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1 Introduction
1.2
Application
Surface-mounting thermostats ATH-SW series are approved as:
❏ Temperature monitor (TW)
❏ Safety temperature limiter (STB).
❏ Safety temperature monitor STW (STB)
❏ Type examination to:
- DIN 3440
- Pressure Equipment Directive 97/23/EC
A
Cutting through or kinking the capillary will result in permanent instrument
failure!
1.3
Marking
H
Surface-mounting twin thermostats ATH-SW series conform to VDE 0631.
1.4
Safety notes
Physical and toxicological properties of the media which may escape in the
event of a system fracture:
End of scale
Danger-
°C
reaction
≥ +200°C
< +200
≥ +200°C ≤ +350
≥ +400°C ≤ +500
H
1)
The filling liquid may escape in the event of a system fracture. At present
there is no restrictive statement from the health authorities concerning any
danger to health over short periods and at low concentrations, e.g. after a
fracture of the measuring system.
6
All manuals and user guides at all-guides.com
ATH.-SW-22)
Fire/explosion
ous
hazard
Ignition
Explosion
temp.
°C
liquid-filled
no
+280
1.2 — 7.5
no
+490
1.0 — 3.5
gas-filled
(all types, except ATH.-SW-2 and
Water
contami-
nation
irritant
limit
% v/v
yes
yes
yes
yes
no
Toxicologal data
danger
toxic
to
health
1)
no
1)
no
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