7
HEAD OFFICE
LED Microsensor NT, LLC
●
R&D CENTRE
Microsensor Technology, LLC
194223, postbox 100, St.Petersburg, Russia
● [email protected] ● www.lmsnt.com
APPENDIX
MDS-4 testing results with different gas concentrations
G
as mixture
Methane
concentration,
ppm
Signal
Output,
V
Standard
Deviation,
mV
Noise,
mV
Resolution,
ppm
Air (Dry Bottled)
0
2.110
2.17
7.58
-
CH4 + N
2
1000
2.119
252
CH4 + N
2
2500
2.136
237
CH4 + N
2
5000
2.158
253
CH4 + N
2
10000
2.190
303
CH4 + N
2
50000
2.304
632
2,11
2,16
2,21
2,26
2,31
2,36
0
50
100
150
200
250
300
350
M
ea
sur
ing
sig
na
l o
ut
put
(U
SD
), V
Time, sec
Air
1000
ppm
2500
ppm
5000
ppm
10000
ppm
50000
ppm
