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參數資料
| 型號： | HM1520 |
| 廠商： | HUMIREL |
| 英文描述： | RELATIVE HUMIDITY MODULE |
| 中文描述： | 相對濕度模塊 |
| 文件頁數： | 2/4頁 |
| 文件大小： | 89K |
| 代理商： | HM1520 |
TECHNICAL DATA
Humirel Sensor Device Data / HPC009-20 RevA December 2000
2
Characteristics
(Vs = 5.0Vdc , R
L
> 1 M
otherwise stated)
Characteristics
Symbol
RH
RH
RH
Min
1
Typ
Max
99
+/- 3
Unit
%RH
%RH
%RH
Humidity measuring range / Ta –30 to 60°C
Relative Humidity accuracy(1-20%RH) at 23°C
Relative Humidity accuracy at 55% RH at 23°C
+/-2
+/-5
Voltage supply
V
s
V
out
I
c
T
cc
4.75
5.00
5.25
V
Nominal output @ RH = 10 % / Ta 25°C
Current consumption
Temperature coefficient(10 to 50 °C and 1 to 20% RH)
Averaged Sensitivity from 5% to 10 % RH
Output Impedance
Sink current capability (R
L
= 15 kohm)
Humidity Hysteresis
Long term stability
Response time (5 to 10% RH, static, @63%)
1.17
1.24
0.4
< 0.1
+26
70
1.31
0.8
V
mA
%RH / °C
mV/%RH
Ohms
μ
A
% RH
%RH/yr
s
mV/%RH
Z
I
s
300
+/-1.5
0.5
5
τ
HM1520 Preliminary Specification when used from 1 to 30% RH
V
out
= V
S
( 5.12 RH + 197)
*
or
RH = 0.195 V
out
/ V
S
- 38.5
*
with V
out
in mV, V
S
in V and RH in %
1600
1000
1100
1200
1300
1400
1500
1700
1800
1900
2000
0
5
10
15
20
25
30
35
Relative Humidity in % RH
Those equations can be used above 30% RH and allow to obtain an over all accuracy as described in page one of this
document in all the humidity measuring range
Temperature (in the range 0 to 50°C) does not affect HM1520 measurement when used from 1 to 30% RH. No temperature
compensation is required.
Signal output from 1 to 20% RH at 23°C :
RH (%)
Vout (mV)
RH (%)
Vout (mV)
0
1
2
3
4
5
6
7
8
9
10
1013
12
1294
1038
13
1320
1064
14
1346
1089
15
1371
1115
16
1397
1141
17
1422
1166
18
1448
1192
19
1474
1217
20
1499
1243
11
1269
With Vs = 5.0 Volts DC
Calibration data are
traceable to NIST
standards through CETIAT laboratory.
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