7 x Technical Data
42
BA ROTEX GSU - 09/2007
Tab. 7-6 Resistance values of the temperature sensor
Q Heating output m
H
Flow rate, heating system
Figure 7-11 Required throughput volumes dependent on the heating output and the design temperature spread
R
S
Sensor resistance
t Temperature
PTC resistance external temperature, mixer circuit feed
temperature
NTC resistance feed temperature, return temperature
Pt 1000 resistance Flue gas temperature
Figure 7-12 Resistance characteristics of the temperature sensor
Sensor
Temperature
sensor
Measured temperature in °C
-20-100 102030405060708090100110120
Sensor resistance in Ohm according to standard or manufacturer's data
PTC
Outside temperature,
Mixer circuit Inflow
temperature
1386 1495 1630 1772 1922 2080 2245 2418 2598 2786 2982 3185 3396
NTC
Flow temperature,
return flow temper-
ature
98660 56250 33210 20240 12710 8195 5416 3663 2530 1782 1278 932 690 519 395
Pt 1000 Flue gas temperature 922 961 1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385 1423 1461
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