This is a foil strain gauge having the same transparent plastic backing as that of P-series gauges. Electrical insulation is excellent, and installation is very easy. It is especially recommended for the mortar measurements.
Datasheet: PF series Polyester foil strain gauge
| Main Test Materials | Metal, Mortar | Materials Backing | Polyester |
|---|---|---|---|
| Operating Temperature | -20 to +80°C | Materials Element | Cu-Ni alloy foil |
| Compensation range | +10 to +80°C | Strain limit | 2% (20000×10-6) |
| Bonding adhesive | CN,RP-2 | Fatigue life at room temp. | 1×106 (±1500×10-6) |
| gauge pattern | type | gauge length (mm) |
gauge width (mm) |
Backing length (mm) |
Backing width (mm) |
resistance (Ω) |
|---|---|---|---|---|---|---|
| Single element (G.F. 2.1 approx.)  |
PFL-10-11 | 10 | 0.9 | 18 | 6 | 120 |
| PFL-20-11 | 20 | 1.2 | 28 | 6 | 120 | |
| PFL-30-11 | 30 | 2.3 | 40 | 7 | 120 | |
| 90° 2-element Cross (G.F. 2.1 approx.)  |
PFC-10-11 | 10 | 0.9 | 18 | 18 | 120 |
| PFC-20-11 | 20 | 1.2 | 28 | 28 | 120 | |
 |
PFCS-10-11 | 10 | 0.9 | 21 | 21 | 120 |
 |
PFLC-30-11 | 30 | 2.3 | 40 | 40 | 120 |
| 45° /90° 3-element Rosette (G.F. 2.1 approx.)  |
PFR-10-11 | 10 | 0.9 | 18 | 18 | 120 |
| PFR-20-11 | 20 | 1.2 | 28 | 28 | 120 | |
 |
PFRS-10-11 | 10 | 0.9 | 21 | 21 | 120 |
 |
PFLR-30-11 | 30 | 2.3 | 40 | 40 | 120 |