Resistance Of Temperature Sensor - Mitsubishi Electric CITY MULTI PUHY-P400YEM-A Service Handbook

[4] Resistance of Temperature Sensor

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