63
OCH771
10-6. HOW TO CHECK THE COMPONENTS
<Thermistor feature chart>
Low temperature thermistors
• Thermistor <Liquid> (TH3)
• Thermistor <2-phase pipe> (TH6)
• Thermistor <Ambient> (TH7)
0°C
15 kΩ
10°C 9.6 kΩ
20°C 6.3 kΩ
25°C 5.2 kΩ
0°C 180 kΩ
25°C 50 kΩ
50°C 17 kΩ
70°C
8 kΩ
90°C
4 kΩ
30°C
4.3 kΩ
40°C
3.0 kΩ
Thermistor R0 = 15 kΩ ± 3%
B constant = 3480 ± 1%
R
t
=15exp{3480( 273+t – 273 )}
1
1
Thermistor R50 = 17 kΩ ± 2%
B constant = 4150 ± 3%
R
t
=17exp{4150( 273+t – 323)}
1
1
Thermistor R120 = 7.465 kΩ ± 2%
B constant = 4057 ± 2%
R
t
=7.465exp{4057( 273+t – 393)}
1
1
Medium temperature thermistor
• Thermistor <Heat sink> (TH8)
20°C 250 kΩ
30°C 160 kΩ
40°C 104 kΩ
50°C
70 kΩ
60°C
48 kΩ
70°C
34 kΩ
80°C
24 kΩ
90°C 17.5 kΩ
100°C 13.0 kΩ
110°C 9.8 kΩ
High temperature thermistors
• Thermistor <Discharge> (TH4)
• Thermistor <Comp. Surface> (TH33)
0
10
20
30
40
50
−
20
−
10 0 10 20 30 40 50
Temperature (°C)
Resistance (k
Ω
)
200
150
100
50
0
25
50
75
100
125
Temperature (
°C
)
Resistance (k
Ω
)
500
400
300
200
100
0
25
50
75
100
120
Temperature (
°C
)
Resistance (k
Ω
)
Summary of Contents for PUZ-ZM60VHA2
Page 23: ...23 OCH771 PUZ ZM60VHA2 ET ER UK PUZ ZM71VHA2 ET ER UK 7 WIRING DIAGRAM ...
Page 24: ...24 OCH771 PUZ ZM100VKA2 ET ER UK ...
Page 25: ...25 OCH771 PUZ ZM125VKA2 ET ER UK PUZ ZM140VKA2 ET ER UK ...
Page 26: ...26 OCH771 PUZ ZM100YKA2 ET ER UK PUZ ZM125YKA2 ET ER UK PUZ ZM140YKA2 ET ER UK ...
