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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.
