CFRA Series Cryogenic Low Temperature Straingauges

3-element 0°/45°/90° plane type cryogenic low temperature straingauges

About the CFRA Series Cryogenic Low Temperature Straingauges

CF series cryogenic temperature strain gaige
These are foil strain gauges with epoxy backing designed for measurement under cryogenic conditions. They are available in single element, rectangular 2-element and rectangular 3-element configurations with 350Ω resistance. The specially selected and heat treated grid of the gauges shows very small zero shift under cryogenic temperature compared to conventional strain gauges.

Features CFRA

  • Type: 3-element, cryogenic low temperature use
  • Gauge resistance: 350Ω
  • Gauge length: 1, 3mm
  • Gauge width: 1.3, 1.7mm

Temperature compensation materials

  • 11: Mild steel
  • 17: Stainless steel
  • 23: Aluminium

Specifications

Applicable specimen
Metal, Ceramics
Operational temperature(°C)
-269~+80°C
Temperature compensation range(°C)
-196~+80°C
Bonding adhesive
C-1, EA-2A, CN
Backing
Special plastics
Element
Special alloy foil
Strain limit
1% (10000×10⁻⁶ strain)
Fatigue life at room temperature
1×10⁶ (±1500×10⁻⁶ strain)
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