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湿敏电阻敏感元件
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01型无铅电阻 14K

高精度、高可靠、耐水性好、高低湿适应性。 稳定、低漂移、快速反应。
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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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