Operating Manual Owner's manual

23
6 Instrument description
6.1 Technical data
Permissible
ambient
temperature
Permissible
probe
temperature
max.: end of scale / limit value +15%,
(for end of scale between +90 °C and 120 °C = min. 25 °C
min.: -50 °C (on STW(STB) and STB -35 °C)
Permissible
storage
temperature
max. +50 °C, min. -50 °C
Housing galvanized steel sheet
Switching
device
Capillary Switch head
for end of scale
TR,TW
TB,
STW(STB)
STB
TR,TW
TB,
STW(STB)
STB
max. see nameplate
min.
-40 °C
-20°C -20°C 0°C
< 200 °C
-20 °C ≥ 200 °C ≤ 350 °C
-40 °C > 350 °C ≤ 500 °C
Type EM-.... Description
1, 2, 3 or 4 single-pole snap-action switches
1, 2, 3, 20, 30 with changeover contact
4, 5, 40, 50 with n.c. (break) contact
4/574, 5/574, 40/574,
50/574
n.c. (break) contact with additional signal contact