Newmark Structural Engineering Laboratory

Department of Civil and Environmental Engineering

College of Engineering

University of Illinois at Urbana-Champaign

   
 
   
         
 
 
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Model 2670-116

 
The Instron model 2670 is a crack opening displacement gauge. It is designed for compact tension and bending specimens. The 2670 may be used for pre-cracking and crack propogation.
 
   
     
Specifications
 
Model # 2670-116
Gauge Length 10.0 mm (0.4 in)
Maximum Travel 4.0 mm (0.16 in)
Temperature Ranges 0 - 80°C (32 - 176°F)
Linearity ± 0.2 %
Repeatability 0.1% full scale deflection
Hysteresis 0.2% full scale deflection
Creep 0.1% full scale deflection
Frequency Range Up to 50 Hz
Output 2 to 4 mV/V nominal
Output Sensetivity 2.5 mV/V +1% -3% at 20 °C (68 °F)
Electrical calibration accuracy ± 0.1 % full scale deflection
Excitation 10 VDC typical, 15 VDC or VAC max.
Dimensions Length 65 mm (2.6 in)
Width 20 mm (0.8 in)
Depth 33 mm (1.3 in)
 
     
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