Moisture measurement in air and oil

Oil humidity sensor; Medium temperature [°C] : -40...105; Operating voltage [V] : 9...33 DC; Protection class : III; Reverse polarity protection : no; Measuring principle : capacitive; Total number of outputs : 2; Number of analogue outputs : 2; Analogue current output [mA] : 4...20; Max. load [Ω] : (Ub - 8) x 25; Resolution of analogue output : φ: 1%...