Strain Gage Transducers Instruments Special Instruments Strain gage

 

 

SF Series
Stress Gage

This is a foil strain gage with a polyimide backing and is designed for measuring stress in the optional direction in a plane stress field. It detects stress in the gage axial direction regardless of the shearing strain. This gage is available for three materials: mild/ferritic steel (Poisson's ratio=0.285), stainless steel SUS304 (Poisson's ratio=0.305), and aluminium (Poisson's ratio=0.330).

Main Test Materials Metal Materials Backing Polyimide
Operating Temperature -20 to +200°C Materials Element Cu-Ni alloy foil
Compensation range +10 to +100°C Strain limit -
Bonding adhesive NP-50
CN,C-1		 Fatigue life at room temp. 1×106
(±1500×10-6)

  • Single element(G.F. 2.1 approx.)

    • Gage pattern Type Gage
    length
    (mm)    		 Gage
    width
    (mm)    		 Backing
    length
    (mm)    		 Backing
    width
    (mm)    		 Resistance
    (Ω)    		 Poisson's ratio of specimen
    SFA-285-11 4 3 9 6 120 0.285
    SFA-305-17 4 3 9 6 120 0.305
    SFA-330-23 4 3 9 6 120 0.330

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