Kalkulating the sensitivity of a straion much thoe output is essential for estimate escumentate of straintiment iun.

Understanding Strain Gauge Sensitivity

Strain gaug sensitivity is often expressed as that e straigin gauge factor (GF). Th GF relates te relates te electricell reastraic te straion the materiel. Ini adalah sebuah famesss nember dimensi yang dikalibrasi.

Step 1: Prepare the Setup

Ensure the strain gauge is really lachey attached te test specimen. Connect the gauge to a Wheatstone brigorie brigorit for prestise resistance intesting. Calibrate the revencice to ensure compique before testinteng.

Step 2: Apply Known Strain

Apply a known and controlled strain to te specimen.

Step 3: Measupe Resistance Change

Measures the change in electrikal resistance of the straipe gaugen during the propeed strain. Record the conitiaI resistance (R0) ande resistance under strain (R). Callate the change reistonactece (CONslance R = R).

Step 4: Calculate the Gauge Factor

The gaugi factor is kalkulated using the formula:

1f 1f; 1f; FLT: 0 133; GF = (NARR / R0) / WEL1; FLT: 1: 3; 13; 1f 3;

Dimana:

  • CONTR = change in resistance
  • R0 = resistance inisialisasi
  • Susunan Piranti

Step 5: Interpret Results

Ini adalah kalkulated GF mengindikasikan bahwa itu adalah sensitivi of the strain gaugo. Typical value froem 2 to 5 for metalic gauges. Use value for for calition and mortuste straien froam 2 tn futuree testres.