Generating Calibration Value Based on Tip Parallel Resistance Method

When extending lead wires by several hundred meters or finding accurate calibration values, the tip parallel resistance method is adopted. The parallel resistance Rc can be calculated by the following equation:

Examples of Calibration Strain Value and Resistance
(Rg = 120Ω, gage factor Ks = 2.00)

Calibration Strain Value ε*1 Resistance Rc (Approx.)
100 μm/m 600kΩ
200 μm/m 300kΩ
500 μm/m 120kΩ
1000 μm/m 60kΩ
2000 μm/m 30kΩ

*1 : The strain value is output as a negative value.