西门子7ML5201-0EB0超声波液位计

SITRANS LU150 SHORT-RANGE INTEGRATED ULTRASONIC LEVEL TRANSMITTER, GENERAL PURPOSE, 2 WIRE, 4 TO 20MA LOOP POWERED IDEAL FOR LIQUIDS, SLURRIES, AND BULK MATERIALS IN OPEN OR CLOSED VESSELS TO 5 METERS (16.4 FEET)