Pressure resistant capacitive humidity sensor KFS140-TO

Pressure resistant humidity sensor in mechanically robust TO-housing for pressure dew point measurement, with integrated stainless steel sinter filter, resistant against dew formation and various chemical effects, low hysteresis and linear characteristics.

Examples circuits, evaluation-kits and complete module available on request!

Technical data
Measuring principle: Capacitive polymer humidity sensor
Humidity application range: 0 ... 100% rH
Pressure range: -1 ... +10 bar
Max. Dew point: +80 °C
Temperature application range: -30 ... +150 °C
Capacitance: 180 pF ± 50 pF (at 23 °C and 30% r.H.)
Gradient: 0.3 pF / %rH
Loss factor: < 0.01
Hysteresis: < 1.5% rH
Response time: < 30s
Frequency range: 1 ... 100 kHz
Max. evaluation voltage: < 12 Vpp ~
Signal form: AC voltage (without DC-component)
Protection filter: Stainless steel 40 µm
Housing: TO 5
Dimensions: Ø 9 x 19.5 mm