ARI Armaturen ARImetec-S EN - Manual (Page 31)

Rev. 0040807015 1014 Page 2-31
Operating Instructions
ARImetec
®
-S
7.1.2 Limit value curve
Evaluation of steam trap surface temperatures:
Fig. 6
Leaking !
Te
mperature in °C / st
ructure-borne sound level
p in bar(ü)
A measurement with headphones is recommended
at low steam pressures in order to obtain a clear
result.
Borderline
Steam trap OK acc. to
temperature measurement
Cold or blocked
Steam trap OK acc. to
ultrasonic measurement
Temp. measurement
Limit value curve
for ultrasound
Lower limit temperature
Surface t
min external
°C
Surface t
external
°C
Upper limit temperature for
thermostatic steam traps
Surface t
max external
°C
Limit value for ultrasound