Purpose:  

    This system is designed basing on JJC-1A. It consists of two-pen automatic well logging equipment, four-leg caliper, logging winch and other necessary equipments. The advantages of this system are portable and practical. It has been widely used in high buildings, bridges, highway harbor and etc.

 Technical Specifications:

  1. Measuring range of borehole:

      (1) Ф600～1700mm(including length of leg)

      (2) Ф800～2100mm(including length of leg)