Round telescopic insulation cargo height measuring rod is metric scale, the main insulation rod is made of high strength epoxy glass tube, the product has excellent electrical and mechanical properties, the height of the rod light weight, easy to operate, can be measured from the ground height of goods, but also the height of overhead power lines, communication lines, etc.
Reading method:
Pull out from the joint of the crossbar one section at a time, stretch to the point where the two sections meet, make the scale line between the two sections align, and the locating pin will pop out automatically until the crossbar is on the object to be measured, then the eye and the elevation ruler outside the base rod on the upper end of the rod button to maintain a level, the number shown above is the height of the measured object value.
Closing method:
After using the goods stick ruler, hold the thick section of the bottom handle with the left hand, press down the pin with the thumb, hold the upper western section with the right hand, push back while twisting the edge, loosen the chimera of the two sections in turn, take it back section by section.