P series Polyester wire strain gauge 
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 |
|---|---|
| Operational temperature (℃) | -20 to +80 ℃ |
| Temperature compensation range (℃) | +10 to +80 ℃ |
| Applicable adhesive | CN-E, RP-2, PS |
| Backing | Polyester |
| Element | Cu-Ni (wire) |
| Strain limit at room temperature | 2 % (20000 x 10-6 strain) |
| Fatigue life at room temperature | 1 x 105 (±1000 x 10-6 strain) |
- Features
Construction of strain gauge on concrete test piece
Attaching strain gauge to concrete (CN-E adhesive)
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Single-element / two-element / three-element
Gauge pattern Type Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)Single-element 
PL-60-11 60 1 74 8 120 PL-90-11 90 1 104 8 120 PL-120-11 120 1 134 8 120 2-element 
PLC-60-11 60 1 74 74 120 3-element 
PLR-60-11 60 1 74 74 120 Each package contains 10 gauges.
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Dedicated integral leadwire recommended for P series
Application Product name Lead wire code Operating temperature
(℃)Leadwire code exampled General use (temperature unchanged during measurement) Paralleled vinyl LJB-F -20 to +80 PL-60-11-3LJB-F Paralleled vinyl LJC-F PL-60-11-3LJC-F General use 3-wire paralleled vinyl LJBT-F -20 to +80 PL-60-11-3LJBT-F 3-wire paralleled vinyl LJCT-F PL-60-11-3LJCT-F 1-gauge 4-wire system Polypropylene 4-wire parallel wire
(with modular)LQM-F -20 to +100 PL-60-11-3LQM-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 (Single-element)
Leadwire used: 0.11 mm2 / Total leadwire resistance per meter: 0.32 Ω
Type Gauge
length
(mm)
Gauge
width
(mm)
Backing
length
(mm)
Backing
width
(mm)
Resistance
(Ω)Lead wire
pre-attachedType name
of lead wire
preattachedPL-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-FPL-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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