metal | Materials Backing | Epoxy |
|---|---|---|---|
| Operating Temperature | -20 to +80°C | Materials Element | Cu-Ni alloy foil |
| Compensation range | -- | Strain limit | --- |
| Bonding adhesive | CN,RP-2 | Fatigue life at room temp. | --- |
| type | measuring range (mm) |
backing size (mm) |
resistance (Ω) |
grid interval (mm) |
number of grid |
|---|---|---|---|---|---|
| FAC-20 | 20 | 43×25 | 1 | 0.5 | 41 |