Regular and irregular waves are generated at small scales in laboratories using various wave
makers. In the present work, characteristics of a plunger type wave maker in towing tank in
Subsea Research and Development Center (SRDC) of Isfahan University of Technology (IUT)
are obtained. Parameters of waves are measured using resistive wave probes after being
calibrated. To calibrate wave probes, a relation between wave elevation and output voltage of
probes is obtained. This is employed to develop a computer program to calculate the wave
parameters such as wave height, wave period and wavelength. To verify the achieved results,
video and still cameras were also used.