This gauge is specially designed to separately measure bending and tensile stresses by simply bonding the gauge to one side of a plate or beam. It works on the assumption that strain distribution in the section of a plate or beam which is subjected to both types of stress is linear.
| Main Test Materials |
Metal |
Materials Backing |
Acrylic |
| Operating Temperature |
-10 to +70°C |
Materials Element |
Cu-Ni alloy foil |
| Compensation range |
__ |
Strain limit |
0.15%
(1500×10-6) |
| Bonding adhesive |
CN,P-2 |
Fatigue life at room temp. |
1×105
(±1000×10-6) |
| Type |
Gauge
length
(mm) |
Gauge
width
(mm) |
Backing
length
(mm) |
Backing
width
(mm) |
Backing
thickness
(mm) |
Resistanc
(Ω) |
Thickness of applicable specimen
(mm) |
| DD-1-15 |
3 |
2.9 |
15 |
7 |
1 |
350 |
Approx.5 or less |
| DD-2-30 |
3 |
2.9 |
30 |
7 |
2 |
350 |
Approx.5 to 10 |
| DD-3-45 |
3 |
2.9 |
45 |
7 |
3 |
350 |
Approx.10 to 15 |
|
