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参数资料
| 型号： | HTS2030SMD |
| 厂商： | Measurement Specialties Inc/MEAS France |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | SENSOR RH NTC CAP SIDE OPEN SMD |
| 产品目录绘图： | HTS2030SMD Top |
| 标准包装： | 76 |
| 传感器类型： | 湿度和温度 |
| 输出类型： | 模拟电压 |
| 产品目录页面： | 2819 (CN2011-ZH PDF) |
HTS2030SMD – Temperature and Relative Humidity Sensor
?
Typical Response Look-Up Table (polynomial reference curve) @10kHz/1V
RH (%)
Cp (pF)
RH (%)
Cp (pF)
0
161.6
55
180
5
163.6
60
181.4
10
165.4
65
182.9
15
167.2
70
184.3
20
169.0
75
185.7
25
170.7
80
187.2
30
172.3
85
188.6
35
173.9
90
190.1
40
175.5
95
191.6
45
177.0
100
193.1
50
178.5
?
Reverse Polynomial Response
RH (%) = -3.4656 10 +3 *X 3 +1.0732 10 +4 *X 2 -1.0457 10 +4 *X+3.2459 10 +3
With X = C(read) / C@55%RH
TEMPERATURE SENSOR
?
Typical Temperature Output
Depending on the needed temperature measurement range and associated accuracy, we suggest two methods
β ? ? ?
? ?
to access to the NTC resistance values.
R T
R N
R T = R N × e
NTC resistance in
NTC resistance in
? 1 1 ?
? T T N ?
at temperature T in K
at rated temperature T in K
T, T N
β
e
Temperature in K
Beta value, material specific constant of NTC
Base of natural logarithm (e=2.71828)
The exponential relation only roughly describes the actual characteristic of an NTC thermistor can, however,
as the material parameter β in reality also depend on temperature. So this approach is suitable for describing a
restricted range around the rated temperature or resistance with sufficient accuracy.
For practical applications, a more precise description of the real R/T curve may be required. Either more
complicated approaches (e.g. the Steinhart-Hart equation) are used or the resistance/temperature relation as
given in tabulation form. The below table has been experimentally determined with utmost accuracy for
temperature increments of 1 degree.
Actual values may also be influenced by inherent self-heating properties of NTCs. Please refer to MEAS-
France/Humirel Application Note HPC106 “Low power NTC measurement”.
HTS2030SMD HPC055_H
www.meas-spec.com
3/9
October 2012
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