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YEF series Post-yield strain gauge

These gauges are applicable to the measurement of large strain up to 10 to 15%. Also these withstand the repeated strain in elastic range (at strain level ±1500 × 10-6 strain) like ordinary strain gauges. However, these are not applicable to the measurement of repeated strain in a large range.

* Suitable when a large strain measurement is made after a few days or more of bonding the strain gauge.

Applicable specimen
Metal
Operational temperature(℃)
 YEFGOBLET : -30~+80°C
YEF: -20~+80°C
Temperature compensation range(℃)
 -
Applicable adhesive
 CN, CN-Y
Backing
Special plastics
Element
 Cu-Ni
Strain limit
 10 to 15 %(100000 to 150000x10-6 strain)
Fatigue life at room temperature
 5x105(±1500x10-6 strain)

  • GOBLET series goblet_log_sSingle-element / two-element / three-element　CE
    Gauge pattern
    Type
    Gauge
    length
    (mm)
    Gauge
    width
    (mm)
    Backing
    length
    (mm)
    Backing
    width
    (mm)
    Resistance
    (Ω)
    Single-elementyeflab_2 YEFLAB-2 2 1.8 7 4 120
    YEFLAB-5 5 1.9 10.5 4 120
    90° 2-element Rosette
    Plane type
    (G.F. 2.1 approx.)yefcab_2    		 YEFCAB-2 2 1.8 9.5 9.5 120
    YEFCAB-5 5 2 13.5 13.5 120
    45°/90° 3-element Rosette
    Plane type
    (G.F. 2.1 approx.)yefrab_2     		YEFRAB-2 2 1.8 9.5 9.5 120
    YEFRAB-5 5 2 13.5 13.5 120

    * Each package contains 10 gauges.

  • 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
    yefla_2    		 YEFLA-2 2 1.8 7.5 4 120
    YEFLA-5 5 1.9 12 4 120
    90° 2-element Rosette
    Plane type
    (G.F. 2.1 approx.)
    yefca_2    		 YEFCA-2 2 1.8 10 10 120
    YEFCA-5 5 2 14.5 14.5 120
    45°/90° 3-element Rosette
    Plane type
    (G.F. 2.1 approx.)
    yefra_2     		YEFRA-2 2 1.8 10 10 120
    YEFRA-5 5 2 14.5 14.5 120

    * Optional -F availability (lead-free solder)
    * Each package contains 10 gauges.

  • Leadwire-integrated YEF series (made-to-order)
    Application Product name Lead wire code Operational
    temperature
    range    		 Leadwire code
    exampled
    General use (temperature unchanged
    during measurement)    		 Paralleled vinyl LJC/LJC-F
    -20 to +80 ℃
    		 YEFLA-5-3LJC
    General use 3-wire paralleled vinyl LJCT/LJCT-F
    -20 to +80 ℃
    		 YEFLA-5-3LJCT

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