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    濕度傳感器 CHR01-3035W

    1.Application rang:


    The specification is applicable to impedance type Humidity sensor, Model: CHR-01       
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    1.Application rang:

    The specification is applicable to impedance type Humidity sensor, Model: CHR-01       
         

    2、General Specification         

    Part name

    Humidity Sensor

    Type

    CHR01

    Rated Voltage

    1V AC(50Hz ~ 2 K Hz)

    Operating humidity range

    20%~ 90% RH

    Accuracy

     ±5%

    Operating temperature range

    The Maximum operating temperature

    0~+85

    120  *

    Standard characteristics

    30  (21 ~ 40.5)  KΩ  

    (at 60%RH, 25℃)

    Response time  

      12 s  (20%~ 90%)

    Hysteresis

     1.5%RH

    Humidity drift(per year)

    ≤±2% RH

    Typical humidity response characteristic at 25℃

    Show in Fig 2

    Dimension

    Show in Fig 1

    ** The characteristics chart of humidity registance between 0℃ and 60℃:Page3/5 Fig 2 and Page5/5 Tab1

     

     3.Caution in using the Humidity Sensor

    (1).Please beware of using the following gas:

    Solvent, Organic gas, Alcohol, Glycol,

    Nox, Ammonia inorganic gas, Sox,

    Anionic ionizer, Salty air. please use the LRC test equipment.

    (2).Do not use it in too much wet or  condesed condition. 

    (3). Do not use DC to the Humidity Sensor , please use the LRC test equipment.

    (4).Use in good air condition.

         

    Figure 1 Dimensions(mm)&structure

     

     
    1Sensor case(cover) (ABS) 

    2Substrate (AL2O3) 
    3
    Carbon electrode 
    4
    Humidity sensitive material  
    5
    Lead frame

     

     

    Figure 2    Relative humidity-Resistance characteristics

    The Relative humidity and Resistance characteristics of this sensor are shown in the following graph.

         

    Figure 3  Typical characteristics  between 0℃ and 60℃

    Tab 1  Resistance characteristics at each temperature

     

    15

    25

    35

    40

    55

    30%

    518.8

    352.8

    256.7

    241.3

    137

    35%

    347.6

    261.8

    143

    137

    80.33

    40%

    277.2

    166.6

    93.6

    81.53

    50

    45%

    172.8

    92.8

    60.3

    52.7

    33.38

    50%

    96.3

    60.6

    41.43

    34.3

    22.05

    55%

    70.8

    40.4

    29.12

    24.25

    15.88

    60%

    56.2

    29.5

    20.8

    17.71

    12.17

    65%

    43.3

    21.1

    15.61

    13.12

    9.02

    70%

    31.3

    15.44

    11.51

    10.09

    6.58

    75%

    22.6

    11.84

    8.74

    7.35

    4.64

    80%

    15.8

    9.13

    6.52

    5.46

    3.38

    85%

    10.48

    6.55

    4.52

    3.89

    2.48

    90%

    7

    4.6

    3.15

    2.65

    1.807

                               Unit : KΩ

    * All data is get by LCR meter at 1VAC/KHZ


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