... Ultrasonic Level Meter BS Range:0~10 meters Protection level: IP68 Voltage:12.6VDC 350mA Output:RS485,4~20mA Ultrasonic Level Meter BS/ ... or a M49 × 1.5's gong jack.Ultrasonic Level Meter Main technical characteristics: 1, non-contact measurement, environmental protection, ... power selection, can be adjusted according to site conditions; 11, with 10 seconds / second ~ 100 times / sec test cycle set to ...