So far we have developed a system  for calibration up to force bandwidths of 2 kilohertz and amplitudes of 2 kilonewtons, based on measuring the acceleration of a known load mass. We have demonstrated calibration  at an uncertainty level of 1.5 % using this system. We are now working on reducing the uncertainty level and extending the calibration bandwidth.
 A. Chijioke, R. Seifarth and Z. Kubarych, "NIST 1-Kilonewton Sine Force Calibration System", in Proceedings of the IMEKO TC3, TC5 & TC22 International Conference, Cape Town, South Africa, (2014).
 A. Chijioke and N. Vlajic, "Traceable Dynamic Calibration of Force Transducers by Primary Means", To be submitted.