... 12.6VDC 350mA Output:RS485,4~20mA Ultrasonic Level Sensor UE3000 HOLYKELL small blind precision ultrasonic sensors, designed ... scale, small installation space, equipment, supporting applications such as industrial designed. Able to adapt to extremely harsh environmental conditions. ... or a M49 × 1.5's gong jack.Ultrasonic Sensor Main technical characteristics: 1, non-contact measurement, environmental ...