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12.4 Sensor resistance tables
Resistance values with PTC resistors
Type 5224 Outdoor Temperature Sensors, Type 5264 and Type 5265 Flow and Return Flow
Temperature Sensors, Type 5264 Storage Tank Temperature Sensors
°C –20 –10
0
10
20
25
30
40
50
60
70
80
90
100 110 120
Ω
694 757 825 896 971 1010 1050 1132 1219 1309 1402 1500 1601 1706 1815 1925
Type 5244 Room Sensor
Switch position
, terminals 1 and 2
Resistance values with Pt 1000 resistors
Type 5227-2 Outdoor Temperature Sensor, Type 5277-2 (thermowell required) and
Type 5267-2 (contact sensor) Flow, Return Flow and Storage Tank Temperature Sensors.
Type 5257-1, Type 5257-5 (room panel) Room Temperature Sensors.
°C
–35
–30
–25
–20
–15
–10
–5
0
5
10
Ω
862.5
882.2
901.9
921.6
941.2
960.9
980.4 1000.0 1019.5 1039.0
°C
15
20
25
30
35
40
45
50
55
60
Ω
1058.5 1077.9 1097.3 1116.7 1136.1 1155.4 1174.7 1194.0 1213.2 1232.4
°C
65
70
75
80
85
90
95
100
105
110
Ω
1251.6 1270.7 1289.8 1308.9 1328.0 1347.0 1366.0 1385.0 1403.9 1422.9
°C
115
120
125
130
135
140
145
150
Ω
1441.7 1460.6 1479.4 1498.2 1517.0 1535.8 1554.5 1573.1
Resistance values with Ni 1000 resistors (acc. to DIN 43760)
°C
–35
–30
–25
–20
–15
–10
–5
0
5
10
Ω
816.2
841.5
867.0
893.0
919.2
945.8
972.7
1000.0 1027.6 1055.5
°C
15
20
25
30
35
40
45
50
55
60
Ω
1083.8 1112.4 1141.3 1170.6 1200.2 1230.1 1260.4 1291.1 1322.0 1353.4
°C
65
70
75
80
85
90
95
100
105
110
Ω
1385.1 1417.2 1449.7 1482.5 1515.7 1549.3 1583.4 1617.8 1652.6 1687.9
°C
115
120
125
130
135
140
145
150
Ω
1723.6 1759.7 1796.3 1833.3 1870.9 1908.9 1947.4 1986.3
EB 5576 EN
131
Appendix
°C 10
15
20
25
30
Ω
679 699 720 741 762