... .; With high accuracy; Good stability and simple application. Gauge ModelGauge GridGauge BackingGauge Creep CodeBF120-3AA-**2.8x2.06.4x3 ... resistance(Ω): 350,650,1000Tolerance of resistance: <±0.1%Gauge factor: 2.00~2.20(BF);1.86~2.20 ... (BA);1.86~2.40(ZF)Gauge factor resistance: <±1%Strain limit: 2.0%Fatigue ... (9),mild steel(11),stainless steel(16),aluminium(23),magnesium(27),plexiglass(65)