0 0 VIZ MARK II CARBON HYGRISTOR
1 1 VIZ B2 HYGRISTOR
2 2 VAISALA A-HUMICAP
3 3 VAISALA H-HUMICAP
4 4 CAPACITANCE SENSOR
5 5 VAISALA RS90
6 6 SIPPICAN MARK IIA CARBON HYGRISTOR
7 7 TWIN ALTERNATIVELY HEATED HUMICAP CAPACITANCE SENSOR
8 8 HUMICAP CAPACITANCE SENSOR WITH ACTIVE DE-ICING METHOD
30 30 OTHER
31 31 MISSING VALUE
