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Capacitive Humidity Sensor - P14 FemtoCap

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• High chemical resistance
• Very low drift
• Wide temperature range
• Excellent price-performance ratio
• Resistance to condensation
• Solderable and bondable (fully automated assembly)

Model Number: P14 FemtoCap
Data Sheet:

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Product Specification

Further advantages of the P14 FemtoCap capacitive RH sensor include:

• High chemical resistance

• Very low drift

• Wide temperature range

• Excellent price-performance ratio

• Resistance to condensation

• Solderable and bondable (fully automated assembly)

• Fast recovery time

• Customer-specific sensor available upon request

The IST AG P14 FemtoCap humidity sensor is available as SMD for automatic packaging as standard configuration.

Technical Data:

Dimensions (L x W x H in mm)	4 x 2 x 0.4
Operating humidity range	0 % RH to 100 % RH (maximal dew point +85℃)
Operating temperature range	-50℃ to +150℃
Capacitance (C₃₀)*	180 pF ±50 pF (at 30 % RH and +23℃)
Sensitivity (at C₃₀ = 180 pF)	0.3 pF/% RH (15 % RH to 90 % RH)
Loss factor	< 0.01 (at 23℃, at 10 kHz, at 90 % RH)
Linearity error	< 1.5 % RH (15 % RH to 90 % RH at +23℃ after one point calibration)
Hysteresis	< 1.5 % RH
Response time t₆₃	< 3 s (50 % RH to 0 % RH at +23℃)
Temperature dependence (typical)	∆ % RH = (B1 x % RH + B2) x T [℃] + (B3 x % RH + B4) B1 = 0.0014 [1/℃] B2 = 0.1325 [% RH/℃] B3 = -0.0317 B4 = -3.0876 [% RH]
Measurement frequency	1 kHz to 100 kHz (recommended 10 kHz)
Maximal supply voltage	< 12 V_pp AC
Signal form	alternating signal without DC bias
Connections	SMD, automatic assembly compatible