... 12.6VDC 350mA Output:RS485,4~20mA Ultrasonic Level Meter BS/CS Series Small Blind Precision Ultrasonic Level ... ultrasonic sensors, designed for high precision, small blind, small scale, small installation space, equipment, supporting applications such as industrial ... a M49 × 1.5's gong jack.Ultrasonic Level Meter Main technical characteristics: 1, non-contact measurement, environmental protection ...