ST2 Vibrating Wire Arc Weldable Strain Gauge
Range 3000 microstrain
Resolution 1 microstrain
Accuracy ±0.1% full scale
Temperature range -20 to 80°C
Active gauge length 141.4 mm
Excitation method Pluck or sweep
Material Stainless Steel
Dimensions L 157mm x Ø 12.7mm
Thermistor type NTC 3k Ω, accuracy ±0.5°C
Vibrating Wire Arc Weldable Strain Gauge serie ST2 are designed for arc welding to steel structure such as tunnel linings, piles and bridges.
The gauge consists of a coil assembly, Vibrating Wire element and two weldable anchors.
The strain gauge incorporates ‘O’ ring seals to provide waterproofing, and allows the tube to remain unstressed.
A factory fitted, four core screened cable connects the coil to the readout unit