Capacitive Humidity Sensor - K5-W

  • Capacitive Humidity Sensor
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• ​Fast recovery time
• ​Very stable at low humidity
• ​Condensation resistant
• ​High chemical resistance
• ​Very low drift
• ​Wide temperature range

  • Model Number: K5-W
  • Data Sheet: Date Sheet File
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Product Specification

Further advantages of the K5-W capacitive RH sensors include:

• Fast recovery time

• Very stable at low humidity

• Condensation resistant

• High chemical resistance

• Very low drift

• Wide temperature range

• Customer-specific sensor available upon request

 The IST AG K5-W humidity sensor is available with CuP-SIL wire post-plated with Sn as standard configuration.

 

Illustration1)

 

 

Technical Data:

Dimensions (L x W x H / H2 in mm)

5.0 x 3.81 x 0.4 / 1.2

Operating humidity range

0 % RH to 100 % RH

Operating temperature range

-40to +150

Capacitance (C30)*

200 pF ±50 pF (at 30 % RH and +23)

Sensitivity (at C30 = 200 pF)

0.4 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 +23after one point calibration)

Hysteresis

< 1.5 % RH

Response time t63

< 5 s (50 % RH to 0 % RH at +23)

Temperature dependence (typical)

% RH = (B1 x % RH + B2) x T [] + (B3 x % RH + B4)

B1 = 0.00004 [1/]     B2 = 0.1842 [% RH/]

B3 = -0.0010           B4 = -4.2370 [% RH]

Measurement frequency

1 kHz to 100 kHz (recommended 10 kHz)

Maximal supply voltage

< 12 Vpp AC

Signal form

alternating signal without DC bias

Connection*

CuP-SIL wire post-plated with Sn, 10 mm

 * Customer-specific alternatives available

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

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