APS-200 - Specifications
Capacitative Relative Humidity Sensor

Performance
Operating Ranges
Humidity 0% to 100% RH
Temperature -20°F to +140°F (-29° to +60°C)
Nominal Capacitance Range

218pf ± 22pf @ 50% RH
77°F (25°C) and 10 kHz

Frequency Range D.C. to 1MHz
Typical Resistance Range @ 20 to 90% RH, resistance is 5MW to 2.9 kW
Temperature Coefficient 0.12% RH/°F or .22% RH/°C
Hysteresis Less than 3% RH @ 25°C (40% to 80%RH)
Long Term Stability Less than 0.5% drift per year typical
Sensor interchangeability Better than +/- 3% RH (calibrated version only)

 

Time Response 90 seconds typical - 63% change for 20-80% RH
 
Power
Maximum Voltage 5 Volts (1 Volt, 10KHz recommended)