MESSTEC Power Converter GmbH
Operating Manual
TEC Controller
Document: 10100920OM
Revision: 1.1
Date: 10.10.2019
Page 21/71
5.2. Nickel Sensor
In the PC-Software Ni1000 and Ni100 Sensors are available. It is not necessary to
enter any coefficients, just press the button for the sensor in your application (see fi-
gure 13 below).
Fig. 13: Nickel sensor selection
Supplementary detailed information:
Nickel Sensors have a characteristic curve according to:
𝑅(𝜗) = 𝑅
𝜗0
∗ (1 + 𝑎 ∗ (𝜗 − 𝜗
0
) + 𝑏 ∗ (𝜗 − 𝜗
0
)
2
+ 𝑐 ∗ (𝜗 − 𝜗
0
)
4
+ 𝑑 ∗ (𝜗 − 𝜗
0
)
6
)
a = 5,485 * 10
-3
*
°C
-1
b = 6,650 * 10
-6
*
°C
-2
c = 2,805 * 10
-11
*
°C
-4
d = -2.00 * 10
-17
*
°C
-6
ϑ:
Temperature in °C
ϑ
0
:
Reference temperature in °C (
ϑ
0
= 0 °C for Nickel)
R
ϑ0
:
Reference resistor value in Ω (Ni1000: R
ϑ0
= 1000 Ω)