1.Description:ultrasonic level sensor 2.Accuracy:0.25% 3.Blind spot:0.2~0.5m 4.Direction angle:4-6 (full angle) 1. Product Introduction: H-type ultrasonic level gauge metal alloy shell, beautiful appearance, and have a good defense capabilities. Isolated power supply by industrial instrument, all the input and output line has a lightning protection, overvoltage, overcurrent protection circuit H- ...