ABS water level meter 1.Accuracy:0.25%, 0.5% 2.power supply:24V, 220V 3.Delivery:2days 4~20Ma HART LCD display IP67 RV-100L ultrasonic level meter transmitter/ABS water level indicator water level sensorSincerely thank you for buying our ultrasonic level meter.The meter includes several proprietary technologies, is safe and clean, with high precision and long service life, stable and reliable, ...