Tsurumi’ เกจวัดแรงดันไฟฟ้า , the LB series, is designed for applications where house is tight, significantly construction. Secured by rope or chain, an LB can be used in functions which involve slim pipes, small tanks, deep pits and in distant places which are troublesome to reach with bigger equipment. The LB model has a fully symmetrical design with no protruding parts, permitting it to be lowered to unknown depths with none danger of snagging. With a diameter of solely 187 mm, the pump’s round cross-section even fits into smaller filter pipes. There is also a version with a water level sensor which is just some millimetres longer. The pump then controls itself mechanically, switching on or off relying on the water stage. The LB presses water with filth particles as much as 6 mm in measurement via the housing, allowing optimal cooling of the motor. The models in the sequence pump 225–440 l/minute and to a most of 17.5 m. The smallest model weighs round 10 kg dry, the most important round 30 kg.