Conversion of Strain Quantities (Voltage) Measured by Transducers into Proper Physical Quantities

Strain quantity (or voltage) measured by a transducer such as load cell or pressure transducer is converted into the physical quantity in proper engineering unit as follows.

The following 2 types of calibration coefficients are stated in KYOWA's Test Data Sheet. Use a proper one for the applied measuring instrument.

  • A:Calibration coeffcient indicating the physical quantity corresponding to a reference equivalent strain of 1×10-6 strain
  • B:Calibration coefficient indicating the physical quantity corresponding to an output voltage of 1μV against a bridge excitation voltage of 1 V.

When using a strain amplifier

Physical quantity = Measured strain (×10-6 strain) x A

When using an amplifier other than strain amplifier or recorder