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MESSTEC Power Converter GmbH
Operating Manual
TEC Controller
Document: 10100920OM
Revision: 1.1
Date: 10.10.2019
Page 22/71
5.3. NTC
In the PC-Software just enter parameter values for the NTC-Sensor, which are avail-
able from the device datasheet (see figure 14 below).
Fig. 14: NTC sensor parameters
Supplementary detailed information:
NTC sensors have a characteristic curve according to:
𝑅
𝜗
= 𝑅
𝑟𝑒𝑓
∗ 𝑒
𝐵∗(
1
𝜗−
1
𝑇
𝑟𝑒𝑓
)
R
ref
:
Reference resistor value in Ω
B:
Beta value in K
ϑ:
Temperature in K
T
ref
:
Reference temperature in K
Note: The TEC-Controller firmware always converts Kelvin to °Celsius. The user never has
to hassle with Kelvin values.