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湿度传感器 CHR01-3035W
The specification is applicable to impedance type Humidity sensor, Model: CHR-01
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
(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
2—Substrate (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