... :12.6VDC 350mA Output:RS485,4~20mA Ultrasonic Level Sensor UE3000 HOLYKELL small blind precision ultrasonic sensors, designed for ... S. ASC developed ASIC, so that the circuit very compact machine, simple; circuit board all the gold-plated, internal electromagnetic ... 49mm or a M49 × 1.5's gong jack.Ultrasonic Sensor Main technical characteristics: 1, non-contact measurement, environmental protection ...