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7 Technical data
7.5
Environmental influences
Hysteresis in %
of the control/limit value range
(only for type 2 and 20)
Switching point accuracy
TW
STB, STW (STB)
Setpoint value adjustment
Ambient temperature influence
For devices with scale limit value < 200 °C
On switching head
On capillary per m
Admissible ambient temperature
Capillary, switching head
Admissible storage temperature
Permissible overtemperature safe-
ty
Time constant t
0,632
In water
In oil
In air, superheated steam
Protection type
24
Reted value
Possible process value
3
3 to 4
6
6 to 8
1.5
1 to 2
Of the control/limit value at T
In the upper third of the scale ±1.5 %, at the beginning of the scale ±6 %,
in the upper third of the scale +0/-5 %, at the beginning of the scale +0/-10 %
Switching point adjustable with screwdriver after removing housing cover.
Referring to the control/limit value range
If the ambient temperature at the switching head and/or the capillary deviates
from the calibration ambient temperature 22 °C, a switching point shift occurs.
Higher ambient temperatures
Lower ambient temperatures
ATH.-SE-2
ATH.-SE-20
ATH.-SE-70
0.08 %/K
0.17 %/K
0.047 %/K
0.054 %/K
Max. 80 °C
Min. -40 °C at the end of the scale < 200 °C
Min. -20 °C at the end of the scale ≥ 200 °C ≤ 300 °C
-50 to +50 °C
Max. scale end value +15 % on the probe during use
≤ 45 s
≤ 60 s
≤ 120 s
IP54, according to EN 60529
22 °C
U
= lower switching point
= higher switching point
≥ 200 °C
ATH.-SE-2
0.06 %/K
0.09 %/K
Designation
S1
S2
S3
ATH.-SE-20
ATH.-SE-70
0.13 %/K
0.11 %/K
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