Operating Manual
20
6 Instrument description
6.1 Technical data
Permissible
ambient
temperature
in operation
Permissible
overtempera-
ture safety
on the probe during use
max. scale end value +15%
Permissible
storage
temperature
maximum +50 °C, minimum -50 °C
Case Cover: aluminium die casting with screws for lead sealing
Base: die-cast aluminium, painted
Connection
cable
Diameter 10 — 16.5 mm, maximum conductor cross-section 2.5 mm
2
Switching
differential
in % of
limit value
range
Max.contact
rating
Fusing required see contact rating
Protection IP54 as per EN 60 529, operation under normal conditions
Operating
medium
Water, oil, air, superheated steam
Time constants
t
0.632
Capillary Thermostat head with scale limit value
maximum +80 °C +80 °C
minimum
-40 °C -40 °C below +200°C
-20 °C -20 °C >
200 °C to < 350 °C
Code
only on types 2 and 20
nominal value possible actual value
S 1
S 2
S 3
3
6
1.5
3-4
6-8
1-2
TW, STW (STB) with hysteresis 3% and 6%
230 V, 10 (2) A AC, p.f. = 1 (0.6) 230 V, 0.25 A DC
TW, STW (STB) with hysteresis 1.5%
230 V, 6 (1.2) A AC, p.f. = 1 (0.6)
in water in oil in air / superheated steam
<
45 sec. < 60 sec. < 120 sec.