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HC201 Humidity Sensors for HVAC Applications

Typical Applications

HVAC
hand helds
humidifiers
dehumidifiers

Features

high repeatability
high sensitivity
wettable
very good long term stability
good resistance to pollutants
small size construction

Technical Data

Nominal capacitance C76 (at 20°C / 68°F) 200 ± 30 pF
Sensitivity 0.6 pF / % RH
Working range Humidity 10...95% RH
Temperature -40...110°C (-40...230°F)
Linearity error (20...90% RH) < ± 2% RH
Hysteresis 2.0 ± 0.3% RH
Response time t90 < 15 sec
Temperature dependence [%RH /°C] ΔRH = g * RH * (T - 20) g = -0.004 ± 10 %
Long term stability at 20-30°C (68-86°F) / 20-80% RH drift < 1.5 % / year
Loss tangent < 0.1 typical
Maximum supply voltage (no DC voltage) 5 V max (Upp)
Maximum DC voltage < 5 mV
Operating frequency 10...100 kHz, recommended 20 kHz
Material connection phosphor bronze with tin coating