This gauge employs a special grid pattern to minimize the effect of reinforcement effect on composite materials. Self-temperature compensation is available with thermal expansion values of 3, 5 and 8ppm/°C.
| Main Test Materials | Composites materials | Materials Backing | Polyimide |
|---|---|---|---|
| Operating Temperature | -20 to +200°C | Materials Element | Cu-Ni alloy foil |
| Compensation range | +10 to +80°C | Strain limit | 3% (30000×10-6) |
| Bonding adhesive | CN ,NP-50 | Fatigue life at room temp. | 1×106 (±1500×10-6) |
Single element(G.F. 2.1 approx.)
| gauge pattern | type | gauge length (mm) |
gauge width (mm) |
backing length (mm) |
backing width (mm) |
Resistance (Ω) |
|---|---|---|---|---|---|---|
 |
BFLA-2-3 BFLA-2-5 BFLA-2-8 |
2 | 0.9 | 7.6 | 2.5 | 120 |
| BFLA-5-3 BFLA-5-5 BFLA-5-8 |
5 | 1.5 | 12.3 | 3.3 | 120 |