This gauge is designed to measure progress (length) of a crack and its rate of its growth in a pre-determined location on a test specimen for which metal fatigue monitoring is required. A special adaptor (CGA-120A) is required between the FAC-20 gauge and the strainmeter.
| 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 |
|
