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PF series Polyester foil strain gauge　CE_logo

These are foil strain gauges utilizing a polyester resin backing which is the same as the P series. It is suited mainly to strain measurement on concrete or mortar.

Applicable specimen Metal, Mortar
Operational temperature(℃) -20 to +80 ℃
Temperature compensation range(℃) +10 to +80 ℃
Applicable adhesive CN-E, RP-2, PS
Backing Polyester
Element Cu-Ni
Strain limit at room temperature 2 % (20000 x 10-6 strain)
Fatigue life at room temperature 1 x 106 (±1500 x 10-6 strain)
Features

Construction of strain gauge on concrete test piece

 

Attaching strain gauge to concrete (CN-E adhesive)

  • 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
    pfl_1011    		 PFL-10-11 10 0.9 17.5 5 120
    PFL-20-11 20 1.2 28 6 120
    PFL-30-11 30 2.3 40 7 120
    2-element
    pflc_3011    		 PFLC-20-11 20 1.2 28 28 120
    PFLC-30-11 30 2.3 40 40 120
    3-element
    pflr_3011    		 PFLR-20-11 20 1.2 28 28 120
    PFLR-30-11 30 2.3 40 40 120

    Each package contains 10 strain gauges.

  • Dedicated integral leadwire recommended for PF 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 PFL-10-11-3LJB-F
    Paralleled vinyl LJC-F PFL-10-11-3LJC-F
    General use 3-wire paralleled vinyl LJBT-F -20 to +80 PFL-10-11-3LJBT-F
    3-wire paralleled vinyl LJCT-F PFL-10-11-3LJCT-F
    1-gauge 4-wire system Polypropylene 4-wire parallel wire
    (with modular)    		 LQM-F -20 to +100 PFL-10-11-3LQM-F

    * PFLC-20-11, PFLR-20-11, PFLC-30-11, and PFLR-30-11 cannot be additionally outfitted with a lead wire
    * Only the leadwires using lead-free solder are available for strain gauges with CE marking.

  • Standard leadwire integrated strain gauges of PF series (Single-element)

    Leadwire used: 0.11 mm2 / Total leadwire resistance per meter: 0.32 Ω

    pfl_1011_lead
    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
    PFL-10-11 10 0.9 17.5 5 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1LJC-F
    -3LJC-F
    -5LJC-F
    -3LJCT-F
    -5LJCT-F
    PFL-20-11 20 1.2 28 6 120 Paralleled 1m
    Paralleled 3m
    Paralleled 5m
    3-wire 3m
    3-wire 5m    		 -1LJC-F
    -3LJC-F
    -5LJC-F
    -3LJCT-F
    -5LJCT-F
    PFL-30-11 30 2.3 40 7 120 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.
    * PFLC-20-11, PFLR-20-11, PFLC-30-11, and PFLR-30-11 cannot be additionally outfitted with a lead wire

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