Keller ITS CellaCast PT 18 Series, Operating Manual, Page: 42 / 52

Operating Manual PT 18x
38
20 Technical data PT 183
Temperature range:
650 - 1700 °C
Sensor:
Double photodiode
Spectral sensitivity:
0.95/ 1.05 µm
Response time t98:

10 ms (T> 750 °C)
Measurement uncertainty:
1.5 %
(at

=1,0 and T
a
= 23 °C)
Repeatability:
3 K
Temperature coefficient:

0.05 %/K
of temp. reading per K
(deviation to T
a
= 23 °C)
20.1 Field of View Diagrams PA 183
Model Optics Focus range Distance
ratio
FOV
PT 183 AF 1 PZ 20.01 0.
4 m …
∞
D
V
= 230:1
D
H
= 45:1
7.1°
PT 183 AF 3 PZ 20.06 1.
2 m …
∞
D
V
= 375:1
D
H
= 75:1
4.5°
PT 183 AF 13 PZ 20.08 0.
3 m …
∞
D
V
= 150:1
D
H
= 30:1
10.8°