Appendix
12.3
Sensor resistance tables
Resistance values with Pt 1000 resistors
Type 5227-2 Outdoor Temperature Sensor, Type 5277-2 Flow, Return Flow and Storage Tank
Temperature Sensor (thermowell required) and Type 5267-2 (contact sensor) Flow, Return Flow
and Storage Tank Temperature Sensor.
Type 5257-1, Type 5257-5 (room panel) Room Temperature Sensors.
°C
–35
–30
Ω
862.5
882.2
°C
15
20
Ω 1058.5
1077.9
°C
65
70
Ω 1251.6
1270.7
°C
115
120
Ω 1441.7
1460.6
112
EB 5573 EN
–25
–20
901.9
921.6
25
30
1097.3
1116.7
1136.1
75
80
1289.8
1308.9
1328.0
125
130
1479.4
1498.2
1517.0
–15
–10
941.2
960.9
980.4
35
40
1155.4
1174.7
85
90
1347.0
1366.0
135
140
1535.8
1554.5
–5
0
1000.0
1019.5
45
50
55
1194.0
1213.2
95
100
105
1385.0
1403.9
145
150
1573.1
5
10
1039.0
60
1232.4
110
1422.9