Sanyo MCO-18AIC, Service Manual

Page: 31 / 87

28
Specifications of sensor
„
Temperature/Resistance for temperature sensor 103AT-1
The measure of internal temperature (internal temperature, overheat protection) and
ambient temperature
Temperature
(
°
C)
Resistance
(k
Ω
)
Temperature
(
°
C)
Resistance
(k
Ω
)
Temperature
(
°
C)
Resistance
(k
Ω
)
0 27.28 17 13.57 34 7.19
1 26.13 18 13.06 35 6.94
2 25.03 19 12.56 36 6.70
3 23.99 20 12.09 37 6.47
4 22.99 21 11.63 38 6.25
5 22.05 22 11.20 39 6.03
6 21.15 23 10.78 40 5.83
7 20.29 24 10.38 41 5.63
8 19.48 25 10.00 42 5.44
9 18.70 26 9.63 43 5.26
10 17.96 27 9.28 44 5.08
11 17.24 28 8.94 45 4.91
12 16.55 29 8.62 46 4.75
13 15.90 30 8.31 47 4.59
14 15.28 31 8.02 48 4.44
15 14.68 32 7.73 49 4.30
16 14.12 33 7.46 50 4.16
„
Specification for CO
2
density/output voltage in IR sensor
(Output voltage = amplify value in main PCB)
CO
2
density
(%) R13 output
voltage(V)
CO
2
density
(%) R13 output
voltage(V)
CO
2
density
(%) R13 output
voltage(V)
0.0 4.00 8.0 2.87 16.0 2.47
1.0 3.74 9.0 2.80 17.0 2.43
2.0 3.54 10.0 2.75 18.0 2.40
3.0 3.37 11.0 2.69 19.0 2.37
4.0 3.23 12.0 2.64 20.0 2.33
5.0 3.12 13.0 2.59
6.0 3.02 14.0 2.55
7.0 2.94 15.0 2.51
Followings are reference voltage.
In actual use, it is no problem if the
calibration could be done in reliable
CO
2
density.