The M02A strong-motion accelerograph
The improved M02A version of the M0 (mechanical and optical) type of accelerograph, currently in use in the N.Z. strong-motion recorder network is described. The improvements relate mainly to the mechanical drive, including the film rewind, and to the electronics for the timing features. In particular the elapsed time from a previous visit to the instrument is obtained by interrogating a clock during the running of the film. Production of the M02 instrument has been suspended in favour of the M02A and all the instruments in the N.Z. network will be converted to M02As.
Skinner R.I., Stephenson W.R. and Hefford R.T. "Strong Motion Earthquake Recording in New Zealand", Bull. of the N.Z. National Society for Earthquake Engineering, Vol. 1, No. 4, p. 31 (1970).
Physics and Engineering Laboratory DSIR, "Type M02 Accelerographs (Skinner-Duflou) Installation and Operating Manual", (available through manufacturers: Victoria Engineering, Lower Hutt).
Skinner R.I. and Duflou P.C.J. (1965) "New Strong-Motion Accelerographs", Earthquake Engineering.
Hefford R.T. et al. "The New Zealand Strong-Motion Earthquake Recorder Network", Bull, of the N.Z. National Society for Earthquake Engineering, Vol. 12, No. 3, September 1979.
Skinner R.I. and Stephenson W.R. "Accelerograph Calibration and Accelerogram Correction", Earthquake Engineering and Struct. Dyn. Vol. 2, 71-86 (1973). DOI: https://doi.org/10.1002/eqe.4290020107
Hodder S.B., Skinner R.I., Hefford R.T. and Randal P.M., "Strong Motion Records of the Milford Sound Earthquake 1976, May 4", Bull, of the N.Z. National Society for Earthquake Engineering, Vol. 11, No. 3," September 1978.
Copyright (c) 1980 R. T. Hefford, R. G. Tyler, R. I. Skinner
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