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MESSTEC Power Converter GmbH
Operating Manual
TEC Controller
Document: 10100920OM
Revision: 1.1
Date: 10.10.2019
Page 23/71
5.4. Silicon Sensor (KTY11-5)
In the PC-Software the silicon sensor KTY11-5 is available. It is not necessary to en-
ter any coefficients, just press the button for the sensor in your application (see figure
15 below).
Fig. 15: Silicone sensor selection
Supplementary detailed information:
Silicon Sensors have a characteristic curve according to:
𝑅(𝜗) = 𝑅
𝜗0
∗ (1 + 𝑎 ∗ (𝜗 − 𝜗
0
) + 𝑏 ∗ (𝜗 − 𝜗
0
)
2
)
a = 7,880 * 10
-3
*
°C
-1
b = 1,937 * 10
-5
*
°C
-2
ϑ:
Temperature in °C
ϑ
0
:
Reference temperature in °C (
ϑ
0
= 25 °C for KTY11 sensors)
R
ϑ0
:
Reference resistor value in Ω (KTY11-5: R
ϑ0
= 1970
Ω)