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Model：P Series Polyester Wire Strain Gauge
Use：These are wire strain gauges utilizing a polyester resin backing. They are mainly used for surface strain measurement on concrete, mortar or rock.
Standard：
These are wire strain gauges utilizing a polyester resin backing. They are mainly used for surface strain measurement on concrete, mortar or rock.
Applicable specimen | Concrete, Mortar
| Backing
| Polyester
|
|---|---|---|---|
Operational temperature(°C) | -20 ~ +80°C
| Element
| Cu-Ni (wire)
|
Temperature compensation range(°C) | +10 ~ +80°C
| Strain limit
| 2% (20000×10-6 strain) |
Applicable adhesive
| CN-E, RP-2, PS
| Fatigue life at room temperature | 1×105 (±1000×10-6 strain) |
CONCRETE, MORTAR, ROCK MATERIALS USE
Gauge pattern
| Type
| Gauge length (mm) | Gauge width (mm) | Backing length (mm) | Backing width (mm) | Resistance (Ω) |
|---|---|---|---|---|---|---|
Single-element (G.F. 2.1 approx.) 
| PL-60-11 | 60 | 1 | 74 | 8 | 120 |
| PL-90-11 | 90 | 1 | 105 | 8 | 120 | |
| PL-120-11 | 120 | 1 | 135 | 8 | 120 | |
| 90° 2-element Cross Stacked type (G.F. 2.1 approx.) 
| PLC-60-11 | 60 | 1 | 74 | 74 | 120 |
| 45°/90° 3-element Rosette Stacked type (G.F. 2.1 approx.) 
| PLR-60-11 | 60 | 1 | 74 | 74 | 120 |
Each package contains 10 gauges.
Dedicated integral leadwire recommended for P series
Recommendable integral leadwire for P/PF series with single element.
No integral leadwire is available for rosette element PLC, PLR, PFLC and PFLR.
Application
| Product name
| Lead wire code
| Operating temperature (°C ) | Leadwire code exampled
|
|---|---|---|---|---|
| General use (temperature unchanged during measurement) | Paralleled vinyl | LJB-F | -20~ +80 | PL-60-11-3LJB-F |
| LJC-F | PL-60-11-3LJC-F | |||
| General use | 3-wire paralleled vinyl | LJBT-F | -20~ +80 | PL-60-11-3LJBT-F |
| LJCT-F | PL-60-11-3LJCT-F | |||
| 1-gauge 4-wire system | 0.08mm2 polypropyrene 4-wire paralleled -LQM-F | LQM-F | -20~ +100 | PL-60-11-3LQM-F |
| 0.08mm2 vinyl 4-wire paralleled leadwire LBQM/LBQM-F | LBQM-F | -20~ +80 | PL-60-11-3LBQM-F |
* Strain gauges of 2-element / 3-element rosette are not available with integral lead wire.
* Only the leadwires using lead-free solder are available for strain gauges with CE marking.
Standard leadwire integrated strain gauges of P series
Leadwire used: 0.11mm2/ Total leadwire resistance per meter: 0.32Ω
Type
| Gauge length (mm) | Gauge width (mm) | Backing length (mm) | Backing width (mm) | Resistance (Ω) | Lead wire pre-attached | Type name of lead wire preattached |
|---|---|---|---|---|---|---|---|
PL-60-11
| 60
| 1
| 74 | 8 | 120
| Paralleled 1m Paralleled 3m Paralleled 5m 3-wire 3m 3-wire 5m | -1LJC-F -3LJC-F -5LJC-F -3LJCT-F -5LJCT-F |
PL-90-11
| 90
| 1
| 105 | 8 | 120
| Paralleled 1m Paralleled 3m Paralleled 5m 3-wire 3m 3-wire 5m | -1LJC-F -3LJC-F -5LJC-F -3LJCT-F -5LJCT-F |
* Minimum order quantity is 10 gauges.
* PL-120-11 is also available with integral leadwire.
* 2-element/3-element rosette strain gauges are not available with integral leadwire.
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