0 0 RESERVED
1 1 SHAFT ENCODER FLOAT SYSTEM
2 2 ULTRASONIC
3 3 RADAR
4 4 PRESSURE (SINGLE TRANSDUCER)
5 5 PRESSURE (MULTIPLE TRANSDUCER)
6 6 PRESSURE (IN STILLING WELL)
7 7 BUBBLER PRESSURE
8 8 ACOUSTIC (WITH SOUNDING TUBE)
9 9 ACOUSTIC (IN OPEN AIR)
63 63 MISSING VALUE
