Alcohol Sensor
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M Q 3 0 3 A
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Description
ÓÉ Foxit PDF Editor ±à¼°æȨËùÓÐ (c) by Foxit Software Company, 2004 ½öÓÃÓÚÆÀ¹À¡£
0755-88360817
M Q 3 0 3 A
MQ303A ,, 。
www.hsdz369.cn
,,
100(。 1) 2。
。 ,、 。, 5~102.2±0.2V,。
ÓÉ Foxit PDF Editor ±à¼°æȨËùÓÐ (c) by Foxit Software Company, 2004 ½öÓÃÓÚÆÀ¹À¡£
0755-88360817
3MQ303A。 。
,。
www.hsdz369.cn
A.
V H V C R L R H
IH
PH PS
0.9V ± 0.1V ≤ 6V 4.5Ω ± 0.5 Ω
120±20mA
≤ 140 mW ≤10 mW
AC or DC DC P S < 10 mW
B.
Tao
Tas C
R(OH2)
-20 o C —+50 o C -20 o C —+70 o
≤21%9±51%%R(H ) 16%
20ppm-1000ppm
C.
MQ303A
Rs
(4kΩ to 400 kΩ)
α
(0.50 ± 0.15)
: : 20 o C ± 2 o C
: 65% ± 5%
Rs (300 ppm) / Rs (100 ppm) V C : 3.0 V ± 0.1 V DC V H : 0.9 V ±0. 1 V DC
R L : :48
...
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