Application：
Hole quality testing of bored piles on railway, highway, port, high-rise building and etc.
Hole quality testing of branch and plate piles.
Trenching quality testing of the groove of diaphragm wall.
Specification：
Measuring range：600～8000mm; (hole/groove diameter)
Max measuring depth：150m (Can be customized)
Max depth resolution：5mm
Record mode：Color image, data file
Data export：USB
Probe：Dry/wet hole support
RSM Auto double winch：
Dimensions(Auto double winch）：91×55×57cm
Weight of Auto double winch：105kg
