This gauge has been specially designed for measuring interior strain in concrete and mortar under a loading test. The PM is sealed between thin resin plates, and the PMF employs super engineering plastics capable of superior water-proofing characteristics.
Datasheet: PM series Mold strain gauge
Datasheet: PMF series Mold strain gauge
| Main Test Materials | Concrete, mortar | Materials Backing | Acrylic(PM) Special plastics(PMF) |
|---|---|---|---|
| Operating Temperature | -20 to +60°C | Materials Element | Cu-Ni alloy wire(PM) Cu-Ni alloy foil (PMF) |
| Compensation range | --- |
Strain limit | 2% (20000×10-6) |
| Bonding adhesive | --- |
Fatigue life at room temp. | --- |
Single element(G.F. 2.1 approx.) [series "PM"]
0.3mm2 heat resistive vinyl leadwire 2m pre-attached
Total resistance per meter : 0.12 (Ω)
| type | gauge length (mm) |
gauge width (mm) |
backing length a (mm) |
backing width b (mm) |
Backing thickness c(mm) |
d (mm) | resistance (Ω) |
|---|---|---|---|---|---|---|---|
| PML-60-2L | 60 | 1 | 125 | 13 | 5 | 40 | 120 |
| PML-120-2L | 120 | 1 | 180 | 13 | 5 | 65 | 120 |
| PML gauges with pre-attached lead wire of 3-wire system are available on request | |||||||
Single element(G.F. 2.0 approx.)Quarter bridge with 3-wire system [series "PMF"]
0.09mm2 3-wire paralleled vinyl leadwire 2m pre-attached
Total resistance per meter : 0.4 (Ω)
| type | gauge length (mm) |
a (mm) |
b (mm) |
c (mm) |
d (mm) |
Resistance (Ω) |
|---|---|---|---|---|---|---|
| PMFL-50-2LT | 50 | 60 | ø8 | ø4 | 27 | 120 |
| PMFL-60-2LT | 60 | 70 | ø8 | ø4 | 32 | 120 |
Temperature integrated PMF gauges are available on request.