Ultrasonic transducer calibration equipment

The utility model relates to a well logging ultrasonic range measurement field especially relates to an ultrasonic transducer calibration equipment. It caves in the time delay that leads to to ultrasonic transducer and carries out the check -up to guarantee instrument measuring's accuracy. Reference block including calibration equipment body and supporting use with it, the reference block comprises wide section and narrow portion two parts, the last through -hole of having seted up of calibration equipment, this through -hole comprises the mud recess of mutual intercommunication and the check-up cabin that is located mud recess below, the width of mud recess is greater than the width in check -up cabin, wide narrow form is down presented in the check -up cabin, the wide section's of reference block width is less than the wide section's in check -up cabin width, be greater than the width of the narrow portion in check -up cabin, the width of the narrow portion of reference block is less than the width of the n