Calibration of manganin gauges for shock wave studies

In 1993 Russian (Institute of Technical Physics, RITP) and Chinese (Academy of Engineering Physics, CAIP) researchers jointly calibrated manganin pressure gauges manufactured in RITP using shock waves generated with the aid of a gas gun. The following calibration equation P-mang = 0.2332 + 35.512(Delta R/R-0) + 0.4780(Delta R/R-0)(2) + 3.2402(Delta R/R-0)(3) was obtained; the root mean square error of this equation at pressures 1.2 - 47.1 Gao is sigma(r) = +/- 1.33 %. Most of the calibration tests were sponsored by CAIP at the expense of funds allotted for fundamental studies.