-115-
[4] Resistance of Temperature Sensor
Thermistor for low temperature
Thermistor R
o
= 15k
Ω
±
3% (TH3 ~ 9a,9b,10a,10b)
Thermistor R
120
= 7.465k
Ω
±
2% (TH11,12,10c)
R
t
= 15exp {3460 ( - )}
R
t
= 7.465exp {4057 ( - )}
Thermistor R
o
= 33k
Ω
±
1% (TH2)
Thermistor R
50
= 17k
Ω
±
2% (THHS)
R
t
= 33exp {3965 ( - )}
R
t
= 17exp {4170 ( - )}
50
40
30
20
10
0
–20 –10
10
20
30
40
50
0
25
20
15
10
5
0
90
100
110
120
1
273+t
1
273+t
1
273+t
1
273+t
1
273+50
Temperature (˚C)
Temperature (˚C)
Temperature (˚C)
Temperature (˚C)
Resistance (k
Ω
)
Resistance (k
Ω
)
Resistance (k
Ω
)
Resistance (k
Ω
)
1
273+0
1
273+120
1
273+0
