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Capacitive Humidity Sensor - MK33-W

? ?High chemical resistance
? ?Very low drift
? ?Wide temperature range
? ?High humidity stability
? ?Condensation resistant
? ?Suitable for extreme environments

Model Number: MK33-W
Data Sheet:

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Product Specification

Further advantages of the MK33-W capacitive RH sensor include:

? High chemical resistance

? Very low drift

? Wide temperature range

? High humidity stability

? Condensation resistant

? Suitable for extreme environments

? Fast recovery time

? Customer-specific sensor available upon request

The IST AG MK33-W humidity sensor is available with CuP-SIL-wire post-plated with Sn or Au/Cu-wire as standard configuration.

Illustration¹⁾：

Technical Data:

Dimensions (L x W x H / H2 in mm)	SIL 10.8 x 3.81 x 0.4 / 1.2 Au/Cu-wire 10.8 x 3.81 x 0.4 / 0.8
Operating humidity range	0 % RH to 100 % RH (maximal dew point +95℃)
Operating temperature range	-40℃ to +190℃
Capacitance (C₃₀)*	300 pF ±40 pF (at 30 % RH and +23℃)
Sensitivity (at C₃₀ = 300 pF)	0.45 pF/% RH (15 % RH to 90 % RH)
Loss factor	< 0.01 (at 23℃, at 10 kHz, at 90 % RH)
Linearity error	< 2 % RH (15 % RH to 90 % RH at +23℃ after one point calibration)
Hysteresis	< 2 % RH
Response time t₆₃	< 6 s (50 % RH to 0 % RH at +23℃)
Temperature dependence (typical)	? % RH = (B1 x % RH + B2) x T [℃] + (B3 x % RH + B4) B1 = 0.0011 [1/℃] B2 = 0.0892 [% RH/℃] B3 = -0.0268 B4 = -2.079 [% 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