Capacitive Humidity Sensor - MK33-W

  • Capacitive Humidity Sensor
  • Capacitive Humidity Sensor
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• ​High chemical resistance
• ​Very low drift
• ​Wide temperature range
• ​High humidity stability
• ​Condensation resistant
• ​Suitable for extreme environments

  • Model Number: MK33-W
  • Data Sheet: Date Sheet File
Quantity:
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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

-40to +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 +23after 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 Vpp AC

Signal form

alternating signal without DC bias

 

* Customer-specific alternatives available

The calibration of the sensor must be done 5 days after soldering at the earliest.


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