Zhengzhou Winsen Electronics Technology Co., Ltd
www.winsen-senor.com
Tel: 86-371-67169097/67169670 Fax: 86-371-60932988 Email:
Leading gas sensing solutions supplier in China!
Basic Testing Circuits
Test Method:
Testing Conditions:
♦
Environment Temperature: 25ºC
♦
Blackbody temperature: 420K
♦
Modulation frequency 1HZ, 0.3
～
3.5HZ
△
f
♦
Magnification: 72.5 dB
Dual sensor sensitivity can be got by detecting each cell’s sensitivity and calculate in following formula:
Balance degree = |V
A
-V
B
|/(V
A
+V
B
) ×100%
V
A
= Surface A sensitivity ( mVp-p )
V
B
= Surface B sensitivity ( mVp-p )