YSZK-01L-C-E pressure type liquid level sensor, voltage: DC24V output: 4- 20mA, standard thread interface: M20*1.5mm, without thread, or non-standard thread, can be customized. The pressure can be made according to user requirements, 1 meter water column height, 2 meters water column height, 3 meters water column height -20 meters water column height, the length of the cable line is made according to customer requirements