FAC series Crack detection gauge

FAC series crack detection gauges are designed to measure the length and propagation speed of cracks occurring as a result of metal fatigue in machinery, ships, aircraft, and automobiles. A gauge is adhered beforehand where cracks have occurred or are predicted to occur. As a crack progresses, the grid lines separate one after another, and output value changes. Use together with the special adaptor CGA-120B.

Applicable specimen Metal, Concrete
Operational temperature(℃) -30 to +80℃
Temperature compensation range(℃) -
Applicable adhesive CN, RP-2
Backing Special plastics
Element Cu-Ni
Strain limit -
Fatigue life at room temperature -

  • CRACK LENGTH AND PROPAGATION MEASUREMENT
    img_fac_02
    Type Measuring
    range
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Gauge
    resistance
    (Ω)     		 Grid
    interval
    (mm)    		 Number
    of grid 
    FAC-5 4.5 28 5 1 0.1 46
    FAC-20 20 43 25 1 0.5 41

    Each package contains 10 gauges.

    Type Number of channels Operational temperature Dimension Weight
    CGA-120B 1 -30 to +80℃
    (except condensation)    		 20(W) x 15(H) x 15(D)mm
    (except projections)    		 Approx.5ｇ

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