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1 Introduction
1.2
Application
A
1.3
Marking
H
H
1.4
Safety notes
H
Control range
with
end of scale
°C
≥ +200°C
< +200
≥ +200°C ≤ +350
6
Panel-mounting thermostats in the KM series are suitable for monitoring heat
generators, boilers, heat exchangers and pumps in HVAC engineering.
Cutting through or kinking the capillary of the KM series panel-mounting ther-
mostat will lead to permanent instrument failure!
Version to DIN 3440:
STB = protection temperature limiter
Panel-mounting thermostats in the KM series comply with VDE 0631.
Type examination to:
- DIN 3440
- Pressure Equipment Directive 97/23/EC
- DVGW Gas Appliances Directive 90/396/EEC
Filling liquid may escape in the event of a system fracture.
Physical and toxicological properties of the substances that may leak in the
event of a system fracture:
Danger-
Fire/explosion
ous
reactions
Ignition
temp.
°C
no
+355
no
+490
1
At present there is no restrictive statement from the health authorities
concerning any danger to health over short periods and at low
concentration, e.g. after a fracture of the measuring system.
Water
hazard
contami-
nation
Explosion
limit
% v/v
0.6 — 0.8
- -
Toxicological data
irritant danger to
health
yes
yes
yes
yes
toxic
no
1
1
no
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