The scale direction of the tape faces the handle.
The locker utilizes a lock switch, a pin, and a spring to position the lock cylinder of the measuring rod.
The oil wiper is suspended on the fixed pulley on the tape frame.
The measuring tape passes through the felt of the oil wiper, and the oil attached during the measurement is used. Liquid scraping.
When using the dipstick to detect the water level at the bottom of the container, apply a layer of test water paste on the dipstick scale. when the equivalent dipstick is in contact with the pallet at the bottom of the tank, stay for 10-15 seconds, then slowly the dipstick is used to read the height of the bottom water level.