12.5 Resistance values
Resistance values with PTC measuring element
Sensor for outdoor, supply air, exhaust air and mixed air temperature: Type 5215 (duct sen-
sor)
Sensor for outdoor temperature: Type 5227-2 (wall sensor), for heating coil return air tem-
perature and HR circuit temperature: Type 5227-2 (immersion sensor) and Type 5267 (sur-
face sensor)
Sensors for room temperature Type 5257-1, 5257-6 (room panel)
°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
Temperature monitor thermostat
for plant frost protection: Type 5312-2
Resistance values with Pt 1000 measuring element
Sensor for outdoor temperature: Type 5224, sensor for heating coil return air temperature
and HR circuit temperature: Type 5264 (immersion sensor) and Type 5265 (surface sensor)
°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
110
EB 5477 EN
Appendix